Peter H. Witham, MD
NPI 1417043639ActiveIndividual· Internal Medicine· Southwest Harbor, ME
Internal Medicine (MD) in Southwest Harbor, Maine, trained at George Washington University School of Medicine (class of 1988). Part D covered 5,752 prescriptions written in 2024, 82% of them generic.
Overview
| NPI | 1417043639 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 5, 2006 |
| Last updated in NPPES | Aug 23, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD19832 | ME |
| Internal Medicine | 207R00000X | 0420010126 | 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 - Internal Medicine (ME) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 5,752 · 13,052 30-day fills |
|---|---|
| Patients | 351 |
| Total drug cost | $790,328 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Internal Medicine |
Medical group
- Mount Desert Island HospitalBar Harbor, ME · 65 clinicians
Hospital affiliations
- Mount Desert Island HospitalBar Harbor, ME
- Northern Light Eastern Maine Medical CenterBangor, ME
- Northern Light Maine Coast HospitalEllsworth, ME
Other facilities
- Mount Desert Nursing AssocHome health agency · Northeast Harbor, ME
- Beacon Hospice, An Amedisys CompanyHospice · Bangor, ME
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records