DoctorsProofNPPES directory · verify at state boards

Internal Medicine in Saint Helena, CA

18 verified internal medicine doctors in Saint Helena.

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. Hirofumi Hashimoto, MD

Internal Medicine

21 yrs NPPES
NPI 1104812585
10 WOODLAND RD, Saint Helena, CA 94574(707) 963-6399
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. Gordon Sweeney, MD

Internal Medicine

20 yrs NPPES
NPI 1194794776
10 WOODLAND RD, Saint Helena, CA 94574(707) 963-6399
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. Mary Newkirk, MD

Internal Medicine

20 yrs NPPES
NPI 1124088323
10 WOODLAND RD, Saint Helena, CA 94574(707) 963-6399
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $147.48 (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.

$147.48

Total received

6

Transactions

5

Paying companies

Top paying companies

AstraZeneca Pharmaceuticals LP$49.84
Pfizer Inc.$28.57
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)$24.04
AbbVie Inc.$23.40
Janssen Pharmaceuticals, Inc$21.63

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 79th percentile of that group.

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

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

Dr. Sanjay Muttreja, MD

Internal Medicine

20 yrs NPPES
NPI 1447201173
10 WOODLAND RD, Saint Helena, CA 94574(707) 963-6399
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $181.10 (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.

$181.10

Total received

2

Transactions

2

Paying companies

Top paying companies

Intuitive Surgical, Inc.$90.91
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)$90.19

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 81th percentile of that group.

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

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

Dr. Arun Hatwalkar, MD

Internal Medicine

20 yrs NPPES
NPI 1689600090
10 WOODLAND RD, Saint Helena, CA 94574(707) 963-6399
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. Heather Pena, MD

Internal Medicine

20 yrs NPPES
NPI 1881703973
999 ADAMS ST., SUITE 105, Saint Helena, CA 94574(707) 967-9000
NPPES public registry
CMS Open Payments· $39.46 (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.

$39.46

Total received

2

Transactions

2

Paying companies

Top paying companies

Kerecis Limited$20.68
Integra LifeSciences Corporation$18.78

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 70th percentile of that group.

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

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

Dr. John Hart, MD

Internal Medicine

20 yrs NPPES
NPI 1104904945
10 WOODLAND RD, Saint Helena, CA 94574(707) 963-6399
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. Alexa Henderson, MD

Internal Medicine

18 yrs NPPES
NPI 1700050911
10 WOODLAND RD, Saint Helena, CA 94574(707) 963-2002
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 Gamble, MD

Internal Medicine

18 yrs NPPES
NPI 1790950079
10 WOODLAND RD, Saint Helena, CA 94574(707) 963-2002
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. Matthew Cain, MD

Internal Medicine

16 yrs NPPES
NPI 1912210931
6 WOODLAND RD STE 304, Saint Helena, CA 94574(707) 963-7200
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $5,921 (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.

$5,921

Total received

155

Transactions

11

Paying companies

Top paying companies

Abbott Laboratories$2,293
Boston Scientific Corporation$1,177
Medtronic, Inc.$1,052
Biosense Webster, Inc.$941.36
ABIOMED$219.16
ShockWave Medical, Inc$91.27

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 97% of that group — among the highest recipients.

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

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

Dr. Padmaja Manyam, MD

Internal Medicine

16 yrs NPPES
NPI 1679882500
172 ROSEBUD LN, Saint Helena, CA 94574(347) 229-3632
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. Leah Grabenauer, MD

Internal Medicine

14 yrs NPPES
NPI 1760740385
10 WOODLAND RD, Saint Helena, CA 94574(707) 963-6399
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. Ako Walther, MD

Internal Medicine

13 yrs NPPES
NPI 1588907836
10 WOODLAND RD, Saint Helena, CA 94574(707) 963-6399
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. Katherine Williams, MD

Internal Medicine

11 yrs NPPES
NPI 1710371463
2800 ST. HELENA HIGHWAY NORTH, Saint Helena, CA 94574(707) 758-5936
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. Matthew Corvo, MD

Internal Medicine

11 yrs NPPES
NPI 1265811475
1120 POPE ST STE 100, Saint Helena, CA 94574(707) 967-1914
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. Amizetta Clark, MD

Internal Medicine

10 yrs NPPES
NPI 1841646353
10 WOODLAND RD, Saint Helena, CA 94574(707) 963-3611
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $18.91 (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.

$18.91

Total received

1

Transactions

1

Paying companies

Top paying companies

Indivior Inc.$18.91

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 66th percentile of that group.

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

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

Dr. Jaime Gonzalez Cardona, MD

Internal Medicine

6 yrs NPPES
NPI 1891324315
10 WOODLAND RD, Saint Helena, CA 94574(707) 963-3611
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. Sahiba Bajwa, MD

Internal Medicine

6 yrs NPPES
NPI 1346869567
999 ADAMS ST STE 105, Saint Helena, CA 94574(650) 402-8643
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.

Internal Medicine in Saint Helena, CA — Verified | DoctorsProof | DoctorsProof