Tayseer Haroun, M.D
NPI 1457618191ActiveIndividual· Internal Medicine, Rheumatology· Washington, DC
Internal Medicine, Rheumatology (M.D) with Howard University, practicing in Washington, District of Columbia. Their prescriptions cost Medicare Part D more than their services did: $405,908 for 191 claims, against $3,750 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 10 companies reporting payments in 2025, $606.48 in all, mostly food and beverage. Lists Howard University Hospital Corp as a hospital affiliation.
Overview
| NPI | 1457618191 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | Yes |
| NPI issued | Apr 19, 2012 |
| Last updated in NPPES | Feb 8, 2024 |
| Certified by provider | Feb 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | MD500002621 | DC |
| Internal Medicine, Rheumatology | 207RR0500X | 0101267292 | VA |
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 - Rheumatology (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 35 across 11 procedure codes |
| Paid by Medicare | $3,750 |
Part D prescriptions in 2024
| Prescriptions (claims) | 191 · 332 30-day fills |
|---|---|
| Patients | 56 |
| Total drug cost | $405,908 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Rheumatology |
Medical group
- Howard UniversityWashington, DC · 181 clinicians
Hospital affiliation
- Howard University Hospital CorpWashington, DC
Industry payments (Open Payments)
- 2025$606.48 · 17 payments from 10 companies
- 2024$271.48 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $126.21 | 4 |
| Ucb, Inc. | $124.19 | 4 |
| Genzyme Corporation | $118.75 | 1 |
| Amgen Inc. | $46.83 | 2 |
| E.R. Squibb & Sons, L.L.C. | $39.53 | 1 |
What the 2025 payments were for
- Food and Beverage$606.48 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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