DoctorsProofNPPES directory · verify at state boards

Gastroenterology in San Antonio, TX

100 verified gastroenterology doctors in San Antonio. Page 2 of 2.

Gastroenterologists specialize in the digestive system, treating conditions of the stomach, intestines, liver, and pancreas.

NPPES tenure ≠ clinical experience. "Years on NPPES" is time since the physician first registered a National Provider Identifier, not time practicing medicine. Verify current license status with the state medical board.

Verify a license at the Texas Medical Board

Dr. Antonio Serna, MD

Gastroenterology

19 yrs NPPES
NPI 1538208541
520 E EUCLID AVE, San Antonio, TX 78212(210) 271-0606
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $16,146 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$16,146

Total received

42

Transactions

11

Paying companies

Top paying companies

GastroGPO, LLC$15,415
AbbVie Inc.$341.41
Axonics, Inc.$152.59
Merck Sharp & Dohme LLC$52.97
Nestle HealthCare Nutrition Inc.$46.88
Salix Pharmaceuticals, a division of Bausch Health US, LLC$32.84

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 92% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Antonio Serna do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Lawrence Hoberman, MD

Gastroenterology

19 yrs NPPES
NPI 1982723946
13409 GEORGE RD, San Antonio, TX 78230(210) 492-8922
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Jan Prazak, MD

Gastroenterology

19 yrs NPPES
NPI 1649488222
621 CAMDEN STREET, SUITE 202, San Antonio, TX 78215(210) 253-3422
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $26,073 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$26,073

Total received

14

Transactions

8

Paying companies

Top paying companies

GastroGPO, LLC$25,816
Nestle HealthCare Nutrition Inc.$64.63
Salix Pharmaceuticals, a division of Bausch Health US, LLC$53.70
Janssen Biotech, Inc.$39.19
Boston Scientific Corporation$36.76
Pfizer Inc.$29.52

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 94% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Jan Prazak do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Elizabeth Coss, MD

Gastroenterology

19 yrs NPPES
NPI 1013112127
8300 FLOYD CURL DR FL 4, San Antonio, TX 78229(210) 450-9880
NPPES public registry
CMS Open Payments· $14.50 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$14.50

Total received

1

Transactions

1

Paying companies

Top paying companies

Boston Scientific Corporation$14.50

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is on the lower end — around the 38th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Elizabeth Coss do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Randy Wright, MD

Gastroenterology

19 yrs NPPES
NPI 1205032554
527 N LEONA ST, San Antonio, TX 78207(210) 358-9887
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $318.60 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$318.60

Total received

6

Transactions

2

Paying companies

Top paying companies

Medtronic, Inc.$159.43
Janssen Biotech, Inc.$159.17

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 60th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Randy Wright do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Yasmin Alishahi, MD

Gastroenterology

19 yrs NPPES
NPI 1306046388
8300 FLOYD CURL DR, 4TH FLOOR -4A, San Antonio, TX 78229(210) 450-9880
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Muhammad Ali, MD

Gastroenterology

19 yrs NPPES
NPI 1427248608
11212 STATE HIGHWAY 151 STE 250, MEDICAL PLAZA 1, San Antonio, TX 78251(210) 614-1234
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $40,634 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$40,634

Total received

74

Transactions

14

Paying companies

Top paying companies

GastroGPO, LLC$39,182
AbbVie Inc.$692.71
Salix Pharmaceuticals, a division of Bausch Health US, LLC$200.93
Ardelyx, Inc.$142.38
Genzyme Corporation$80.58
QOL Medical, LLC$66.21

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 96% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Muhammad Ali do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Hari Sayana, MD

Gastroenterology

19 yrs NPPES
NPI 1245422419
4502 MEDICAL DR, San Antonio, TX 78229(210) 450-9000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $162.88 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$162.88

Total received

4

Transactions

3

Paying companies

Top paying companies

Olympus America Inc.$72.80
Stryker Corporation$49.36
Boston Scientific Corporation$40.72

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 53th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Hari Sayana do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Carmen Landaverde, MD

