Zvi A. Alpern, MD
NPI 1023115748ActiveIndividual· Internal Medicine, Gastroenterology· Smithtown, NY
Internal Medicine, Gastroenterology (MD) with Digestive Disease Care, PC, practicing in Smithtown, New York. In 2024 Medicare paid $226,073 for 556 patients, and Part D covered 716 of their prescriptions, 89% of them generic. Janssen Biotech, Inc. was the largest of 12 companies reporting payments in 2025, $1,167 in all, mostly food and beverage. Lists Good Samaritan Hospital Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1023115748 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 17, 2006 |
| Last updated in NPPES | May 1, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 156485 | NY |
| Internal Medicine | 207R00000X | 154485 | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 556 |
|---|---|
| Services billed | 1,997 across 37 procedure codes |
| Paid by Medicare | $226,073 |
Part D prescriptions in 2024
| Prescriptions (claims) | 716 · 1,798 30-day fills |
|---|---|
| Patients | 233 |
| Total drug cost | $176,239 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1976 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Digestive Disease Care, PCRichmond Hill, NY · 40 clinicians
Hospital affiliations
- Good Samaritan Hospital Medical CenterWest Islip, NY
- St Catherine of Siena HospitalSmithtown, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
- 2025$1,167 · 40 payments from 12 companies
- 2024$739.11 · 28 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $284.01 | 10 |
| Madrigal Pharmaceuticals | $253.88 | 6 |
| Boston Scientific Corporation | $155.94 | 2 |
| Ardelyx, Inc. | $109.57 | 5 |
| Abbvie Inc. | $97.43 | 4 |
What the 2025 payments were for
- Food and Beverage$1,158 · 39 payments
- Education$9.24 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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