DoctorsProofNPPES directory · verify at state boards

Internal Medicine in Martinez, CA

47 verified internal medicine doctors in Martinez.

Internists specialize in the prevention, diagnosis, and treatment of adult diseases, often coordinating complex or chronic conditions across multiple systems.

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. Gerhard Heinrich, MD

Internal Medicine

21 yrs NPPES
NPI 1306828728
150 MUIR RD, Martinez, CA 94553(510) 715-9915
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. Brian O'Neill, MD

Internal Medicine

21 yrs NPPES
NPI 1366425985
150 MUIR RD, Martinez, CA 94553(925) 372-2018
NPPES public registry
CMS Open Payments· $12.90 (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.

$12.90

Total received

1

Transactions

1

Paying companies

Top paying companies

Stryker Corporation$12.90

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 63th percentile of that group.

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

Payments to Brian O'Neill do not imply any wrongdoing. Many are meals, education, or research support.

Dr. David Chapman, MD

Internal Medicine

21 yrs NPPES
NPI 1578548129
150 MUIR RD, Martinez, CA 94553(925) 372-2000
NPPES public registry
CMS Open Payments· $103.50 (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.

$103.50

Total received

3

Transactions

1

Paying companies

Top paying companies

Edwards Lifesciences Corporation$103.50

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 David Chapman do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Nancy Lazarus, MD

Internal Medicine

21 yrs NPPES
NPI 1073598223
150 MUIR RD, VANCHCS, Martinez, CA 94553(707) 437-1800
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. Thomas Gamsky, MD

Internal Medicine

21 yrs NPPES
NPI 1043296247
10 DOUGLAS DR, Martinez, CA 94553(925) 313-1100
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. Walter Peters, MD

Internal Medicine

20 yrs NPPES
NPI 1104857598
233 CHRISTIE DR, Martinez, CA 94553(925) 930-3110
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. Irina Pyrkova, MD

Internal Medicine

20 yrs NPPES
NPI 1346350394
2500 ALHAMBRA AVE, Martinez, CA 94553(925) 212-4286
NPPES public registry
CMS Open Payments· $97.32 (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.

$97.32

Total received

5

Transactions

1

Paying companies

Top paying companies

AbbVie Inc.$97.32

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 75th percentile of that group.

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

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

Dr. Jeremy Fish, MD

Internal Medicine

20 yrs NPPES
NPI 1952497943
2500 ALHAMBRA AVENUE, CONTRA COSTA REGIONAL MEDICAL CENTER AND HEALTH CENTERS, Martinez, CA 94553(925) 370-5110
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. Gabriela Sullivan, MD

Internal Medicine

20 yrs NPPES
NPI 1275620023
2500 ALHAMBRA AVENUE, Martinez, CA 94553(925) 370-5110
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 Reif, MD

Internal Medicine

20 yrs NPPES
NPI 1538242383
2500 ALHAMBRA AVENUE, CONTRA COSTA REGIONAL MEDICAL CENTER AND HEALTH CENTERS, Martinez, CA 94553(925) 370-5110
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. Sara Levin, MD

Internal Medicine

20 yrs NPPES
NPI 1184707853
2500 ALHAMBRA AVENUE, CONTRA COSTA REGIONAL MEDICAL CENTER AND HEALTH CENTERS, Martinez, CA 94553(925) 370-5110
NPPES public registry
CMS Open Payments· $30.00 (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.

$30.00

Total received

1

Transactions

1

Paying companies

Top paying companies

Medicines360$30.00

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 69th percentile of that group.

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

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

Dr. Jerry Yang, MD

Internal Medicine

20 yrs NPPES
NPI 1538247606
200 MUIR RD, Martinez, CA 94553(925) 372-1000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $100.00 (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.

$100.00

Total received

1

Transactions

1

Paying companies

Top paying companies

United Therapeutics Corporation$100.00

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 Jerry Yang do not imply any wrongdoing. Many are meals, education, or research support.

Dr. George Chuang, DO

Internal Medicine

20 yrs NPPES
NPI 1235217324
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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. Malini Shah, MD

Internal Medicine

20 yrs NPPES
NPI 1376621466
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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. Bryan Fong, MD

Internal Medicine

20 yrs NPPES
NPI 1548348634
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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. Olga Likhacheva, MD

Internal Medicine

20 yrs NPPES
NPI 1053499129
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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 Weaver, MD

Internal Medicine

20 yrs NPPES
NPI 1356429435
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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 Besley, MD

Internal Medicine

20 yrs NPPES
NPI 1336227420
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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. Kenton Chung, MD

Internal Medicine

20 yrs NPPES
NPI 1770661878
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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. Robert Anderson, MD

Internal Medicine

20 yrs NPPES
NPI 1447338538
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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 Sharpe, MD

Internal Medicine

20 yrs NPPES
NPI 1851479950
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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 Fields, MD

Internal Medicine

20 yrs NPPES
NPI 1831277938
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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. Neeraja Maramreddy, MD