Gastroenterology

19 yrs NPPES
NPI 1902093263
607 CAMDEN ST STE 108, San Antonio, TX 78215(210) 253-3426
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $155,626 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$155,626

Total received

47

Transactions

12

Paying companies

Top paying companies

Boehringer Ingelheim Pharmaceuticals, Inc.$136,196
INTERCEPT PHARMACEUTICALS, INC.$14,946
Boehringer Ingelheim RCV GmbH & Co KG$3,436
Boston Scientific Corporation$395.75
Ipsen Biopharmaceuticals, Inc$165.69
AstraZeneca Pharmaceuticals LP$145.96

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 98% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Carmen Landaverde do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Desh Sharma, MD

Gastroenterology

19 yrs NPPES
NPI 1457549032
3208 NAPIER PARK STE 1, San Antonio, TX 78231(210) 405-3410
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $604.45 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$604.45

Total received

34

Transactions

6

Paying companies

Top paying companies

AbbVie Inc.$234.50
Celgene Corporation$131.99
AstraZeneca Pharmaceuticals LP$124.99
Boston Scientific Corporation$54.44
Ferring Pharmaceuticals Inc.$43.35
Exact Sciences Corporation$15.18

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 68th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Desh Sharma do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Chaithanya Mallikarjun, MD

Gastroenterology

19 yrs NPPES
NPI 1114101904
19284 STONE OAK PKWY, 104, San Antonio, TX 78258(210) 268-0124
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $515.53 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$515.53

Total received

23

Transactions

8

Paying companies

Top paying companies

AbbVie Inc.$251.52
Ferring Pharmaceuticals Inc.$74.28
Celgene Corporation$61.77
Merck Sharp & Dohme LLC$42.38
QOL Medical, LLC$31.42
Janssen Biotech, Inc.$19.48

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 66th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Chaithanya Mallikarjun do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Jorge Cavazos, MD

Gastroenterology

18 yrs NPPES
NPI 1184801359
5223 HAMILTON WOLFE RD, San Antonio, TX 78229(210) 614-1234
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $39,947 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$39,947

Total received

50

Transactions

9

Paying companies

Top paying companies

GastroGPO, LLC$39,183
AbbVie Inc.$517.83
Genzyme Corporation$74.56
Salix Pharmaceuticals, a division of Bausch Health US, LLC$60.24
Celgene Corporation$37.62
Takeda Pharmaceuticals U.S.A., Inc.$19.96

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 96% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Jorge Cavazos do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Paresh Mehta, MD

Gastroenterology

18 yrs NPPES
NPI 1144494451
855 PROTON RD, San Antonio, TX 78258(210) 614-1234
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $39,651 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$39,651

Total received

27

Transactions

8

Paying companies

Top paying companies

GastroGPO, LLC$39,182
AbbVie Inc.$296.09
Celgene Corporation$66.51
Nestle HealthCare Nutrition Inc.$39.60
Ironwood Pharmaceuticals, Inc$22.57
Gilead Sciences, Inc.$18.64

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 96% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Paresh Mehta do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Bijo John, MD

Gastroenterology

18 yrs NPPES
NPI 1922260017
621 CAMDEN ST STE 202, San Antonio, TX 78215(210) 253-3422
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $27,190 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$27,190

Total received

68

Transactions

15

Paying companies

Top paying companies

GastroGPO, LLC$25,816
AbbVie Inc.$438.40
Ardelyx, Inc.$178.07
INTERCEPT PHARMACEUTICALS, INC.$130.55
Axonics, Inc.$116.20
Celgene Corporation$91.03

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 95% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Bijo John do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Juan Echavarria, MD

Gastroenterology

18 yrs NPPES
NPI 1669629242
903 W MARTIN ST, San Antonio, TX 78207(210) 358-9887
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $117,980 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$117,980

Total received

23

Transactions

2

Paying companies

Top paying companies

Janssen Research & Development, LLC$117,886
ERBE USA Inc$94.13

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 98% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Juan Echavarria do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Zarema Singson, MD

Gastroenterology

18 yrs NPPES
NPI 1003068008
5223 HAMILTON WOLFE RD, San Antonio, TX 78229(210) 614-1234
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $39,711 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$39,711

