Gregory M. McCarthy, M.D.
NPI 1942393525ActiveIndividual· Internal Medicine, Gastroenterology· Manchester, NH
Internal Medicine, Gastroenterology (M.D.) with Elliot Professional Services and 1 other group, practicing in Manchester, New Hampshire. Mostly services rather than prescriptions: Medicare paid $49,235 for 309 patients in 2024, with only 38 Part D claims. Boston Scientific Corporation reported $27.14 in payments in 2024, mostly food and beverage. Lists Elliot Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1942393525 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 2, 2006 |
| Last updated in NPPES | Aug 19, 2022 |
| Certified by provider | Aug 17, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 7256 | NH |
| Internal Medicine, Geriatric Medicine | 207RG0300X | CDR.0000643 | CO |
| Internal Medicine, Gastroenterology | 207RG0100X | CDR.0000643 | CO |
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 (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 309 |
|---|---|
| Services billed | 394 across 30 procedure codes |
| Paid by Medicare | $49,235 |
Part D prescriptions in 2024
| Prescriptions (claims) | 38 · 42 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $1,174 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical groups
- Elliot Professional ServicesManchester, NH · 427 clinicians
- St. Joseph Hospital of Nashua NhNashua, NH · 273 clinicians
Hospital affiliations
- Elliot HospitalManchester, NH
- St Joseph HospitalNashua, NH
Industry payments (Open Payments)
- 2024$27.14 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $27.14 | 1 |
What the 2024 payments were for
- Food and Beverage$27.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 21 gastroenterologists in Manchester · All gastroenterologists in New Hampshire