Eileen Yuan Chang

Eileen Chang practices at Torrance Memorial Medical Center in Torrance, California, part of Cedars-Sinai Health System.

Eileen Chang's NPI, 1376746644, was assigned on June 6, 2007. Eileen Chang graduated from Feinberg School of Medicine in 2005. Eileen Chang's California license number on file is A111171.

Eileen Chang's primary practice is Torrance Memorial Medical Center, at 3330 Lomita Blvd, Torrance, CA 90509 in Los Angeles County. The practice phone is (310) 325-9110.

Eileen Chang's primary practice is Torrance Memorial Medical Center in Torrance, California, part of Cedars-Sinai Health System. Eileen Chang is also affiliated with Providence Little Company of Mary Medical Center Torrance. The medical group on file is MLK Community Medical Group. Dmand AI also links Eileen Chang to 3 more medical groups, each named with a free account.

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

Emergency medicine is Eileen Chang's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Eileen Chang is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Eileen Chang's licenses on file in 2 states: California and Massachusetts.

CMS data shows 421 Medicare services from Eileen Chang across 4 procedure codes in 2024, for 350 Medicare patients. Medicare paid $45,227 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 350 Medicare patients who saw Eileen Chang in 2024. The largest group is 65 to 74, with 141 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 63% are also on Medicaid. Their average risk score is 2.28, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Eileen Chang's median patient age at 48, with 60% women.

In 2024, Eileen Chang wrote 546 Medicare Part D claims for 251 patients. 96% of them were for generic drugs. CMS names the drug for 366 of them, across 8 drugs with 11 or more claims each, at $1,678 in total drug cost. In 2023, CMS named 378 claims across 9 drugs.

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

CMS Open Payments shows 2 general payments to Eileen Chang from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $25.

Eileen Chang graduated from Feinberg School of Medicine in 2005.

Eileen Chang is in network with 13 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.