Moustafa Said Ahmed, M.D.
NPI 1225182751ActiveIndividual· Internal Medicine, Gastroenterology· Frederick, MD
Internal Medicine, Gastroenterology (M.D.) in Frederick, Maryland, trained at George Washington University School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $298,008 for 1,492 claims, against $111,924 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 17 companies reporting payments in 2025, $892.08 in all, mostly food and beverage.
Overview
| NPI | 1225182751 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 22, 2007 |
| Last updated in NPPES | Jun 27, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | D0065427 | MD |
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 - Gastroenterology (DC); Practitioner - Gastroenterology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 512 |
|---|---|
| Services billed | 1,163 across 14 procedure codes |
| Paid by Medicare | $111,924 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,492 · 2,506 30-day fills |
|---|---|
| Patients | 367 |
| Total drug cost | $298,008 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Gastroenterology |
Medical group
- Digestive Disease Solutions LLCGermantown, MD · 3 clinicians
Hospital affiliations
- Frederick Health HospitalFrederick, MD
- Meritus Medical CenterHagerstown, MD
Industry payments (Open Payments)
- 2025$892.08 · 37 payments from 17 companies
- 2024$1,254 · 53 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $145.07 | 9 |
| Saluda Medical Americas, Inc. | $112.73 | 1 |
| Genzyme Corporation | $76.56 | 3 |
| Pfizer Inc. | $73.70 | 3 |
| Exact Sciences Corporation | $72.52 | 3 |
What the 2025 payments were for
- Food and Beverage$892.08 · 37 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 gastroenterologists in Frederick · All gastroenterologists in Maryland