DoctorsProofNPPES directory · verify at state boards

Doctors in Concord, CA

214 physicians listed in the NPPES public registry. Page 1 of 4.

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. Gary Gershony, MD

Infectious Disease

21 yrs NPPES
NPI 1821095134
2540 EAST ST, Concord, CA 94520(925) 408-7252
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $650.63 (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.

$650.63

Total received

5

Transactions

1

Paying companies

Top paying companies

Abbott Laboratories$650.63

Among the 3,681 infectious disease doctors we've analyzed, about 83% received any industry payment (median $1,189 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 infectious disease doctors.

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

Dr. Stephen Taylor, MD

Urology

21 yrs NPPES
NPI 1356349831
2222 EAST ST, STE 250, Concord, CA 94520(925) 689-6211
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. Jeremy Lieb, MD

Urology

21 yrs NPPES
NPI 1093713190
2222 EAST ST, STE 250, Concord, CA 94520(925) 689-6211
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,004 (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.

$1,004

Total received

36

Transactions

19

Paying companies

Top paying companies

Myriad Genetic Laboratories, Inc.$155.51
Laborie Medical Technologies Corp.$137.17
Merck Sharp & Dohme LLC$125.49
AbbVie Inc.$94.58
Agiliti Surgical, Inc.$91.17
Janssen Biotech, Inc.$64.20

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 76th percentile of that group.

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

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

Dr. Judson Brandeis, MD

Urology

21 yrs NPPES
NPI 1831197920
2222 EAST ST, STE 240, Concord, CA 94520(925) 689-6211
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. Donald Hay, MD

Urology

21 yrs NPPES
NPI 1740288836
2222 EAST ST, STE 250, Concord, CA 94520(925) 689-6211
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. Ileana Helms, MD

Nephrology

21 yrs NPPES
NPI 1225039142
2485 HIGH SCHOOL AVE, SUITE 311, Concord, CA 94520(925) 687-7272
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $17.82 (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.

$17.82

Total received

1

Transactions

1

Paying companies

Top paying companies

Mallinckrodt Hospital Products Inc.$17.82

Among the 10,935 nephrology doctors we've analyzed, about 59% received any industry payment (median $286 among those who did). This doctor's total is on the lower end — around the 45th percentile of that group.

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

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

Dr. Leena Ray, MD

Nephrology

21 yrs NPPES
NPI 1679574693
2222 EAST STREET, STE 305, Concord, CA 94520(925) 686-1230
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. Charlotte Nagel, MD

Ophthalmology

21 yrs NPPES
NPI 1457344335
1955 MONUMENT BLVD, #A, Concord, CA 94520(925) 689-1800
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. Wilbert Charles, MD

Family Medicine

21 yrs NPPES
NPI 1861487589
2415 HIGH SCHOOL AVE STE 700, Concord, CA 94520(415) 848-9111
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. Ayman Hosny, MD

Cardiovascular Disease

21 yrs NPPES
NPI 1265414155
2700 GRANT ST, STE 101, Concord, CA 94520(925) 685-7598
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $203.72 (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.

$203.72

Total received

10

Transactions

7

Paying companies

Top paying companies

NOVARTIS PHARMACEUTICALS CORPORATION$39.10
Janssen Pharmaceuticals, Inc$39.06
Amgen Inc.$38.42
Daiichi Sankyo Inc.$27.37
Abbott Laboratories$24.50
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)$17.85

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 ranks around the 53th percentile of that group.

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

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

Dr. Howard Min, MD

Cardiovascular Disease

21 yrs NPPES
NPI 1972585859
2485 HIGH SCHOOL AVE, SUITE 100, Concord, CA 94520(925) 671-0610
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $4,744 (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.

$4,744

Total received

65

Transactions

17

Paying companies

Top paying companies

Abbott Laboratories$3,448
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)$258.69
Janssen Pharmaceuticals, Inc$175.99
NOVARTIS PHARMACEUTICALS CORPORATION$161.51
Esperion Therapeutics, Inc.$124.58
Novo Nordisk Inc$115.80

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 ranks around the 88th percentile of that group.

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

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

Dr. Lesley Martin, MD

Hematology & Oncology

21 yrs NPPES
NPI 1114900834
2571 PARK AVE, Concord, CA 94520(925) 674-2100
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,176 (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.

