DoctorsProofNPPES directory · verify at state boards

Doctors in Antioch, CA

270 physicians listed in the NPPES public registry. Page 1 of 5.

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 Medical Board of California

Dr. John Ganey, MD

Hematology & Oncology

21 yrs NPPES
NPI 1215935713
4721 DALLAS RANCH ROAD, Antioch, CA 94531(925) 778-0679
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. Bimal Patel, MD

Hematology & Oncology

21 yrs NPPES
NPI 1841298221
4721 DALLAS RANCH ROAD, Antioch, CA 94531(925) 778-0679
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,039 (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.

$1,039

Total received

38

Transactions

24

Paying companies

Top paying companies

Astellas Pharma US Inc$181.02
NOVARTIS PHARMACEUTICALS CORPORATION$129.97
Incyte Corporation$84.99
Pfizer Inc.$67.59
Gilead Sciences, Inc.$64.59
E.R. Squibb & Sons, L.L.C.$41.64

Among the 11,711 hematology & oncology doctors we've analyzed, about 62% received any industry payment (median $1,465 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 hematology & oncology doctors.

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

Dr. Muhammad Raees, MD

Pulmonary Disease

21 yrs NPPES
NPI 1205820420
3901 LONE TREE WAY, Antioch, CA 94509(925) 756-1192
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $694.15 (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.

$694.15

Total received

6

Transactions

3

Paying companies

Top paying companies

AstraZeneca Pharmaceuticals LP$243.97
Boehringer Ingelheim Pharmaceuticals, Inc.$225.35
GlaxoSmithKline, LLC.$224.83

Among the 13,317 pulmonary disease doctors we've analyzed, about 54% received any industry payment (median $474 among those who did). This doctor's total ranks around the 76th percentile of that group.

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

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

Dr. H Jaffin, MD

Orthopaedic Surgery

21 yrs NPPES
NPI 1770579625
3720 SUNSET LANE, SUITE A, Antioch, CA 94509(925) 706-7788
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. Amber Yee, MD

Family Medicine

21 yrs NPPES
NPI 1154306728
2213 BUCHANAN RD, SUITE 103, Antioch, CA 94509(925) 779-1331
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. Virginia Scialanca, MD

Internal Medicine

21 yrs NPPES
NPI 1790761419
3901 LONE TREE WAY, Antioch, CA 94509(925) 779-7200
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. James Kravetz, DO

Family Medicine

21 yrs NPPES
NPI 1861478901
2213 BUCHANAN RD STE 103, Antioch, CA 94509(925) 303-4780
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. John Copeland, MD

Family Medicine

20 yrs NPPES
NPI 1649259961
1111 A ST, Antioch, CA 94509(925) 778-9110
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. Dennis Zai, MD

Gastroenterology

20 yrs NPPES
NPI 1740253350
3903 LONE TREE WAY, SUITE 205, Antioch, CA 94509(925) 754-8710
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. Prathibha Venkataswamy, MD

Internal Medicine

20 yrs NPPES
NPI 1396714358
3901 LONE TREE WAY, Antioch, CA 94509(925) 756-1192
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. Suhji Kim, MD

Anatomic & Clinical Pathology

20 yrs NPPES
NPI 1093777682
3901 LONE TREE WAY, Antioch, CA 94509(925) 779-7211
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. Harry Huang, MD

Pediatrics

20 yrs NPPES
NPI 1073577979
3700 SUNSET LN, #6, Antioch, CA 94509(925) 755-8500
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. Sabri Sen, MD

Urology

20 yrs NPPES
NPI 1720043862
4053 LONE TREE WAY STE 200, Antioch, CA 94531(925) 776-7725
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. Young Kim, MD

Obstetrics & Gynecology

20 yrs NPPES
NPI 1649236522
3724 LONE TREE WAY, SUITE A, Antioch, CA 94509(925) 778-0700
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. Noel Chiu, MD

Dermatology

20 yrs NPPES
NPI 1861458259
3436 HILLCREST AVE, SUITE 150, Antioch, CA 94531(925) 754-6767
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. Ronald Leon, MD

Psychiatry

20 yrs NPPES
NPI 1467418830
3432 HILLCREST AVE, SUITE 175, Antioch, CA 94531(925) 778-1444
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $24,481 (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.

$24,481

Total received

155

Transactions

14

Paying companies

Top paying companies

Alkermes, Inc.$11,933
AbbVie Inc.$10,048
Teva Pharmaceuticals USA, Inc.$529.46
Neurocrine Biosciences, Inc.$510.74
Janssen Pharmaceuticals, Inc$311.80
Lundbeck LLC$246.42

Among the 57,336 psychiatry doctors we've analyzed, about 24% received any industry payment (median $180 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 psychiatry doctors.

