Dr. Yijun Chen, MD

Dr. Chen practices at Peter Morton UCLA Medical Building in Los Angeles, California.

Dr. Chen's NPI, 1285860023, was assigned on June 8, 2009. Dr. Chen graduated from Fourth Military Medical University in 1995. Dr. Chen's California license number on file is A109682.

Dr. Chen's primary practice is Peter Morton UCLA Medical Building, at 200 Medical Plz, Los Angeles, CA 90024 in Los Angeles County. The practice phone is (310) 794-9206.

Dr. Chen's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Dr. Chen is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Associated General Surgeons. Dmand AI also links Dr. Chen to 1 more hospital and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 3 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Chen is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Chen's licenses on file in 2 states: California and North Carolina.

Dmand AI lists bariatric surgery, colon removal, esophagus, stomach, or upper small intestine surgery, gastrointestinal obstruction, groin hernia surgery and upper GI endoscopy among the conditions Dr. Chen treats.

CMS data shows 165 Medicare services from Dr. Chen across 4 procedure codes in 2024, for 199 Medicare patients. Medicare paid $27,959 for them.

CMS counts 199 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 51% are also on Medicaid. Their average risk score is 1.81, 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. Chen's median patient age at 50, with 59% women.

In 2024, Dr. Chen wrote 28 Medicare Part D claims for 18 patients. 86% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $206 in total drug cost. In 2019, CMS named 13 claims across 1 drug.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Chen for performance year 2024, reported as part of a group. Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth. CMS counts 21 procedures of hernia repair (minimally invasive) by Dr. Chen, more than 89% of the clinicians it reports for that procedure.

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 3 papers to Dr. Chen in 2021. Dr. Chen's most frequent co-authors are Ambar Banerjee, MD, Gregory F. Dakin, MD and Kunoor Jain-Spangler, MD.

CMS Open Payments shows 50 general payments to Dr. Chen from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 56% of the total. Amgen Inc. paid the most, $2,490.

Dr. Chen graduated from Fourth Military Medical University in 1995.

Dr. Chen is in network with 15 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.