$1,176

Total received

52

Transactions

25

Paying companies

Top paying companies

Celgene Corporation$168.16
Merck Sharp & Dohme LLC$143.07
GlaxoSmithKline, LLC.$104.64
Genentech USA, Inc.$75.00
NOVARTIS PHARMACEUTICALS CORPORATION$71.68
AstraZeneca Pharmaceuticals LP$60.92

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 67th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US hematology & oncology doctors.

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

Dr. Diane Chandler, DO

Family Medicine

21 yrs NPPES
NPI 1760466312
5161 CLAYTON RD, #F, Concord, CA 94521(925) 609-8282
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $41.43 (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.

$41.43

Total received

1

Transactions

1

Paying companies

Top paying companies

Avanos Medical$41.43

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 74th percentile of that group.

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

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

Dr. Samir Mahmoud, MD

Internal Medicine

21 yrs NPPES
NPI 1245214931
1212 OAK KNOLL DR, Concord, CA 94521(925) 708-1102
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. Nadine Kindy-Baillot, MD

Ophthalmology

21 yrs NPPES
NPI 1689650772
2222 EAST STREET, SUITE 365, Concord, CA 94520(925) 687-8280
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. Karen Graham, MD

Ophthalmology

21 yrs NPPES
NPI 1124004213
2222 EAST ST, STE 365, Concord, CA 94520(925) 687-8280
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $198.77 (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.

$198.77

Total received

8

Transactions

4

Paying companies

Top paying companies

Oyster Point Pharma, Inc.$76.65
Mallinckrodt Hospital Products Inc.$58.23
Thea Pharma Inc.$39.73
Alcon Vision LLC$24.16

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 61th percentile of that group.

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

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

Dr. Kari Grabowsky, MD

Internal Medicine

20 yrs NPPES
NPI 1578530218
2700 GRANT ST STE 200, Concord, CA 94520(925) 947-3393
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. Agustin Argenal, MD

Infectious Disease

20 yrs NPPES
NPI 1629045372
2485 HIGH SCHOOL AVE, STE 100, Concord, CA 94520(925) 671-0610
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. Paul Mcwhirter, MD

Infectious Disease

20 yrs NPPES
NPI 1609843366
2485 HIGH SCHOOL AVE, STE 100, Concord, CA 94520(925) 671-0610
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $4,248 (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.

$4,248

Total received

11

Transactions

5

Paying companies

Top paying companies

CVRx, Inc.$4,101
Boston Scientific Corporation$59.19
Impulse Dynamics (USA) Inc.$34.59
ABIOMED$28.25
ShockWave Medical, Inc$25.02

Among the 3,681 infectious disease doctors we've analyzed, about 83% received any industry payment (median $1,189 among those who did). This doctor's total ranks around the 81th percentile of that group.

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

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

Dr. Eric Mariotti, MD

Cardiothoracic Surgery

20 yrs NPPES
NPI 1053389205
2222 EAST ST, #310, Concord, CA 94520(925) 685-4533
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $731.04 (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.

$731.04

Total received

20

Transactions

4

Paying companies

Top paying companies

AbbVie Inc.$515.21
Nevro Corp.$138.95
Mentor Worldwide LLC$43.74
Galderma Laboratories, L.P.$33.14

Among the 2,660 cardiothoracic surgery doctors we've analyzed, about 66% received any industry payment (median $331 among those who did). This doctor's total ranks around the 80th percentile of that group.

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

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

Dr. Amit Rajguru, MD

Internal Medicine

20 yrs NPPES
NPI 1225007149
2700 GRANT ST, #200, Concord, CA 94520(925) 674-2609
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. Huaming Chou, MD

Internal Medicine

20 yrs NPPES
NPI 1902868672
1050 SAN MIGUEL RD, Concord, CA 94518(707) 334-7264
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. Charles Renner, MD

Family Medicine

20 yrs NPPES
NPI 1669439733
5161 CLAYTON ROAD, SUITE C, Concord, CA 94521(925) 687-2200
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $11.61 (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.

$11.61

Total received

1

Transactions

1

Paying companies

Top paying companies

Watermark Medical, Inc.$11.61

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 65th percentile of that group.

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

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

Dr. Rajeev Kaul, MD

Nephrology

20 yrs NPPES
NPI 1336198183
2485 HIGH SCHOOL AVE STE 311, Concord, CA 94520(925) 687-7272
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. Johnson Adeyanju, MD

Internal Medicine

20 yrs NPPES
NPI 1467403147
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 677-0500
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $309.63 (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.

$309.63

Total received

3

Transactions

3

Paying companies

Top paying companies

E.R. Squibb & Sons, L.L.C.$122.68
GlaxoSmithKline, LLC.$121.83
Gilead Sciences, Inc.$65.12

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 85th percentile of that group.

