Mark M. Grohman, D.O.
NPI 1538393541ActiveIndividual· Hospitalist· Biddeford, ME
Hospitalist (D.O.) in Biddeford, Maine, trained at University of New England, College of Osteo Medicine (class of 2009). Mostly services rather than prescriptions: Medicare paid $14,251 for 73 patients in 2024, with only 38 Part D claims.
Overview
| NPI | 1538393541 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 5, 2009 |
| Last updated in NPPES | Sep 6, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | DO2294 | ME |
| Hospitalist | 208M00000X | 2294 | ME |
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 - Family Practice (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 73 |
|---|---|
| Services billed | 156 across 12 procedure codes |
| Paid by Medicare | $14,251 |
Part D prescriptions in 2024
| Prescriptions (claims) | 38 · 38 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $498.32 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of New England, College of Osteo Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Family Practice |
Medical groups
- Mercy HospitalPortland, ME · 301 clinicians
- Down East Community HospitalMachias, ME · 29 clinicians
Hospital affiliations
- Down East Community HospitalMachias, ME
- Northern Light Mercy HospitalPortland, ME
Other facilities
- Northern Light Home Care & HospiceHospice · South Portland, 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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All 19 hospitalists in Biddeford · All hospitalists in Maine