Dr. Lin Chang, MD

Dr. Chang practices at UCLA Medical Plaza in Los Angeles, California.

Dr. Chang's NPI, 1770518557, was assigned on July 11, 2006. Dr. Chang graduated from David Geffen School of Medicine at UCLA in 1986. Dr. Chang's California license number on file is G61634.

Dr. Chang's primary practice is UCLA Medical Plaza, at 5767 W Century Blvd, Los Angeles, CA 90045 in Los Angeles County. The practice phone is (310) 794-1276.

Dr. Chang's primary practice is UCLA Medical Plaza in Los Angeles, California. Dr. Chang is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA 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.

Gastroenterology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Chang is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Chang's licenses on file in 2 states: California and Minnesota.

Dmand AI lists acid reflux, chronic indigestion, gastroenteritis and irritable bowel syndrome (IBS) among the conditions Dr. Chang treats.

CMS data shows 106 Medicare services from Dr. Chang across 2 procedure codes in 2024, for 67 Medicare patients. Medicare paid $10,906 for them. Every service was in an office.

CMS counts 67 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 30 patients. 75% of them have arthritis, and 73% have high cholesterol. 18% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 54, with 74% women.

In 2024, Dr. Chang wrote 450 Medicare Part D claims for 56 patients. 59% of them were for generic drugs. CMS names the drug for 302 of them, across 13 drugs with 11 or more claims each, at $104,340 in total drug cost. In 2023, CMS named 296 claims across 14 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 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. CMS lists Dr. Chang as offering telehealth.

Dmand AI links 9 papers to Dr. Chang, published from 2009 to 2021. 2016 was the busiest year, with 2. Dr. Chang's most frequent co-authors are Douglas A. Drossman, MD, Michael L. Camilleri, MD and Michael Joseph Camilleri, MD.

CMS Open Payments shows 118 general payments to Dr. Chang from 21 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 70% of the total. Ironwood Pharmaceuticals, Inc paid the most, $35,246. It also lists 1 research payment totaling $7,500 in 2025.

Dmand AI lists 4 awards for Dr. Chang, most recently AGA Fellow in 2013.

Dr. Chang graduated from David Geffen School of Medicine at UCLA in 1986. Dr. Chang is a member of ACG and AGA.

Dr. Chang is in network with 14 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.