Jeffrey L. Grassmann, D.O.
NPI 1750580486ActiveIndividual· Family Medicine· South Portland, ME
Family Medicine (D.O.) with Intermed PA, practicing in South Portland, Maine. Their prescriptions cost Medicare Part D more than their services did: $248,218 for 2,746 claims, against $19,047 paid for services in 2024. Lists Mainehealth Maine Medical Center as a hospital affiliation.
Overview
| NPI | 1750580486 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 12, 2007 |
| Last updated in NPPES | May 21, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 2147 | 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 - Family Practice (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 73 |
|---|---|
| Services billed | 1,033 across 81 procedure codes |
| Paid by Medicare | $19,047 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,746 · 6,266 30-day fills |
|---|---|
| Patients | 244 |
| Total drug cost | $248,218 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Intermed PASouth Portland, ME · 183 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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