Subhendu Narayan, M.D.
NPI 1427169002ActiveIndividual· Internal Medicine, Gastroenterology· Berkeley, CA
Internal Medicine, Gastroenterology (M.D.) in Berkeley, California, trained at Js Weill Medical College, Cornell University (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $340,097 for 1,304 claims, against $174,083 paid for services in 2024. Janssen Biotech, Inc. was the largest of 8 companies reporting payments in 2025, $1,243 in all, mostly food and beverage.
Overview
| NPI | 1427169002 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Mar 3, 2025 |
| Certified by provider | Mar 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | G62132 | CA |
| Specialist | 174400000X | G62132 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 557 |
|---|---|
| Services billed | 1,423 across 41 procedure codes |
| Paid by Medicare | $174,083 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,304 · 2,939 30-day fills |
|---|---|
| Patients | 523 |
| Total drug cost | $340,097 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Js Weill Medical College, Cornell University |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Bass Medical GroupChico, CA · 291 clinicians
Hospital affiliations
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$1,243 · 40 payments from 8 companies
- 2024$180.03 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $348.93 | 9 |
| Madrigal Pharmaceuticals | $289.41 | 8 |
| Abbvie Inc. | $222.62 | 8 |
| Takeda Pharmaceuticals U.S.A., Inc. | $171.19 | 7 |
| Lilly USA, LLC | $94.67 | 3 |
What the 2025 payments were for
- Food and Beverage$1,243 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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