Gerard A. Dillon, M.D.
NPI 1750398293ActiveIndividual· Internal Medicine, Cardiovascular Disease· Concord, NH
Internal Medicine, Cardiovascular Disease (M.D.) in Concord, New Hampshire, trained at State University of New York at Buffalo School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $458,121 for 2,587 claims, against $35,484 paid for services in 2024.
Overview
| NPI | 1750398293 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 1, 2006 |
| Last updated in NPPES | Jan 12, 2026 |
| Certified by provider | Jan 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 10936 | NH |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 10936 | NH |
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 - Cardiovascular Disease (Cardiology) (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 555 |
|---|---|
| Services billed | 1,116 across 15 procedure codes |
| Paid by Medicare | $35,484 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,587 · 6,706 30-day fills |
|---|---|
| Patients | 616 |
| Total drug cost | $458,121 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Dartmouth-Hitchcock ClinicLebanon, NH · 1,472 clinicians
- Mary Hitchcock Memorial HospitalManchester, NH · 1,280 clinicians
Hospital affiliations
- Concord HospitalConcord, NH
- Concord Hospital- FranklinFranklin, NH
- Concord Hospital- LaconiaLaconia, NH
- Mary Hitchcock Memorial HospitalLebanon, NH
- New London HospitalNew London, NH
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Cardiovascular Disease providers in New Hampshire →