Mohammad A. Khan, M.D.
NPI 1043267016ActiveIndividual· Internal Medicine, Nephrology· Washington, DC
Internal Medicine, Nephrology (M.D.) with Washington Nephrology Associates LLP, practicing in Washington, District of Columbia. Their prescriptions cost Medicare Part D more than their services did: $426,175 for 1,133 claims, against $247,932 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 3 companies reporting payments in 2025, $179.56 in all, mostly food and beverage. Lists Medstar Georgetown University Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1043267016 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 27, 2006 |
| Last updated in NPPES | Jun 16, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD30300 | 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 - Nephrology (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 388 |
|---|---|
| Services billed | 1,520 across 20 procedure codes |
| Paid by Medicare | $247,932 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,133 · 2,540 30-day fills |
|---|---|
| Patients | 171 |
| Total drug cost | $426,175 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Washington Nephrology Associates LLPWoodbridge, VA · 35 clinicians
Hospital affiliations
- Medstar Georgetown University HospitalWashington, DC
- Medstar Washington Hospital CenterWashington, DC
- Saint Agnes HospitalBaltimore, MD
- Sibley Memorial HospitalWashington, DC
- University of MD Capital Region Medical CenterUpper Marlboro, MD
Other facilities
- Bma - Camp SpringsDialysis facility · Suitland, MD
- Bma - Fort WashingtonDialysis facility · Fort Washington, MD
- Bma - Northeast WashingtonDialysis facility · Washington, DC
- Davita District Heights DialysisDialysis facility · District Heights, MD
- Fresenius Kidney Care Fairmount HeightsDialysis facility · Capitol Heights, MD
Industry payments (Open Payments)
- 2025$179.56 · 4 payments from 3 companies
- 2024$399.12 · 14 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $121.52 | 1 |
| Amgen Inc. | $44.40 | 2 |
| Novartis Pharmaceuticals Corporation | $13.64 | 1 |
What the 2025 payments were for
- Food and Beverage$179.56 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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