Total received

38

Transactions

8

Paying companies

Top paying companies

GastroGPO, LLC$39,182
AbbVie Inc.$397.83
Pfizer Inc.$32.12
Janssen Biotech, Inc.$24.83
Takeda Pharmaceuticals U.S.A., Inc.$23.14
Phathom Pharmaceuticals, Inc.$19.46

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 96% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Zarema Singson do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Nancy Matteer, MD

Gastroenterology

18 yrs NPPES
NPI 1568615136
4502 MEDICAL DR, San Antonio, TX 78229(210) 358-4000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $44.63 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$44.63

Total received

2

Transactions

2

Paying companies

Top paying companies

Janssen Biotech, Inc.$25.41
CONMED Corporation$19.22

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is on the lower end — around the 43th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Nancy Matteer do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Sajneet Khangura, MD

Gastroenterology

17 yrs NPPES
NPI 1043445588
11212 STATE HIGHWAY 151, MEDICAL PLAZA 1, STE 250, San Antonio, TX 78251(210) 614-1234
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $40,593 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$40,593

Total received

67

Transactions

16

Paying companies

Top paying companies

GastroGPO, LLC$39,182
AbbVie Inc.$584.99
Salix Pharmaceuticals, a division of Bausch Health US, LLC$195.57
QOL Medical, LLC$94.10
Janssen Biotech, Inc.$88.36
Celgene Corporation$77.64

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 96% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Sajneet Khangura do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Damodar Pandey, MD

Gastroenterology

17 yrs NPPES
NPI 1558593293
520 E EUCLID AVE, San Antonio, TX 78212(210) 271-0606
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $278.19 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$278.19

Total received

16

Transactions

6

Paying companies

Top paying companies

AbbVie Inc.$131.50
Ardelyx, Inc.$45.78
Takeda Pharmaceuticals U.S.A., Inc.$42.28
Salix Pharmaceuticals, a division of Bausch Health US, LLC$23.42
Fresenius Kabi USA, LLC$18.78
Janssen Biotech, Inc.$16.43

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 58th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Damodar Pandey do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Nicholas Martinez, MD

Gastroenterology

16 yrs NPPES
NPI 1174843726
8550 DATAPOINT DR, SUITE 200, San Antonio, TX 78229(210) 615-8308
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $251,444 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$251,444

Total received

67

Transactions

15

Paying companies

Top paying companies

Eli Lilly and Company$224,987
E.R. Squibb & Sons, L.L.C.$16,217
Teva Pharmaceuticals USA, Inc.$9,275
AbbVie Inc.$496.74
Janssen Biotech, Inc.$127.15
Salix Pharmaceuticals, a division of Bausch Health US, LLC$92.64

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 99% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Nicholas Martinez do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Meher Sindhoora Mavuram, MD

Gastroenterology

15 yrs NPPES
NPI 1942581913
621 CAMDEN ST STE 202, San Antonio, TX 78215(210) 253-3422
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. John Alvarez, MD

Gastroenterology

14 yrs NPPES
NPI 1255692083
520 E EUCLID AVE, San Antonio, TX 78212(210) 271-0606
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $14,962 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$14,962

Total received

99

Transactions

18

Paying companies

Top paying companies

GastroGPO, LLC$13,103
AbbVie Inc.$732.19
Boston Scientific Corporation$253.99
Janssen Biotech, Inc.$227.31
Celgene Corporation$205.78
Olympus America Inc.$125.04

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 92% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to John Alvarez do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Eugenia Tsai, MD

Gastroenterology

14 yrs NPPES
NPI 1598028870
607 CAMDEN ST STE 108, San Antonio, TX 78215(210) 253-3426
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $449.37 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$449.37

Total received

15

Transactions

5

Paying companies

Top paying companies

Mallinckrodt Hospital Products Inc.$190.91
Salix Pharmaceuticals, a division of Bausch Health US, LLC$140.91
Gilead Sciences, Inc.$85.48
ORPHALAN INC$17.50
INTERCEPT PHARMACEUTICALS, INC.$14.57

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 64th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Eugenia Tsai do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Jadesola Omoyeni, MD

