Roger M. Epstein, M.D.
NPI 1821095183ActiveIndividual· Internal Medicine, Gastroenterology· Somersworth, NH
Internal Medicine, Gastroenterology (M.D.) in Somersworth, New Hampshire, trained at Boston University School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $1,544,287 for 1,336 claims, against $387,095 paid for services in 2024. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $1,006 in all, mostly food and beverage.
Overview
| NPI | 1821095183 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 1, 2005 |
| Last updated in NPPES | Oct 2, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 6987 | NH |
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 (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 943 |
|---|---|
| Services billed | 14,667 across 50 procedure codes |
| Paid by Medicare | $387,095 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,336 · 2,761 30-day fills |
|---|---|
| Patients | 358 |
| Total drug cost | $1,544,287 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Atlantic Digestive Specialists PLLCSomersworth, NH · 17 clinicians
Hospital affiliations
- Exeter Hospital IncExeter, NH
- Portsmouth Regional HospitalPortsmouth, NH
- Wentworth-Douglass HospitalDover, NH
- York HospitalYork, ME
Industry payments (Open Payments)
- 2025$1,006 · 43 payments from 15 companies
- 2024$979.68 · 42 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $319.08 | 19 |
| Phathom Pharmaceuticals, Inc. | $139.85 | 3 |
| Pfizer Inc. | $106.52 | 5 |
| Gilead Sciences, Inc. | $70.98 | 3 |
| Genzyme Corporation | $61.96 | 1 |
What the 2025 payments were for
- Food and Beverage$1,006 · 43 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Gastroenterology providers in New Hampshire →