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

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

Dr. Susan Adler-Bressler, MD

Family Medicine

20 yrs NPPES
NPI 1588615207
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 677-0500
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. Resham Chahal, MD

Ophthalmology

20 yrs NPPES
NPI 1023061959
2338 ALMOND AVE, Concord, CA 94520(925) 685-1130
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. Teresa Brock, MD

Family Medicine

20 yrs NPPES
NPI 1619920444
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 677-0500
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. David Bressler, MD

Internal Medicine

20 yrs NPPES
NPI 1962456210
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 677-0500
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. Alex Aslan, MD

Gastroenterology

20 yrs NPPES
NPI 1538115571
2222 EAST ST STE 300, Concord, CA 94520(925) 682-7730
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $295.31 (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.

$295.31

Total received

9

Transactions

4

Paying companies

Top paying companies

Nevro Corp.$138.96
AbbVie Inc.$94.94
Merck Sharp & Dohme LLC$48.28
Celgene Corporation$13.13

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 ranks around the 59th percentile of that group.

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

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

Dr. Robert Davidson, MD

Internal Medicine

20 yrs NPPES
NPI 1659311108
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 677-0500
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 Lewis, MD

Internal Medicine

20 yrs NPPES
NPI 1700826740
2001 DIAMOND BLVD STE C-100, Concord, CA 94520(888) 663-6331
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. Anna Chang, MD

Internal Medicine

20 yrs NPPES
NPI 1568402931
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 687-8860
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,003,965 (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.

$1,003,965

Total received

625

Transactions

10

Paying companies

Top paying companies

Senseonics, Incorporated$416,533
Eli Lilly and Company$406,226
Novo Nordisk AS$125,161
NOVARTIS PHARMACEUTICALS CORPORATION$55,622
Merck Sharp & Dohme LLC$171.24
Novo Nordisk Inc$151.18

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 is higher than 100% of that group — among the highest recipients.

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

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

Dr. Virgil Williams, MD

Diagnostic Radiology

20 yrs NPPES
NPI 1912941469
1401 WILLOW PASS RD, STE 110, Concord, CA 94520(925) 691-6432
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 Greely, MD

Family Medicine

20 yrs NPPES
NPI 1851336820
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 677-0500
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. Roy Kaplan, MD

Internal Medicine

20 yrs NPPES
NPI 1558307728
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 952-2888
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. Chinnavuth De Monteiro, MD

Internal Medicine

20 yrs NPPES
NPI 1558392449
2415 HIGH SCHOOL AVE, SUITE 800, Concord, CA 94520(925) 687-5210
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $3,282 (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.

$3,282

Total received

132

Transactions

23

Paying companies

Top paying companies

Lilly USA, LLC$438.55
GlaxoSmithKline, LLC.$416.11
Pfizer Inc.$259.31
Novo Nordisk Inc$238.46
AbbVie Inc.$235.33
AstraZeneca Pharmaceuticals LP$216.48

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 is higher than 96% of that group — among the highest recipients.

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

Payments to Chinnavuth De Monteiro do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Lynda Frassetto, MD

Internal Medicine

20 yrs NPPES
NPI 1588695472
2485 HIGH SCHOOL AVE STE 311, Concord, CA 94520(925) 687-7272
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 Rostkowski, MD

Psychiatry

20 yrs NPPES
NPI 1861424665
1420 WILLOW PASS RD # 200, Concord, CA 94520(925) 899-3883
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $367.23 (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.

$367.23

Total received

3

Transactions

3

Paying companies

Top paying companies

ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.)$132.24
Axsome Therapeutics, Inc.$121.46
Alkermes, Inc.$113.53

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 91% of that group — among the highest recipients.

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

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

Dr. Bernard Wolf, MD

Family Medicine

20 yrs NPPES
NPI 1366474181
2415 HIGH SCHOOL AVE STE 300, Concord, CA 94520(925) 685-8894
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. Johanna Meyer-Mitchell, MD

Family Medicine

20 yrs NPPES
NPI 1770515363
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 677-0500
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. Melanie Lee, MD

Internal Medicine

20 yrs NPPES
NPI 1306878616
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 677-0500
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $109.63 (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.

$109.63

Total received

1

Transactions

1

Paying companies

Top paying companies

Amgen Inc.$109.63

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 76th percentile of that group.

