Dr. Andrew Luke Chang, MD

Dr. Chang practices at Proton Doctors Professional Corporation in San Diego, California.

Dr. Chang's NPI, 1255513859, was assigned on December 5, 2007. Dr. Chang graduated from Loma Linda University School Of Medicine in 2002. Dr. Chang holds Oklahoma license 29428.

Dr. Chang's primary practice is Proton Doctors Professional Corporation, at 9710 Summers Ridge Rd, San Diego, CA 92121 in San Diego County. The practice phone is (858) 549-7400.

Dr. Chang's primary practice is Proton Doctors Professional Corporation in San Diego, California. The medical group on file is Proton Doctors PC. Dmand AI also links Dr. Chang to 1 more group practice or clinic and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices. Vendor and product names are available with a free account.

Radiation oncology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Chang is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Chang's licenses on file in 6 states: Oklahoma, California, Tennessee, Virginia, Indiana and New York.

Dmand AI lists bladder cancer radiation, breast cancer radiation, cancer radiation-upper GI, colorectal cancer radiation, head & neck cancer radiation, lung cancer radiation and prostate cancer radiation among the conditions Dr. Chang treats.

CMS data shows 511 Medicare services from Dr. Chang across 5 procedure codes in 2024, for 141 Medicare patients. Medicare paid $257,661 for them. Every service was in an office.

CMS counts 141 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have cancer, and 62% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.57, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 68, with 28% women.

In 2021, Dr. Chang wrote 20 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $429 in total drug cost. In 2020, CMS named 13 claims across 1 drug.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 76 out of 100 for Dr. Chang for performance year 2024, reported as part of a group. Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 9 papers to Dr. Chang, published from 2010 to 2022. 2018 was the busiest year, with 2. Dr. Chang's most frequent co-authors are Ralph Philip Ermoian, MD, Daniel J. Indelicato, MD and Young Kwok, MD.

Dmand AI links Dr. Chang to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Breast Neoplasms and Breast Diseases.

CMS Open Payments shows 32 general payments to Dr. Chang from 15 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 57% of the total. Varian Medical Systems, Inc. paid the most, $8,112.

Dr. Chang graduated from Loma Linda University School Of Medicine in 2002.

Dr. Chang is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.