Amir R. Ahmed, M.D.
NPI 1205824810ActiveIndividual· Internal Medicine, Gastroenterology· Columbia, SC
Internal Medicine, Gastroenterology (M.D.) with Southern Illinois Medical Services Nfp and 2 other groups, practicing in Columbia, South Carolina. Mostly services rather than prescriptions: Medicare paid $50,893 for 243 patients in 2024, with only 43 Part D claims. Merit Medical Systems Inc was the largest of 3 companies reporting payments in 2025, $86.92 in all, mostly food and beverage. Lists Citizens Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1205824810 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 7, 2005 |
| Last updated in NPPES | May 18, 2026 |
| Certified by provider | May 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | L8585 | TX |
| Internal Medicine, Gastroenterology | 207RG0100X | 39148 | SC |
| Internal Medicine, Gastroenterology | 207RG0100X | 52921 | TN |
| Internal Medicine, Gastroenterology | 207RG0100X | 2013-00585 | NC |
| Internal Medicine, Gastroenterology | 207RG0100X | 036171841 | IL |
| Internal Medicine, Gastroenterology | 207RG0100X | 2022014629 | MO |
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 (IL); Practitioner - Gastroenterology (MO); Practitioner - Gastroenterology (NM); Practitioner - Gastroenterology (TX); Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 243 |
|---|---|
| Services billed | 538 across 50 procedure codes |
| Paid by Medicare | $50,893 |
Part D prescriptions in 2024
| Prescriptions (claims) | 43 · 54 30-day fills |
|---|---|
| Patients | 30 |
| Total drug cost | $4,291 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Southern Illinois Medical Services NfpCarterville, IL · 334 clinicians
- Health and Wellness Solutions PAKaty, TX · 7 clinicians
- Advanced Southern Gastroenterology PLLCFulshear, TX · 2 clinicians
Hospital affiliations
- Citizens Medical CenterVictoria, TX
- Corpus Christi Medical Center,theCorpus Christi, TX
- De Tar Hospital NavarroVictoria, TX
- Herrin HospitalHerrin, IL
- St Joseph Memorial HospitalMurphysboro, IL
Industry payments (Open Payments)
- 2025$86.92 · 3 payments from 3 companies
- 2024$42.23 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merit Medical Systems Inc | $48.86 | 1 |
| Kyowa Kirin, Inc. | $23.10 | 1 |
| Cycle Pharmaceuticals Inc | $14.96 | 1 |
What the 2025 payments were for
- Food and Beverage$86.92 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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