Dr. Rex Tong Hyun Chung, MD

Dr. Chung practices at Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System.

Dr. Chung's NPI, 1003021882, was assigned on May 14, 2007. Dr. Chung graduated from Icahn School Of Medicine At Mount Sinai in 2005. Dr. Chung holds California license A99992.

Dr. Chung's primary practice is Cedars-Sinai Medical Center, at 8700 Beverly Blvd, Los Angeles, CA 90048 in Los Angeles County. The practice phone is (310) 423-5000.

Dr. Chung's primary practice is Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System. The medical group on file is Cedars-Sinai Medical Center.

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

Surgical critical care is Dr. Chung's primary specialty in the NPI Registry, under taxonomy code 2086S0102X. Dr. Chung is board certified in surgical critical care by the American Board of Emergency Medicine. Dr. Chung is licensed in California.

CMS data shows 585 Medicare services from Dr. Chung across 7 procedure codes in 2024, for 309 Medicare patients. Medicare paid $65,858 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 309 Medicare patients who saw Dr. Chung in 2024. The largest group is 75 to 84, with 116 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 51% are also on Medicaid. Their average risk score is 3.04, 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. Chung's median patient age at 53, with 45% women.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Chung for performance year 2024, reported as part of a group. Dr. Chung accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 4 papers to Dr. Chung, published from 2013 to 2025. The most frequent topics are Wounds and Injuries. Dr. Chung's most frequent co-authors are Galinos Barmparas, MD, Nicolas Melo, MD, MS and Douglas Zhi-Wen Liou, MD.

CMS Open Payments shows 64 general payments to Dr. Chung from 9 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 46% of the total. Intuitive Surgical, Inc. paid the most, $11,478.

Dr. Chung graduated from Icahn School Of Medicine At Mount Sinai in 2005.

Dr. Chung is in network with 13 carriers, including Elevance, 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.