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

Dr. Suraj Cherry, MD

Ophthalmology

20 yrs NPPES
NPI 1134178643
3505 LONE TREE WAY, SUITE 6, Antioch, CA 94509(925) 778-4555
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $256.75 (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.

$256.75

Total received

2

Transactions

2

Paying companies

Top paying companies

RxSight Inc$133.21
Alcon Vision LLC$123.54

Among the 23,451 ophthalmology doctors we've analyzed, about 60% received any industry payment (median $348 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 ophthalmology doctors.

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

Dr. Kausalya Bhaskarabhatla, MD

Internal Medicine

20 yrs NPPES
NPI 1003867607
4501 SAND CREEK RD, Antioch, CA 94531(925) 813-6500
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. Zenen Alpuerto, MD

Internal Medicine

20 yrs NPPES
NPI 1548215478
4758 BELFORD PEAK CT, Antioch, CA 94531(707) 423-7342
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. Arnold Weekes, MD

Anesthesiology

20 yrs NPPES
NPI 1023057833
4053 LONE TREE WAY STE 201, Antioch, CA 94531(925) 756-3400
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. Bailey Lee, MD

Diagnostic Radiology

20 yrs NPPES
NPI 1932141801
3901 LONE TREE WAY, Antioch, CA 94509(925) 296-7156
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. Michael Mann, MD

Anesthesiology

20 yrs NPPES
NPI 1922042811
3901 LONE TREE WAY, Antioch, CA 94509(925) 779-7274
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $20.22 (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.

$20.22

Total received

1

Transactions

1

Paying companies

Top paying companies

Merck Sharp & Dohme LLC$20.22

Among the 62,108 anesthesiology doctors we've analyzed, about 29% received any industry payment (median $64 among those who did). This doctor's total ranks around the 76th percentile of that group.

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

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

Dr. Sara Wasserbauer, MD

Internal Medicine

20 yrs NPPES
NPI 1174559074
3901 LONE TREE WAY, Antioch, CA 94509(925) 779-7273
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. Hamidreza Khonsari, MD

Family Medicine

20 yrs NPPES
NPI 1306874714
3903 LONE TREE WAY, SUITE 104, Antioch, CA 94509(925) 755-1255
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $32.56 (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.

$32.56

Total received

2

Transactions

2

Paying companies

Top paying companies

Smith+Nephew, Inc.$18.03
GlaxoSmithKline, LLC.$14.53

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total ranks around the 72th percentile of that group.

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

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

Dr. Anthony Carandang, MD

Internal Medicine

20 yrs NPPES
NPI 1134153380
3901 LONE TREE WAY, Antioch, CA 94509(925) 756-1192
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $246.39 (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.

$246.39

Total received

2

Transactions

2

Paying companies

Top paying companies

Boehringer Ingelheim Pharmaceuticals, Inc.$124.56
AstraZeneca Pharmaceuticals LP$121.83

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 83th percentile of that group.

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

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

Dr. Jonathan Chin, MD

Urology

20 yrs NPPES
NPI 1841216892
2350 COUNTRY HILLS DR STE A, Antioch, CA 94509(925) 779-9097
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $308.25 (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.

$308.25

Total received

16

Transactions

5

Paying companies

Top paying companies

AbbVie Inc.$148.51
Teleflex LLC$103.12
Palette Life Sciences, Inc.$24.22
Olympus America Inc.$16.29
Telix Pharmaceuticals$16.11

Among the 13,930 urology doctors we've analyzed, about 65% received any industry payment (median $618 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 urology doctors.

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

Dr. Purushotham Bhagavath, MD

Anesthesiology

20 yrs NPPES
NPI 1629094263
3901 LONE TREE WAY, Antioch, CA 94509(925) 779-7276
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. Kyla Yee, MD

Obstetrics & Gynecology

20 yrs NPPES
NPI 1154347615
4053 LONE TREE WAY, #101, Antioch, CA 94531(925) 756-3400
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. Randolph Clarke, MD

Family Medicine

20 yrs NPPES
NPI 1538187612
3436 HILLCREST 200, Antioch, CA 94509(925) 777-1481
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. Robert Cluff, MD

Neurology

20 yrs NPPES
NPI 1982623484
3737 LONE TREE WAY, Antioch, CA 94509(925) 754-1768
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $200.37 (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.

