Thomas Obisesan, MD
NPI 1295894426ActiveIndividual· Internal Medicine, Geriatric Medicine· Washington, DC
Internal Medicine, Geriatric Medicine (MD) with Howard University, practicing in Washington, District of Columbia. Their prescriptions cost Medicare Part D more than their services did: $270,418 for 2,511 claims, against $19,693 paid for services in 2024. F. Hoffmann-La Roche Ag reported $80.00 in payments in 2025, mostly food and beverage. Lists Howard University Hospital Corp as a hospital affiliation.
Overview
| NPI | 1295894426 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 6, 2006 |
| Last updated in NPPES | Nov 22, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | MD19950 | DC |
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 - Geriatric Medicine (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 81 |
|---|---|
| Services billed | 183 across 13 procedure codes |
| Paid by Medicare | $19,693 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,511 · 2,896 30-day fills |
|---|---|
| Patients | 113 |
| Total drug cost | $270,418 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Geriatric Medicine |
Medical group
- Howard UniversityWashington, DC · 181 clinicians
Hospital affiliation
- Howard University Hospital CorpWashington, DC
Other facilities
- Washington Ctr for Aging SvcsNursing home · Washington, DC
Industry payments (Open Payments)
- 2025$80.00 · 1 payment from 1 company
- 2024$21,014 · 28 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| F. Hoffmann-La Roche Ag | $80.00 | 1 |
What the 2025 payments were for
- Food and Beverage$80.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 geriatricians in Washington · All geriatricians in District of Columbia