Sarah A. M. Hallen, M.D.
NPI 1033221817ActiveIndividual· Internal Medicine, Geriatric Medicine· Portland, ME
Internal Medicine, Geriatric Medicine (M.D.) in Portland, Maine, trained at University of Vermont College of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $121,000 for 426 claims, against $16,268 paid for services in 2024.
Overview
| NPI | 1033221817 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Apr 4, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | MD18219 | ME |
| Internal Medicine | 207R00000X | MD18219 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 132 |
|---|---|
| Services billed | 181 across 8 procedure codes |
| Paid by Medicare | $16,268 |
Part D prescriptions in 2024
| Prescriptions (claims) | 426 · 426 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $121,000 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Vermont College of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
Medical group
- MainehealthPortland, ME · 2,633 clinicians
Hospital affiliation
- Mainehealth Maine Medical CenterPortland, 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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