Gastroenterology

14 yrs NPPES
NPI 1043567423
1804 NE LOOP 410 STE 101, San Antonio, TX 78217(210) 614-1234
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $5,096 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$5,096

Total received

97

Transactions

19

Paying companies

Top paying companies

GastroGPO, LLC$3,286
AbbVie Inc.$598.80
Salix Pharmaceuticals, a division of Bausch Health US, LLC$299.17
Celgene Corporation$178.46
Pfizer Inc.$162.62
QOL Medical, LLC$130.90

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 89th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Jadesola Omoyeni do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Souleymane Diallo, DO

Gastroenterology

13 yrs NPPES
NPI 1831534072
4502 MEDICAL DR, San Antonio, TX 78229(210) 358-4000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Gregg Wendorf, MD

Gastroenterology

13 yrs NPPES
NPI 1952747248
5223 HAMILTON WOLFE RD, San Antonio, TX 78229(210) 614-1234
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $12,382 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$12,382

Total received

53

Transactions

10

Paying companies

Top paying companies

GastroGPO, LLC$6,571
Evoke Pharma, Inc.$5,059
AbbVie Inc.$415.25
Takeda Pharmaceuticals U.S.A., Inc.$86.84
Salix Pharmaceuticals, a division of Bausch Health US, LLC$71.98
Celgene Corporation$69.77

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 91% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Gregg Wendorf do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Balaji Ayyar, MD

Gastroenterology

13 yrs NPPES
NPI 1437595204
855 PROTON RD, San Antonio, TX 78258(210) 614-1234
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $508.56 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$508.56

Total received

27

Transactions

6

Paying companies

Top paying companies

AbbVie Inc.$327.19
Celgene Corporation$86.04
Janssen Biotech, Inc.$36.26
Salix Pharmaceuticals, a division of Bausch Health US, LLC$33.12
Gilead Sciences, Inc.$17.79
Endogastric Solutions, Inc$8.16

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 65th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Balaji Ayyar do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Chirag Patel, MD

Gastroenterology

13 yrs NPPES
NPI 1063858868
5223 HAMILTON WOLFE RD, San Antonio, TX 78229(210) 614-1234
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $40,846 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$40,846

Total received

89

Transactions

13

Paying companies

Top paying companies

GastroGPO, LLC$39,182
AbbVie Inc.$735.30
Salix Pharmaceuticals, a division of Bausch Health US, LLC$315.13
ABIOMED$148.17
Takeda Pharmaceuticals U.S.A., Inc.$110.99
Nestle HealthCare Nutrition Inc.$81.55

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 96% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Chirag Patel do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Heather Franz, MD

Gastroenterology

12 yrs NPPES
NPI 1205242278
520 E EUCLID AVE, San Antonio, TX 78212(210) 271-0606
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $662.66 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$662.66

Total received

32

Transactions

8

Paying companies

Top paying companies

AbbVie Inc.$414.75
QOL Medical, LLC$83.15
Nestle HealthCare Nutrition Inc.$54.10
RedHill Biopharma Inc.$29.69
Janssen Biotech, Inc.$24.60
Ferring Pharmaceuticals Inc.$24.59

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 69th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Heather Franz do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Harsh Patel, MD

Gastroenterology

11 yrs NPPES
NPI 1598159733
4502 MEDICAL DR, San Antonio, TX 78229(210) 358-4000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $7,876 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$7,876

Total received

84

Transactions

14

Paying companies

Top paying companies

GastroGPO, LLC$6,571
AbbVie Inc.$589.41
Celgene Corporation$196.69
Takeda Pharmaceuticals U.S.A., Inc.$114.27
Nestle HealthCare Nutrition Inc.$80.84
Salix Pharmaceuticals, a division of Bausch Health US, LLC$75.64

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 90% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Harsh Patel do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Sarah Marucci, MD

Gastroenterology

11 yrs NPPES
NPI 1790163780
8300 FLOYD CURL DR, San Antonio, TX 78229(210) 450-9000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $33.63 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$33.63

