Timothy C. O'Brien, M.D.
NPI 1962441055ActiveIndividual· Surgery· Rockport, ME
Surgery (M.D.) in Rockport, Maine, trained at Hahnemann University College of Medicine (class of 1992). 125 Medicare patients in 2024, $28,521 paid; nearly all of their 53 Part D prescriptions were generic (96%).
Overview
| NPI | 1962441055 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 5, 2006 |
| Last updated in NPPES | Feb 5, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | MD18627 | ME |
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 - General Surgery (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 125 |
|---|---|
| Services billed | 210 across 42 procedure codes |
| Paid by Medicare | $28,521 |
Part D prescriptions in 2024
| Prescriptions (claims) | 53 · 53 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $314.07 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Hahnemann University College of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | General Surgery |
Medical group
- MainehealthPortland, ME · 2,633 clinicians
Hospital affiliation
- Mainehealth Pen Bay HospitalRockport, ME
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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