Andrew Luke Chang, M.D.
NPI 1255513859ActiveIndividual· Radiology, Radiation Oncology· San Diego, CA
Radiology, Radiation Oncology (M.D.) in San Diego, California, trained at Loma Linda University School of Medicine (class of 2002). Medicare paid $280,341 for services to 141 patients in 2024. Boston Scientific Corporation was the largest of 3 companies reporting payments in 2025, $197.32 in all, mostly food and beverage.
Overview
| NPI | 1255513859 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 5, 2007 |
| Last updated in NPPES | Oct 23, 2025 |
| Certified by provider | Oct 23, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 85308 | CA |
| Radiology, Radiation Oncology | 2085R0001X | 29428 | OK |
| Radiology, Radiation Oncology | 2085R0001X | 01064419A | IN |
| Radiology, Radiation Oncology | 2085R0001X | MC-148 | GU |
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 - Radiation Oncology (CA); Practitioner - Radiation Oncology (GU); Practitioner - Radiation Oncology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 141 |
|---|---|
| Services billed | 689 across 18 procedure codes |
| Paid by Medicare | $280,341 |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Radiation Oncology |
| Secondary specialties | Hospice/Palliative Care |
Medical group
- Proton Doctors Professional CorporationSan Diego, CA · 12 clinicians
Industry payments (Open Payments)
- 2025$197.32 · 3 payments from 3 companies
- 2024$137.13 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $102.64 | 1 |
| Elekta, Inc. | $65.54 | 1 |
| Siemens Medical Solutions USA, Inc. | $29.14 | 1 |
What the 2025 payments were for
- Food and Beverage$197.32 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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