Buari Osman, MD
NPI 1033273032ActiveIndividual· Internal Medicine, Nephrology· Oxon Hill, MD
Internal Medicine, Nephrology (MD) with Nephrology Associates LLC, practicing in Oxon Hill, Maryland. In 2024 Medicare paid $126,708 for 162 patients, and Part D covered 387 of their prescriptions, 83% of them generic. Ardelyx, Inc. was the largest of 5 companies reporting payments in 2025, $172.17 in all, mostly food and beverage.
Overview
| NPI | 1033273032 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 21, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | D46551 | MD |
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 - Nephrology (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 162 |
|---|---|
| Services billed | 712 across 20 procedure codes |
| Paid by Medicare | $126,708 |
Part D prescriptions in 2024
| Prescriptions (claims) | 387 · 802 30-day fills |
|---|---|
| Patients | 91 |
| Total drug cost | $126,422 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Nephrology Associates LLCUpper Marlboro, MD · 3 clinicians
Other facilities
- Davita Kidney Care of LargoDialysis facility · Upper Marlboro, MD
- Davita Landover DialysisDialysis facility · Upper Marlboro, MD
- Usrc Fort Washington DialysisDialysis facility · Fort Washington, MD
- Usrc Old Alexandria DialysisDialysis facility · Clinton, MD
Industry payments (Open Payments)
- 2025$172.17 · 8 payments from 5 companies
- 2024$655.12 · 22 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $55.76 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $52.84 | 2 |
| Fresenius USA Marketing, Inc. | $45.97 | 2 |
| Akebia Therapeutics Inc | $17.21 | 1 |
| Travere Therapeutics, Inc. | $0.39 | 1 |
What the 2025 payments were for
- Food and Beverage$171.78 · 7 payments
- Education$0.39 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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