Dr. Karen Chang, MD

Dr. Chang practices at St. Francis Medical Center in Lynwood, California, part of Prime Healthcare Services.

Dr. Chang's NPI, 1023026242, was assigned on August 3, 2006. Dr. Chang graduated from David Geffen School of Medicine at UCLA in 2003. Dr. Chang's California license number on file is A95327.

Dr. Chang's primary practice is St. Francis Medical Center, at 3630 East Imperial Highway, Lynwood, CA 90262 in Los Angeles County. The practice phone is (310) 900-8900.

Dr. Chang's primary practice is St. Francis Medical Center in Lynwood, California, part of Prime Healthcare Services. Dr. Chang is also affiliated with Cedars-Sinai Marina Hospital. The medical group on file is Vituity. Dmand AI also links Dr. Chang to 1 more medical group, 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.

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

Dmand AI lists electrolyte disorders, sepsis and stroke among the conditions Dr. Chang treats.

CMS data shows 417 Medicare services from Dr. Chang across 5 procedure codes in 2024, for 237 Medicare patients. Medicare paid $37,210 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 237 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 90 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 84% are also on Medicaid. Their average risk score is 3.15, 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 39, with 56% women.

In 2024, Dr. Chang wrote 176 Medicare Part D claims for 108 patients. 96% of them were for generic drugs. CMS names the drug for 79 of them, across 4 drugs with 11 or more claims each, at $328 in total drug cost. In 2023, CMS named 86 claims across 4 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 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 30 papers to Dr. Chang, published from 2003 to 2021. 2016 was the busiest year, with 3. The most frequent topics are Drosophila Proteins, Muscle Proteins and Neurons. Dr. Chang has published most often in Proc Natl Acad Sci U S A. Dr. Chang's most frequent co-authors are Karen Chang, DO and Juhyun Lee.

CMS Open Payments shows 8 general payments to Dr. Chang from 5 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 51% of the total. Abiomed paid the most, $969.

Dr. Chang graduated from David Geffen School of Medicine at UCLA in 2003. Dr. Chang is a member of ACEP.

Dr. Chang is in network with 9 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.