Internal Medicine

20 yrs NPPES
NPI 1093893109
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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. Steven Johnson, MD

Internal Medicine

20 yrs NPPES
NPI 1861571531
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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. Shobha Sharma, DO

Internal Medicine

20 yrs NPPES
NPI 1326118290
2500 ALHAMBRA AVE, Martinez, CA 94553(925) 370-5110
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. Indu Gupta, MD

Internal Medicine

20 yrs NPPES
NPI 1881766632
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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. F. Melewicz, MD

Internal Medicine

20 yrs NPPES
NPI 1831261668
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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. Rama Yarlagadda, MD

Internal Medicine

20 yrs NPPES
NPI 1932271772
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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. George Fong, MD

Internal Medicine

20 yrs NPPES
NPI 1174697486
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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. Poly Vela-Victa, MD

Internal Medicine

20 yrs NPPES
NPI 1144394453
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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. Mark Wille, MD

Internal Medicine

20 yrs NPPES
NPI 1205904133
2500 ALHAMBRA AVE, Martinez, CA 94553(925) 370-5110
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. Ekaterina Malinovsky, MD

Internal Medicine

19 yrs NPPES
NPI 1174675987
200 MUIR RD, Martinez, CA 94553(925) 372-1000
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. Mark Vanhandel, MD

Internal Medicine

19 yrs NPPES
NPI 1477678621
2500 ALHAMBRA AVE, Martinez, CA 94553(925) 370-5110
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. Keith White, MD

Internal Medicine

19 yrs NPPES
NPI 1821217845
2500 ALHAMBRA AVE, Martinez, CA 94553(925) 370-5110
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. Sonia Sutherland, MD

Internal Medicine

19 yrs NPPES
NPI 1770785867
2500 ALHAMBRA AVE, Martinez, CA 94553(925) 370-5110
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. Yelena Gambarin, MD

Internal Medicine

19 yrs NPPES
NPI 1043412026
150 MUIR RD # HBPC11C3, Martinez, CA 94553(925) 372-2131
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. Oliver Graham, MD

Internal Medicine

19 yrs NPPES
NPI 1972705424
2500 ALHAMBRA AVE, Martinez, CA 94553(925) 370-5110
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. Eunice Liu, DO

Internal Medicine

19 yrs NPPES
NPI 1851575310
200 MUIR RD, Martinez, CA 94553(925) 372-1669
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. Nusrat Chaudhry, MD

Internal Medicine

18 yrs NPPES
NPI 1689829004
2500 ALHAMBRA AVE, Martinez, CA 94553(925) 370-5200
NPPES public registry
CMS Open Payments· $74.42 (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.

$74.42

Total received

2

Transactions

1

Paying companies

Top paying companies

Dexcom, Inc.$74.42

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 Nusrat Chaudhry do not imply any wrongdoing. Many are meals, education, or research support.

Dr. David Brody, MD

Internal Medicine

17 yrs NPPES
NPI 1255567939
2500 ALHAMBRA AVE, Martinez, CA 94553(415) 846-1067
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. Adam Buck, MD

Internal Medicine

16 yrs NPPES
NPI 1346564119
2500 ALHAMBRA AVE, Martinez, CA 94553(925) 370-5000
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. Martin Bauman, MD

Internal Medicine

16 yrs NPPES
NPI 1366743858
2500 ALHAMBRA AVE, Martinez, CA 94553(925) 370-5110
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. Abid Ahmed, MD

Internal Medicine

15 yrs NPPES
NPI 1346531001
2500 ALHAMBRA AVE, Martinez, CA 94553(925) 370-5000
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. Emma Swan, MD

Internal Medicine

14 yrs NPPES
NPI 1386904100
2500 ALHAMBRA AVE, Martinez, CA 94553(224) 430-3653
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. Lauren Choi, MD

Internal Medicine

11 yrs NPPES
NPI 1700271210
200 MUIR RD, Martinez, CA 94553(925) 229-7756
NPPES public registry
CMS Open Payments· $88.92 (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.

$88.92

Total received

4

Transactions

3

Paying companies

Top paying companies

Otsuka America Pharmaceutical, Inc.$54.69
Novo Nordisk Inc$21.51
Lucid Diagnostics Inc.$12.72

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 75th percentile of that group.

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

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

Dr. Stephanie Lin, MD

Internal Medicine

10 yrs NPPES
NPI 1902262967
2500 ALHAMBRA AVE, Martinez, CA 94553(925) 370-5000
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. Sheila Rezaei, MD

Internal Medicine

5 yrs NPPES
NPI 1699353078
200 MUIR RD, Martinez, CA 94553(925) 372-1000
NPPES public registry
CMS Open Payments· $124.99 (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.

$124.99

Total received

1

Transactions

1

Paying companies

Top paying companies

Gilead Sciences, Inc.$124.99

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 Sheila Rezaei do not imply any wrongdoing. Many are meals, education, or research support.

Internal Medicine in Martinez, CA — Verified | DoctorsProof | DoctorsProof