Dr. Samuel Lo Chen, MD

Dr. Chen practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Dr. Chen's NPI, 1164786521, was assigned on June 30, 2012. Dr. Chen graduated from UC Irvine School of Medicine in 2012. Dr. Chen holds California license A129934.

Dr. Chen's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.

Dr. Chen's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. The medical group on file is UCI Health Physicians.

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

Vascular surgery is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. 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 Pennsylvania.

Dmand AI lists amputation, arterial blot clot /embolism, blood vessel access for dialysis, carotid revascularization, chronic skin ulcer, deep vein thrombosis (DVT), heart device and aorta surgery and leg revascularization among the conditions Dr. Chen treats.

CMS data shows 493 Medicare services from Dr. Chen across 13 procedure codes in 2024, for 284 Medicare patients. Medicare paid $46,001 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 284 Medicare patients who saw Dr. Chen in 2024. The largest group is 75 to 84, with 106 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 54% are also on Medicaid. Their average risk score is 3.94, 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 66, with 45% women.

In 2024, Dr. Chen wrote 39 Medicare Part D claims for 14 patients. 59% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $8,566 in total drug cost. In 2023, CMS named 13 claims across 1 drug.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Chen for performance year 2024, reported through an alternative payment model (APM). Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth. CMS counts 19 procedures of leg revascularization (restoring blood flow) by Dr. Chen, more than 79% of the clinicians it reports for that procedure.

Coronary artery bypass graft (CABG): 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)

Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 25 papers to Dr. Chen, published from 2014 to 2025. 2016 was the busiest year, with 6. The most frequent topics are Endovascular Procedures, Blood Vessel Prosthesis Implantation and Aortic Rupture. Dr. Chen has published most often in Ann Vasc Surg. Dr. Chen's most frequent co-authors are Roy Masami Fujitani, MD, Isabella Jade Kuo, MD and Nii-Kabu Kabutey, MD.

Dmand AI links Dr. Chen to 1 clinical trial. Conditions studied include Chronic Limb-Threatening Ischemia and Peripheral Arterial Disease.

CMS Open Payments shows 77 general payments to Dr. Chen from 15 drug and device companies from 2016 to 2025. Grants make up the largest share, 55% of the total. Medtronic Vascular, Inc. paid the most, $24,673.

Dmand AI lists 3 awards for Dr. Chen, most recently Golden Scalpel Award for Excellence in Fostering Learning in the Area of Surgery (Medical Student Faculty Award) in 2023.

Dr. Chen graduated from UC Irvine School of Medicine in 2012.

Dr. Chen is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.