Hal N. Buch, MD
NPI 1780649574ActiveIndividual· Internal Medicine, Gastroenterology· Kingston, NY
Internal Medicine, Gastroenterology (MD) in Kingston, New York, trained at Brody School of Medicine at East Carolina University (class of 1990). 867 Medicare patients in 2024, $378,772 paid; nearly all of their 871 Part D prescriptions were generic (99%). Janssen Biotech, Inc. was the largest of 4 companies reporting payments in 2025, $116.94 in all, mostly food and beverage.
Overview
| NPI | 1780649574 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 18, 2006 |
| Last updated in NPPES | Nov 7, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 193060-1 | NY |
| Internal Medicine | 207R00000X | 193060-1 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 867 |
|---|---|
| Services billed | 6,865 across 28 procedure codes |
| Paid by Medicare | $378,772 |
Part D prescriptions in 2024
| Prescriptions (claims) | 871 · 1,994 30-day fills |
|---|---|
| Patients | 307 |
| Total drug cost | $34,246 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Brody School of Medicine at East Carolina University |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Healthalliance Hospital Marys Avenue CampusKingston, NY
- Northern Dutchess HospitalRhinebeck, NY
- Vassar Brothers Medical CenterPoughkeepsie, NY
Industry payments (Open Payments)
- 2025$116.94 · 4 payments from 4 companies
- 2024$322.99 · 14 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $46.54 | 1 |
| Ardelyx, Inc. | $34.08 | 1 |
| Madrigal Pharmaceuticals | $22.22 | 1 |
| Abbvie Inc. | $14.10 | 1 |
What the 2025 payments were for
- Food and Beverage$116.94 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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