Ziad Khoury, M.D.
NPI 1285075218ActiveIndividual· Internal Medicine, Nephrology· Chevy Chase, MD
Internal Medicine, Nephrology (M.D.) with Washington Nephrology Associates LLP, practicing in Chevy Chase, Maryland. Their prescriptions cost Medicare Part D more than their services did: $401,149 for 1,298 claims, against $233,406 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 18 companies reporting payments in 2025, $1,664 in all, mostly food and beverage. Lists Medstar Georgetown University Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1285075218 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 5, 2013 |
| Last updated in NPPES | Aug 29, 2023 |
| Certified by provider | Aug 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | D0090067 | MD |
| Internal Medicine, Nephrology | 207RN0300X | 036.138602 | IL |
| Internal Medicine, Nephrology | 207RN0300X | 0101265213 | VA |
| Internal Medicine, Nephrology | 207RN0300X | MD048381 | DC |
| Hospitalist | 208M00000X | 036.138602 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 506 |
|---|---|
| Services billed | 2,040 across 20 procedure codes |
| Paid by Medicare | $233,406 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,298 · 2,710 30-day fills |
|---|---|
| Patients | 193 |
| Total drug cost | $401,149 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| 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
- Sibley Memorial HospitalWashington, DC
- University of MD Capital Region Medical CenterUpper Marlboro, MD
Other facilities
- Capital Region Dialysis Clinic LLCDialysis facility · Landover, MD
- Fmc - BrightseatDialysis facility · Hyattsville, MD
- Fmc - Prince Georges County DialysisDialysis facility · Lanham, MD
- Nxstage Kidney Care GreenbeltDialysis facility · Lanham, MD
Industry payments (Open Payments)
- 2025$1,664 · 78 payments from 18 companies
- 2024$2,041 · 64 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $309.00 | 19 |
| Astrazeneca Pharmaceuticals LP | $201.45 | 9 |
| Amgen Inc. | $169.90 | 8 |
| Ardelyx, Inc. | $158.88 | 6 |
| Lilly USA, LLC | $106.47 | 4 |
What the 2025 payments were for
- Food and Beverage$1,627 · 76 payments
- Education$37.51 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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