Andrew Ching-Hung Chang, MD
NPI 1649286816ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Ann Arbor, MI
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) in Ann Arbor, Michigan, trained at Johns Hopkins University School of Medicine (class of 1993). Mostly services rather than prescriptions: Medicare paid $57,734 for 127 patients in 2024, with only 18 Part D claims.
Overview
| NPI | 1649286816 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 31, 2006 |
| Last updated in NPPES | Oct 7, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 4301075982 | MI |
| Surgery | 208600000X | 4301075982 | MI |
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 - Thoracic Surgery (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 127 |
|---|---|
| Services billed | 278 across 61 procedure codes |
| Paid by Medicare | $57,734 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18 · 24 30-day fills |
|---|---|
| Total drug cost | $1,901 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Thoracic Surgery |
| Secondary specialties | General Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
- Henry Ford Semi Medical GroupMacomb, MI · 240 clinicians
Hospital affiliations
- Trinity Health Oakland HospitalPontiac, MI
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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