Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Andrew Luke Chang, MD

Individual provider Radiation Oncology Physician · NPI 1255513859

Andrew Luke Chang, MD is a Radiation Oncology in San Diego, California. Graduated from Loma Linda University School of Medicine in 2002, 24 years ago. Practices with Proton Doctors Professional Corporation, a 13-clinician group and accepts Medicare assignment. Licensed in California, Guam, Indiana and Oklahoma.

Years since qualifying
24
Trained at
Loma Linda University School of Medicine
Licensed in
CA, GU, IN, OK
In the registry since
2007
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

9730 Summers Ridge Rd
San Diego, CA 92121-3101
Phone: (858) 549-7400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 85308 (CA)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 29428 (OK)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 01064419A (IN)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence MC-148 (GU)

Record details

NPI number1255513859
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 5, 2007
Last updated in NPPESOctober 23, 2025
Certification dateOctober 23, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Also practisesHOSPICE/PALLIATIVE CARE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Proton Doctors Professional Corporation — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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