Total received

2

Transactions

2

Paying companies

Top paying companies

Boston Scientific Corporation$17.99
Janssen Biotech, Inc.$15.64

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is on the lower end — around the 41th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Sarah Marucci do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Brenda Briones, MD

Gastroenterology

10 yrs NPPES
NPI 1245693803
4502 MEDICAL DR, San Antonio, TX 78229(210) 358-4000
NPPES public registry
CMS Open Payments· $14.94 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$14.94

Total received

1

Transactions

1

Paying companies

Top paying companies

Janssen Biotech, Inc.$14.94

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is on the lower end — around the 38th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Brenda Briones do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Farah Ladak, MD

Gastroenterology

10 yrs NPPES
NPI 1558724948
903 W MARTIN ST, San Antonio, TX 78207(210) 358-3344
NPPES public registry
CMS Open Payments· $507.00 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$507.00

Total received

5

Transactions

4

Paying companies

Top paying companies

Janssen Scientific Affairs, LLC$158.56
Regeneron Healthcare Solutions, Inc.$124.99
Gilead Sciences, Inc.$122.13
Mallinckrodt Hospital Products Inc.$101.32

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 65th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Farah Ladak do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Allison Sirakos, MD

Gastroenterology

10 yrs NPPES
NPI 1871940650
8550 DATAPOINT DR STE 200, San Antonio, TX 78229(210) 615-8308
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,681 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$1,681

Total received

74

Transactions

17

Paying companies

Top paying companies

AbbVie Inc.$393.92
Pfizer Inc.$194.21
Salix Pharmaceuticals, a division of Bausch Health US, LLC$178.96
Regeneron Healthcare Solutions, Inc.$161.79
E.R. Squibb & Sons, L.L.C.$121.86
Janssen Biotech, Inc.$116.36

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 82th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Allison Sirakos do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Paul Kaimakliotis, MD

Gastroenterology

9 yrs NPPES
NPI 1558892588
4502 MEDICAL DR, San Antonio, TX 78229(210) 358-4000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Karolina Dziadkowiec, MD

Gastroenterology

8 yrs NPPES
NPI 1194229716
903 W MARTIN ST # MS 49-2, San Antonio, TX 78207(201) 358-9887
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $977.90 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$977.90

Total received

11

Transactions

8

Paying companies

Top paying companies

AbbVie Inc.$360.22
Medtronic, Inc.$154.66
Regeneron Healthcare Solutions, Inc.$124.99
Gilead Sciences, Inc.$122.13
AstraZeneca Pharmaceuticals LP$111.82
Mallinckrodt Hospital Products Inc.$68.86

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 75th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Karolina Dziadkowiec do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Elissa Lin, MD

Gastroenterology

8 yrs NPPES
NPI 1245737436
18707 HARDY OAK BLVD, San Antonio, TX 78258(210) 614-1234
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $124.95 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$124.95

Total received

1

Transactions

1

Paying companies

Top paying companies

E.R. Squibb & Sons, L.L.C.$124.95

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 50th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Elissa Lin do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Jaya Vasudevan, MD

Gastroenterology

8 yrs NPPES
NPI 1598259186
8435 WURZBACH RD, San Antonio, TX 78229(210) 450-9800
NPPES public registry
CMS Open Payments· $96.32 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$96.32

Total received

2

Transactions

2

Paying companies

Top paying companies

ERBE USA Inc$80.77
Olympus America Inc.$15.55

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is on the lower end — around the 47th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Jaya Vasudevan do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Jessica Chavez, MD

Gastroenterology

6 yrs NPPES
NPI 1104459817
3551 ROGER BROOKE DRIVE, INTERNAL MEDICINE RESIDENCY, JBSA-FORT SAM HOUSTON, San Antonio, TX 78234(210) 292-7805
NPPES public registry
CMS Open Payments· $170.96 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$170.96

Total received

2

Transactions

2

Paying companies

Top paying companies

Cook Medical LLC$90.19
ERBE USA Inc$80.77

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 53th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Jessica Chavez do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Abdurrahman Kadayifci, MD

Gastroenterology

1 yrs NPPES
NPI 1639979206
4502 MEDICAL DR, San Antonio, TX 78229(210) 567-5777
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

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