Rizwan Ahmed, M.D.
NPI 1841469061ActiveIndividual· Internal Medicine, Gastroenterology· Manassas, VA
Internal Medicine, Gastroenterology (M.D.) in Manassas, Virginia, trained at Eastern Virginia Medical School (class of 2003). In 2024 Medicare paid $160,273 for 361 patients, and Part D covered 586 of their prescriptions, 84% of them generic. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $806.74 in all, mostly food and beverage.
Overview
| NPI | 1841469061 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 21, 2008 |
| Last updated in NPPES | Feb 13, 2026 |
| Certified by provider | Feb 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 0101256346 | VA |
| Internal Medicine, Gastroenterology | 207RG0100X | 94846 | SC |
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 - Gastroenterology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 361 |
|---|---|
| Services billed | 6,266 across 43 procedure codes |
| Paid by Medicare | $160,273 |
Part D prescriptions in 2024
| Prescriptions (claims) | 586 · 959 30-day fills |
|---|---|
| Patients | 203 |
| Total drug cost | $65,324 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Eastern Virginia Medical School |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Augusta Medical GroupFishersville, VA · 419 clinicians
- Uva Community Health Medical Group LLCBristow, VA · 340 clinicians
- Rmh Medical Group LLCRockingham, VA · 256 clinicians
- Martha Jefferson Medical Group LLCZion Crossroads, VA · 195 clinicians
- Gastroenterology Associates VA, LLCWarrenton, VA · 51 clinicians
Hospital affiliations
- Augusta HealthFishersville, VA
- Sentara Martha Jefferson HospitalCharlottesville, VA
- Sentara Rmh Medical CenterHarrisonburg, VA
- Uva Health Haymarket Medical CenterHaymarket, VA
- Uva Health Prince William Medical CenterManassas, VA
Industry payments (Open Payments)
- 2025$806.74 · 26 payments from 11 companies
- 2024$642.09 · 24 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $297.38 | 10 |
| Intuitive Surgical, Inc. | $126.59 | 1 |
| Genzyme Corporation | $80.30 | 3 |
| Ardelyx, Inc. | $65.95 | 3 |
| Pfizer Inc. | $55.77 | 2 |
What the 2025 payments were for
- Food and Beverage$806.74 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Gastroenterology providers in Virginia →