Mary A. Osei, M.D.
NPI 1164927703ActiveIndividual· Hospitalist· Huntington, WV
Hospitalist (M.D.) with St Marys Hospitalist Services LLC, practicing in Huntington, West Virginia. In 2024 Medicare paid $27,028 for 191 patients, and Part D covered 52 of their prescriptions, 81% of them generic. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $59.93 in all, mostly food and beverage. Lists St Marys Medical Center as a hospital affiliation.
Overview
| NPI | 1164927703 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 27, 2018 |
| Last updated in NPPES | Nov 12, 2024 |
| Certified by provider | Nov 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | MD-48613 | IA |
| Internal Medicine | 207R00000X | 33847 | WV |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | GA |
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 - Hospitalist (IA); Practitioner - Internal Medicine (WV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 191 |
|---|---|
| Services billed | 369 across 13 procedure codes |
| Paid by Medicare | $27,028 |
Part D prescriptions in 2024
| Prescriptions (claims) | 52 · 53 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $3,098 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical group
- St Marys Hospitalist Services LLCHuntington, WV · 48 clinicians
Hospital affiliation
- St Marys Medical CenterHuntington, WV
Industry payments (Open Payments)
- 2025$59.93 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $40.53 | 1 |
| Abbott Laboratories | $19.40 | 1 |
What the 2025 payments were for
- Food and Beverage$59.93 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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