$200.37

Total received

5

Transactions

3

Paying companies

Top paying companies

Averitas Pharma Inc.$111.00
Boston Scientific Corporation$71.97
Collegium Pharmaceutical, Inc.$17.40

Among the 22,669 neurology doctors we've analyzed, about 51% received any industry payment (median $640 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 neurology doctors.

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

Dr. Patricio Chavez, MD

Emergency Medicine

20 yrs NPPES
NPI 1770502148
3901 LONE TREE WAY, Antioch, CA 94509(925) 779-7273
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. Franklin Buckner, MD

Pediatrics

20 yrs NPPES
NPI 1376562611
4816 PINEVIEW WAY, Antioch, CA 94531(650) 380-4862
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. James Edwards, MD

Family Medicine

20 yrs NPPES
NPI 1508885005
3725 LONETREE WAY C, Antioch, CA 94509(925) 753-1986
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $719.75 (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.

$719.75

Total received

33

Transactions

8

Paying companies

Top paying companies

GlaxoSmithKline, LLC.$286.07
Lilly USA, LLC$222.89
Bayer HealthCare Pharmaceuticals Inc.$48.87
AbbVie Inc.$46.88
Salix Pharmaceuticals, a division of Bausch Health US, LLC$42.15
Amgen Inc.$33.89

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total is higher than 93% of that group — among the highest recipients.

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

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

Dr. James Shieh, MD

Emergency Medicine

20 yrs NPPES
NPI 1639198930
3901 LONE TREE WAY, Antioch, CA 94509(925) 779-7273
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. Sumner Seibert, MD

Orthopaedic Surgery

20 yrs NPPES
NPI 1255350534
3903 LONE TREE WAY, SUITE 305, Antioch, CA 94509(925) 754-5254
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. Mary Fitzsimons, MD

Emergency Medicine

20 yrs NPPES
NPI 1053330431
3901 LONE TREE WAY, Antioch, CA 94509(925) 779-7273
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. Russell Rodriguez, MD

Emergency Medicine

20 yrs NPPES
NPI 1245259647
3901 LONE TREE WAY, Antioch, CA 94509(925) 779-7273
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $36.32 (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.

$36.32

Total received

2

Transactions

1

Paying companies

Top paying companies

Medical Device Business Services, Inc.$36.32

Among the 70,367 emergency medicine doctors we've analyzed, about 18% received any industry payment (median $60 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 emergency medicine doctors.

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

Dr. Thomas Schutz, MD

Emergency Medicine

20 yrs NPPES
NPI 1942229349
3901 LONE TREE WAY, Antioch, CA 94509(925) 779-7273
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. Thomas Sugarman, MD

Emergency Medicine

20 yrs NPPES
NPI 1609895903
3901 LONE TREE WAY, Antioch, CA 94509(925) 779-7273
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. Susan Woodmansee, MD

Emergency Medicine

20 yrs NPPES
NPI 1275552580
3901 LONE TREE WAY, Antioch, CA 94509(925) 779-7273
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 Karan, MD

Neurology

20 yrs NPPES
NPI 1720007545
3701 LONE TREE WAY, SUITE 5, Antioch, CA 94509(925) 753-1986
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $755.75 (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.

$755.75

Total received

4

Transactions

2

Paying companies

Top paying companies

LivaNova USA, Inc.$709.08
Neurocrine Biosciences, Inc.$46.67

Among the 22,669 neurology doctors we've analyzed, about 51% received any industry payment (median $640 among those who did). This doctor's total ranks around the 76th percentile of that group.

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

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

Dr. Donald Anderson, MD

Anesthesiology

20 yrs NPPES
NPI 1295755825
3901 LONE TREE WAY, Antioch, CA 94509(925) 754-1842
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. Dileep Kumar, MD

Internal Medicine

20 yrs NPPES
NPI 1649290206
3505 LONE TREE WAY, STE #2, Antioch, CA 94509(925) 757-5790
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. Toni Carlton, MD

Anesthesiology

20 yrs NPPES
NPI 1841210481
3901 LONE TREE WAY, Antioch, CA 94509(825) 779-7274
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. Khanh Nguyen, MD

Emergency Medicine

20 yrs NPPES
NPI 1033130711
3901 LONE TREE WAY, Antioch, CA 94509(510) 350-2657
NPPES public registry
CMS Open Payments· $228.48 (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.

$228.48

Total received

2

Transactions

2

Paying companies

Top paying companies

Novo Nordisk Inc$121.82
AbbVie Inc.$106.66

Among the 70,367 emergency medicine doctors we've analyzed, about 18% received any industry payment (median $60 among those who did). This doctor's total is higher than 97% of that group — among the highest recipients.

