John Buhac, MD
NPI 1235184789ActiveIndividual· Internal Medicine, Gastroenterology· Albany, NY
Internal Medicine, Gastroenterology (MD) in Albany, New York, trained at Tufts University School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $796,052 for 1,402 claims, against $74,237 paid for services in 2024. Abbvie Inc. reported $20.00 in payments in 2025, mostly grants.
Overview
| NPI | 1235184789 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 23, 2006 |
| Last updated in NPPES | Jan 6, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 152827 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (NY); Practitioner - Gastroenterology (VT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 271 |
|---|---|
| Services billed | 2,213 across 39 procedure codes |
| Paid by Medicare | $74,237 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,402 · 3,206 30-day fills |
|---|---|
| Patients | 384 |
| Total drug cost | $796,052 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Gastrointestinal Care of Long Island PLLCAlbany, NY · 183 clinicians
Hospital affiliations
- Samaritan Hospital of Troy, New YorkTroy, NY
- St Peter's HospitalAlbany, NY
Industry payments (Open Payments)
- 2025$20.00 · 1 payment from 1 company
- 2024$20.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $20.00 | 1 |
What the 2025 payments were for
- Grant$20.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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