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

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

Dr. Robert Clark, DO

Physical Medicine & Rehabilitation

20 yrs NPPES
NPI 1184656142
3243 CLAYTON RD, Concord, CA 94519(925) 969-7530
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. Olawunmi Beckley, MD

Family Medicine

20 yrs NPPES
NPI 1497789499
2700 GRANT ST, SUITE 110, Concord, CA 94520(925) 674-2500
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. Tanya Threewitt, MD

Family Medicine

20 yrs NPPES
NPI 1699708610
5161 CLAYTON RD, SUITE F, Concord, CA 94521(925) 609-8282
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $27.78 (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.

$27.78

Total received

1

Transactions

1

Paying companies

Top paying companies

Avanos Medical$27.78

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 Tanya Threewitt do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Catherine Owen, MD

Family Medicine

20 yrs NPPES
NPI 1689608721
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 677-0500
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. Benjamin Sadoff, MD

Family Medicine

20 yrs NPPES
NPI 1720003163
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 677-0500
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. Susanne Duesberg, MD

Family Medicine

20 yrs NPPES
NPI 1770509838
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 674-2609
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. Arseen Soliman, MD

Internal Medicine

20 yrs NPPES
NPI 1023034030
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 677-0500
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. Sarah Woon, MD

Nephrology

20 yrs NPPES
NPI 1629094560
2485 HIGH SCHOOL AVE STE 311, Concord, CA 94520(925) 687-7272
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 Varon, MD

Family Medicine

20 yrs NPPES
NPI 1386662641
5161 CLAYTON RD, SUITE F, Concord, CA 94521(925) 609-8282
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $288.03 (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.

$288.03

Total received

13

Transactions

8

Paying companies

Top paying companies

Novo Nordisk Inc$88.67
Lilly USA, LLC$59.01
Abbott Laboratories$27.68
Exact Sciences Corporation$27.33
Linus Health, Inc.$26.48
GlaxoSmithKline, LLC.$25.82

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 87th percentile of that group.

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

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

Dr. Stephen Lewis, MD

Internal Medicine

20 yrs NPPES
NPI 1366460594
2425 EAST ST, #15, Concord, CA 94520(925) 682-9232
NPPES public registry
CMS Open Payments· $15.08 (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.

$15.08

Total received

1

Transactions

1

Paying companies

Top paying companies

Novo Nordisk Inc$15.08

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 64th percentile of that group.

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

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

Dr. John Chartier, MD

Family Medicine

20 yrs NPPES
NPI 1659390649
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 674-2609
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. Abraham Chung, MD

Internal Medicine

20 yrs NPPES
NPI 1104845858
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 674-2609
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $116.25 (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.

$116.25

Total received

1

Transactions

1

Paying companies

Top paying companies

Chiesi USA, Inc.$116.25

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 77th percentile of that group.

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

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

Dr. Santi Rao, MD

Orthopaedic Surgery

20 yrs NPPES
NPI 1144249962
2291 PACHECO ST, Concord, CA 94520(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. Mike Bannout, MD

Internal Medicine

20 yrs NPPES
NPI 1598784662
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 674-2609
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $79.39 (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.

$79.39

Total received

1

Transactions

1

Paying companies

Top paying companies

Boston Scientific Corporation$79.39

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 74th percentile of that group.

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

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

Dr. John Hiss, MD

Internal Medicine

20 yrs NPPES
NPI 1386663052
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 674-2609
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. Christine Ross, MD

Family Medicine

20 yrs NPPES
NPI 1891715470
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 677-0500
NPPES public registry
CMS Open Payments· $57.85 (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.

$57.85

Total received

1

Transactions

1

Paying companies

Top paying companies

Organon LLC$57.85

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 76th percentile of that group.

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

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

Dr. Kalyani Maganti, MD

Gastroenterology

20 yrs NPPES
NPI 1073533212
2222 EAST ST STE 300, Concord, CA 94520(925) 682-7730
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,037 (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.

$1,037

Total received

52

Transactions

11

Paying companies

Top paying companies

AbbVie Inc.$397.56
Janssen Biotech, Inc.$232.90
Salix Pharmaceuticals, a division of Bausch Health US, LLC$84.84
Takeda Pharmaceuticals U.S.A., Inc.$75.10
INTERCEPT PHARMACEUTICALS, INC.$60.84
Regeneron Healthcare Solutions, Inc.$47.00

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 76th percentile of that group.

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

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

Dr. Carol Schaffer, MD

Internal Medicine

20 yrs NPPES
NPI 1871513226
2700 GRANT ST, SUITE 200, Concord, CA 94520(925) 674-2609
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.

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