Catherine Marie Chang, M.D.
NPI 1689620429ActiveIndividual· Internal Medicine, Pulmonary Disease· Greenville, SC
Internal Medicine, Pulmonary Disease (M.D.) in Greenville, South Carolina, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1999). Medicare paid $832.31 for services to 13 patients in 2024. Siemens Medical Solutions USA, Inc. reported $129.97 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1689620429 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 25, 2006 |
| Last updated in NPPES | Mar 22, 2024 |
| Certified by provider | Mar 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 27778 | SC |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 27778 | SC |
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 - Pulmonary Disease (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 13 |
|---|---|
| Services billed | 15 across 3 procedure codes |
| Paid by Medicare | $832.31 |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Pulmonary Disease |
Medical group
- Prisma Health University Medical GroupGreenville, SC · 2,493 clinicians
Hospital affiliation
- Prisma Health Greenville Memorial HospitalGreenville, SC
Industry payments (Open Payments)
- 2025$129.97 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | $129.97 | 1 |
What the 2025 payments were for
- Food and Beverage$129.97 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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