Alexander Gilbert, M.D.
NPI 1457346454ActiveIndividual· Internal Medicine, Nephrology· Washington, DC
Internal Medicine, Nephrology (M.D.) in Washington, District of Columbia, trained at New York University School of Medicine (class of 1998). 280 Medicare patients in 2024, $106,960 paid; nearly all of their 649 Part D prescriptions were generic (97%). Sanofi-Aventis U.S. LLC reported $115.99 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1457346454 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 15, 2005 |
| Last updated in NPPES | Jun 29, 2023 |
| Certified by provider | Jun 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD041145 | 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 - Internal Medicine (DC); Practitioner - Nephrology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 280 |
|---|---|
| Services billed | 857 across 10 procedure codes |
| Paid by Medicare | $106,960 |
Part D prescriptions in 2024
| Prescriptions (claims) | 649 · 1,292 30-day fills |
|---|---|
| Patients | 144 |
| Total drug cost | $50,146 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Hospital affiliations
- Medstar Georgetown University HospitalWashington, DC
- Medstar Southern Maryland Hospital CenterClinton, MD
- Medstar Washington Hospital CenterWashington, DC
Industry payments (Open Payments)
- 2025$115.99 · 1 payment from 1 company
- 2024$65.97 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $115.99 | 1 |
What the 2025 payments were for
- Food and Beverage$115.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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