Dr. Daniel S. Chang, MD

Dr. Chang practices at Providence Medical Foundation in Yorba Linda, California.

Dr. Chang's NPI, 1962728022, was assigned on April 14, 2010. Dr. Chang graduated from The Johns Hopkins University School of Medicine in 2011. Dr. Chang holds California license A136417.

Dr. Chang's primary practice is Providence Medical Foundation, at 4300 Rose Dr, Yorba Linda, CA 92886 in Orange County. The practice phone is (714) 449-4900.

Dr. Chang's primary practice is Providence Medical Foundation in Yorba Linda, California. Dr. Chang is also affiliated with Providence St. Jude Medical Center. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Chang to 1 more group practice or clinic, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 2 sites in all. Vendor and product names are available with a free account.

Dermatology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Chang is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Chang's licenses on file in 2 states: California and North Carolina.

Dmand AI lists acute skin infection, benign or precancerous skin growths, cold sores or genital herpes, contact dermatitis, itchy rashes, psoriasis, rash and scalp rash among the conditions Dr. Chang treats.

CMS data shows 1,917 Medicare services from Dr. Chang across 13 procedure codes in 2024, for 361 Medicare patients. Medicare paid $72,556 for them. Every service was in an office.

CMS counts 361 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 175 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 72, with 47% women.

In 2024, Dr. Chang wrote 1,969 Medicare Part D claims for 612 patients. 96% of them were for generic drugs. CMS names the drug for 1,801 of them, across 30 drugs with 11 or more claims each, at $232,131 in total drug cost. In 2023, CMS named 1,562 claims across 30 drugs.

Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 697 procedures of removal of skin lesions by Dr. Chang, more than 90% of the clinicians it reports for that procedure.

Dmand AI links 2 papers to Dr. Chang, published from 2011 to 2015. Dr. Chang's most frequent co-author is Ashwin Agarwal, MD.

CMS Open Payments shows 306 general payments to Dr. Chang from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $1,699.

Dr. Chang graduated from The Johns Hopkins University School of Medicine in 2011.

Dr. Chang is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.