Peter D. Chang, MD
NPI 1841530458ActiveIndividual· Radiology, Neuroradiology· San Francisco, CA
Radiology, Neuroradiology (MD) in San Francisco, California, trained at Northwestern University Feinberg Medical School (class of 2012). Medicare paid $39,444 for services to 376 patients in 2024. Bayer Healthcare LLC reported $36.37 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1841530458 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Feb 18, 2013 |
| Last updated in NPPES | Mar 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Neuroradiology Primary | 2085N0700X | A150603 | CA |
| Radiology, Diagnostic Radiology | 2085R0202X | A150603 | CA |
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 - Diagnostic Radiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 376 |
|---|---|
| Services billed | 835 across 32 procedure codes |
| Paid by Medicare | $39,444 |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Diagnostic Radiology |
Medical group
- Uc RegentsOrange, CA · 108 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$36.37 · 1 payment from 1 company
- 2024$2,000 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare LLC | $36.37 | 1 |
What the 2025 payments were for
- Food and Beverage$36.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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