Hassan Shahin, M.D.
NPI 1770537870ActiveIndividual· Internal Medicine, Nephrology· Alexandria, VA
Internal Medicine, Nephrology (M.D.) with Washington Nephrology Associates LLP, practicing in Alexandria, Virginia. Their prescriptions cost Medicare Part D more than their services did: $479,537 for 1,393 claims, against $171,637 paid for services in 2024. Fresenius USA Marketing, Inc. reported $90.48 in payments in 2025, mostly food and beverage. Lists Inova Alexandria Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1770537870 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 22, 2006 |
| Last updated in NPPES | Jun 16, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 0101235884 | VA |
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); Practitioner - Nephrology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 430 |
|---|---|
| Services billed | 2,024 across 22 procedure codes |
| Paid by Medicare | $171,637 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,393 · 3,624 30-day fills |
|---|---|
| Patients | 235 |
| Total drug cost | $479,537 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Washington Nephrology Associates LLPWoodbridge, VA · 35 clinicians
Hospital affiliations
- Inova Alexandria HospitalAlexandria, VA
- Inova Mount Vernon HospitalAlexandria, VA
- Sentara Northern Virginia Medical CenterWoodbridge, VA
Other facilities
- Fmc - Potomac MillsDialysis facility · Woodbridge, VA
Industry payments (Open Payments)
- 2025$90.48 · 4 payments from 1 company
- 2024$120.96 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $90.48 | 4 |
What the 2025 payments were for
- Food and Beverage$90.48 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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