Aminur Rahman Khan, M.D.
NPI 1114009263ActiveIndividual· Internal Medicine, Gastroenterology· Baltimore, MD
Internal Medicine, Gastroenterology (M.D.) in Baltimore, Maryland, trained at Northeastern Ohio University College of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $785,555 for 4,413 claims, against $203,809 paid for services in 2024. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $2,172 in all, mostly food and beverage.
Overview
| NPI | 1114009263 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 19, 2006 |
| Last updated in NPPES | Feb 4, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | D0058291 | MD |
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 - Gastroenterology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,058 |
|---|---|
| Services billed | 1,552 across 42 procedure codes |
| Paid by Medicare | $203,809 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,413 · 8,038 30-day fills |
|---|---|
| Patients | 1,097 |
| Total drug cost | $785,555 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Northeastern Ohio University College of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Chesapeake Digestive Associates, PCColumbia, MD · 38 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$2,172 · 107 payments from 20 companies
- 2024$12,791 · 164 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $439.12 | 26 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $202.02 | 9 |
| Phathom Pharmaceuticals, Inc. | $199.21 | 9 |
| Takeda Pharmaceuticals U.S.A., Inc. | $195.32 | 8 |
| Janssen Biotech, Inc. | $188.86 | 10 |
What the 2025 payments were for
- Food and Beverage$2,172 · 107 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 166 gastroenterologists in Baltimore · All gastroenterologists in Maryland