Dr. Tracy Yun-Shin Chang, MD

Dr. Chang practices at California Rehabilitation Institute in Los Angeles, California, part of Select Medical Holdings.

Dr. Chang's NPI, 1730576687, was assigned on April 17, 2015. Dr. Chang graduated from New York Medical College in 2015. Dr. Chang holds California license 171842.

Dr. Chang's primary practice is California Rehabilitation Institute, at 2070 Century Park East, Los Angeles, CA 90067 in Los Angeles County. The practice phone is (424) 363-1000.

Dr. Chang's primary practice is California Rehabilitation Institute in Los Angeles, California, part of Select Medical Holdings. Dr. Chang is also affiliated with Cedars-Sinai Medical Center. The medical group on file is UCLA Neurology. Dmand AI also links Dr. Chang to 1 more hospital and 1 physician office, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 4 sites in all. Vendor and product names are available with a free account.

Neurology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Chang is board certified in brain injury medicine by the American Board of Psychiatry and Neurology. Dr. Chang is licensed in California.

CMS data shows 571 Medicare services from Dr. Chang across 4 procedure codes in 2024, for 83 Medicare patients. Medicare paid $47,985 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 83 Medicare patients who saw Dr. Chang in 2024. The largest group is 75 to 84, with 28 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 2.75, 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 74, with 48% women.

In 2024, Dr. Chang wrote 444 Medicare Part D claims for 80 patients. 90% of them were for generic drugs. CMS names the drug for 163 of them, across 10 drugs with 11 or more claims each, at $7,481 in total drug cost. In 2023, CMS named 210 claims across 13 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Chang for performance year 2024, reported as part of a group. CMS lists Dr. Chang as offering telehealth.

Dmand AI links 1 paper to Dr. Chang. Dr. Chang's most frequent co-author is Loretta Staudt.

CMS Open Payments shows 2 general payments to Dr. Chang from 2 drug and device companies from 2021 to 2025. Grants make up the largest share, 70% of the total. Sanofi and Genzyme US Companies paid the most, $214.

Dr. Chang graduated from New York Medical College in 2015.

Dr. Chang is in network with 12 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.