Charles John Hammer III, M.D.
NPI 1063456226ActiveIndividual· Dermatology· Littleton, NH
Dermatology (M.D.) in Littleton, New Hampshire, trained at University of Maryland School of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $2,330,705 for 1,351 claims, against $168,994 paid for services in 2024.
Overview
| NPI | 1063456226 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 16, 2006 |
| Last updated in NPPES | Dec 29, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 9247 | NH |
| Dermatology | 207N00000X | 042-0008974 | VT |
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 - Dermatology (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,043 |
|---|---|
| Services billed | 3,437 across 63 procedure codes |
| Paid by Medicare | $168,994 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,351 · 1,770 30-day fills |
|---|---|
| Patients | 447 |
| Total drug cost | $2,330,705 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Dermatology |
| Telehealth | Offers telehealth |
Medical group
- Dartmouth-Hitchcock ClinicLebanon, NH · 1,472 clinicians
Hospital affiliations
- Androscoggin Valley HospitalBerlin, NH
- Littleton Regional HealthcareLittleton, NH
- Mary Hitchcock Memorial HospitalLebanon, NH
- North Country Hospital and Health CenterNewport, VT
- Northeastern Vermont Regional HospitalSaint Johnsbury, VT
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records