Austin Lee Chiang, MD, MPH
NPI 1104118843ActiveIndividual· Internal Medicine, Gastroenterology· Philadelphia, PA
Internal Medicine, Gastroenterology (MD, MPH) in Philadelphia, Pennsylvania, trained at Columbia University College of Physicians and Surgeons (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $37,074 for 66 claims, against $9,026 paid for services in 2024. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $325.16 in all, mostly food and beverage.
Overview
| NPI | 1104118843 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, MPH |
| Sole proprietor | Yes |
| NPI issued | May 13, 2011 |
| Last updated in NPPES | Oct 28, 2024 |
| Certified by provider | Oct 28, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD461083 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 51 |
|---|---|
| Services billed | 67 across 22 procedure codes |
| Paid by Medicare | $9,026 |
Part D prescriptions in 2024
| Prescriptions (claims) | 66 · 105 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $37,074 |
| Generic share | 65% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Gastroenterology |
Medical group
- Jefferson University PhysiciansPhiladelphia, PA · 1,531 clinicians
Hospital affiliation
- Thomas Jefferson University HospitalPhiladelphia, PA
Industry payments (Open Payments)
- 2025$325.16 · 2 payments from 2 companies
- 2024$25.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $173.68 | 1 |
| Steris Corporation | $151.48 | 1 |
What the 2025 payments were for
- Food and Beverage$325.16 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 252 gastroenterologists in Philadelphia · All gastroenterologists in Pennsylvania