Dr. Ellen Yulin Chang, MD

Dr. Chang practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA.

Dr. Chang's NPI, 1427450212, was assigned on September 23, 2014. Dr. Chang graduated from WashU Medicine in 2014. Dr. Chang holds California license A168940.

Dr. Chang's primary practice is Zuckerberg San Francisco General Hospital and Trauma Center, at 1001 Potrero Avenue, San Francisco, CA 94110 in San Francisco County. The practice phone is (415) 206-8000.

Dr. Chang's primary practice is Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA. Dr. Chang is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is UCSF Department of Radiology & Biomedical Imaging. Dmand AI also links Dr. Chang to 4 more hospitals and 4 medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 6 sites in all. Vendor and product names are available with a free account.

Diagnostic radiology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Chang is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Chang's licenses on file in 5 states: California, Missouri, New Hampshire, Vermont and Massachusetts.

CMS data shows 5,581 Medicare services from Dr. Chang across 45 procedure codes in 2024, for 3,019 Medicare patients. Medicare paid $42,132 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 3,019 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 1,497 patients. 73% of them have high blood pressure, and 56% have high cholesterol. 90% are also on Medicaid. Their average risk score is 1.87, 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 67, with 37% women.

Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 3 papers to Dr. Chang, published from 2021 to 2025. Dr. Chang's most frequent co-authors are Michael Jason Beebe, MD, Bryce David Beutler and Julius Anthony Bishop, MD.

CMS Open Payments shows 3 general payments to Dr. Chang from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Merz North America, Inc. paid the most, $67.

Dr. Chang graduated from WashU Medicine in 2014.

Dr. Chang is in network with 2 carriers, including CMS Medicare and VT State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.