DoctorsProofNPPES directory · verify at state boards

Gastroenterology in San Pablo, CA

4 verified gastroenterology doctors in San Pablo.

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

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

Verify a license at the Medical Board of California

Dr. Mark Kogan, MD

Gastroenterology

20 yrs NPPES
NPI 1780690313
2089 VALE RD, SUITE 33, San Pablo, CA 94806(510) 234-5012
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $19,140 (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.

$19,140

Total received

31

Transactions

13

Paying companies

Top paying companies

Eli Lilly and Company$18,182
Genzyme Corporation$175.75
Ardelyx, Inc.$165.04
Janssen Biotech, Inc.$154.29
Takeda Pharmaceuticals U.S.A., Inc.$120.38
AbbVie Inc.$87.87

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 93% of that group — among the highest recipients.

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

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

Dr. Gerald Schaffer, MD

Gastroenterology

20 yrs NPPES
NPI 1780797027
2089 VALE RD, SUITE 33, San Pablo, CA 94806(510) 234-5012
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. Jacqueline Park, MD

Gastroenterology

18 yrs NPPES
NPI 1346415247
2089 VALE RD, SUITE 33, San Pablo, CA 94806(510) 234-5012
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. Kiran Narsinh, MD

Gastroenterology

17 yrs NPPES
NPI 1730316977
2089 VALE RD, SUITE 33, San Pablo, CA 94806(510) 234-5012
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $315.42 (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.

$315.42

Total received

14

Transactions

8

Paying companies

Top paying companies

AbbVie Inc.$116.15
Genzyme Corporation$42.36
AstraZeneca Pharmaceuticals LP$41.28
Janssen Biotech, Inc.$37.19
Celltrion USA Inc.$24.52
QOL Medical, LLC$21.13

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 Kiran Narsinh do not imply any wrongdoing. Many are meals, education, or research support.

Gastroenterology in San Pablo, CA — Verified | DoctorsProof | DoctorsProof