Ayaz J. Chaudhary, MD
NPI 1639289382ActiveIndividual· Internal Medicine, Gastroenterology· Aiken, SC
Internal Medicine, Gastroenterology (MD) with Trinity Health and 1 other group, practicing in Aiken, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $653,684 for 1,616 claims, against $101,664 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $438.35 in all, mostly food and beverage. Lists Aiken Regional Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1639289382 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Sep 23, 2025 |
| Certified by provider | Sep 23, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 26590 | SC |
| Internal Medicine, Gastroenterology | 207RG0100X | 9715 | ND |
| Internal Medicine, Gastroenterology | 207RG0100X | 044896 | GA |
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 (GA); Practitioner - Gastroenterology (ND); Practitioner - Gastroenterology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 532 |
|---|---|
| Services billed | 1,297 across 42 procedure codes |
| Paid by Medicare | $101,664 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,616 · 2,464 30-day fills |
|---|---|
| Patients | 478 |
| Total drug cost | $653,684 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Trinity HealthMinot, ND · 290 clinicians
- Aiken Professional Association LLCGraniteville, SC · 55 clinicians
Hospital affiliations
- Aiken Regional Medical CenterAiken, SC
- Trinity HospitalsMinot, ND
- Wellstar McG Health, Affiliated With Med ColAugusta, GA
Industry payments (Open Payments)
- 2025$438.35 · 26 payments from 9 companies
- 2024$463.40 · 24 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $184.95 | 11 |
| Phathom Pharmaceuticals, Inc. | $63.96 | 5 |
| Ardelyx, Inc. | $48.40 | 2 |
| Celltrion USA Inc. | $35.64 | 2 |
| Cook Medical LLC | $33.20 | 2 |
What the 2025 payments were for
- Food and Beverage$438.35 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Aiken
- 1518250414
- 1649209289
- 1740367705
- 1497719975
All Internal Medicine, Gastroenterology providers in South Carolina →