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

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

Dr. Nazish Ali, MD

Internal Medicine

20 yrs NPPES
NPI 1932121498
3901 LONE TREE WAY, Antioch, CA 94509(925) 756-1192
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $123.48 (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.

$123.48

Total received

7

Transactions

1

Paying companies

Top paying companies

AbbVie Inc.$123.48

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 78th percentile of that group.

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

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

Dr. Louis Enrique, MD

Internal Medicine

20 yrs NPPES
NPI 1356363642
3432 HILLCREST AVE # 150, Antioch, CA 94531(925) 754-6611
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. Christopher Solis, MD

Surgery

20 yrs NPPES
NPI 1295759355
4053 LONE TREE WAY STE 200, Antioch, CA 94531(925) 776-7725
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. William Quismorio, MD

General Practice

20 yrs NPPES
NPI 1326052572
3707 SUNSET LN, Antioch, CA 94509(925) 522-0124
NPPES public registry
CMS Open Payments· $90.70 (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.

$90.70

Total received

6

Transactions

1

Paying companies

Top paying companies

AbbVie Inc.$90.70

Among the 13,209 general practice doctors we've analyzed, about 25% received any industry payment (median $145 among those who did). This doctor's total ranks around the 84th percentile of that group.

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

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

Dr. Deborah Fernandes, MD

Pediatrics

20 yrs NPPES
NPI 1205843562
4501 SAND CREEK RD, Antioch, CA 94531(925) 813-6375
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. Gurunath Rajapuram, MD

Cardiovascular Disease

20 yrs NPPES
NPI 1144238510
3737 LONE TREE WAY, Antioch, CA 94509(925) 753-1986
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $54.73 (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.

$54.73

Total received

3

Transactions

3

Paying companies

Top paying companies

AtriCure, Inc.$23.28
Baxter Healthcare$15.80
Boston Scientific Corporation$15.65

Among the 26,323 cardiovascular disease doctors we've analyzed, about 66% received any industry payment (median $653 among those who did). This doctor's total is on the lower end — around the 42th percentile of that group.

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

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

Dr. Simon Chan, MD

Gastroenterology

20 yrs NPPES
NPI 1497762082
4501 SAND CREEK RD, DEPT. OF GASTROENTEROLOGY - 2ND FLOOR, Antioch, CA 94531(925) 813-3707
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. Michael Ditmars, MD

Surgery

20 yrs NPPES
NPI 1265440101
3903 LONE TREE WAY, SUITE 210, Antioch, CA 94509(925) 757-0800
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. Gigiyakuan Su, MD

Family Medicine

20 yrs NPPES
NPI 1780692830
2335 COUNTRY HILLS DR, Antioch, CA 94509(925) 608-8500
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. Anupam Mapara, MD

Internal Medicine

20 yrs NPPES
NPI 1760492748
3901 LONE TREE WAY, Antioch, CA 94509(925) 756-1192
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. Andrew Ness, MD

Family Medicine

20 yrs NPPES
NPI 1356352306
3807 LONE TREE WAY, Antioch, CA 94509(925) 753-1986
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. Irmeen Ashraf, MD

Pediatrics

20 yrs NPPES
NPI 1629081005
3901 LONE TREE WAY STE 211, Antioch, CA 94509(925) 756-1192
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. Margaret (Meg) Seaver, MD

Hematology & Oncology

20 yrs NPPES
NPI 1386753127
4721 DALLAS RANCH RD, Antioch, CA 94531(925) 778-0679
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $366.37 (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.

$366.37

Total received

15

Transactions

9

Paying companies

Top paying companies

Celgene Corporation$94.69
NOVARTIS PHARMACEUTICALS CORPORATION$76.50
E.R. Squibb & Sons, L.L.C.$42.15
Genzyme Corporation$32.81
Seagen Inc.$30.95
Pharmacyclics LLC, An AbbVie Company$28.64

Among the 11,711 hematology & oncology doctors we've analyzed, about 62% received any industry payment (median $1,465 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 hematology & oncology doctors.

Payments to Margaret (Meg) Seaver do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Linda Chu, MD

Pediatrics

20 yrs NPPES
NPI 1942311857
4501 SAND CREEK RD, PEDIATRICS, Antioch, CA 94531(925) 813-6487
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. Stacie Daniels, MD

Neurology

20 yrs NPPES
NPI 1295846822
4501 SAND CREEK RD, Antioch, CA 94531(925) 813-3840
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.

Doctors in Antioch, CA — NPPES Registry | DoctorsProof | DoctorsProof