Dr. Michael Yu Sy, MD

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

Dr. Sy's NPI, 1376835629, was assigned on May 4, 2011. Dr. Sy graduated from UC Irvine School of Medicine in 2011. Dr. Sy holds California license A124536.

Dr. Sy'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. Sy'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 also links Dr. Sy 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. Sy practices, 2 sites in all. Vendor and product names are available with a free account.

Neurology is Dr. Sy's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Sy is board certified in neurology by the American Board of Psychiatry and Neurology. Dr. Sy is licensed in California.

Dmand AI lists epilepsy, fibromyalgia and chronic pain, hereditary polyneuropathy, mobility impairment, multiple sclerosis, muscle pain, fibromyalgia, and limb pain and neuropathy among the conditions Dr. Sy treats.

CMS data shows 406 Medicare services from Dr. Sy across 4 procedure codes in 2024, for 164 Medicare patients. Medicare paid $29,257 for them.

CMS counts 164 Medicare patients who saw Dr. Sy in 2024. The largest group is 65 to 74, with 67 patients. 74% of them have high cholesterol, and 57% have high blood pressure. 38% are also on Medicaid. Their average risk score is 1.86, 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. Sy's median patient age at 52, with 69% women.

In 2024, Dr. Sy wrote 1,053 Medicare Part D claims for 133 patients. 67% of them were for generic drugs. CMS names the drug for 780 of them, across 26 drugs with 11 or more claims each, at $4,495,298 in total drug cost. In 2023, CMS named 845 claims across 27 drugs.

Dr. Sy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sy as offering telehealth.

Dmand AI links 13 papers to Dr. Sy, published from 2011 to 2025. 2020 was the busiest year, with 2. The most frequent topics are Multiple Sclerosis, Acetylglucosamine and Brain. Dr. Sy has published most often in Mult Scler Relat Disord. Dr. Sy's most frequent co-authors are Michael Demetriou, MD, Martin I. Belkin, DO and Julie Anne-Marie Burnham, DO.

Dmand AI links Dr. Sy to 8 clinical trials, 6 of them phase 3 studies. 6 are still active or recruiting. Conditions studied include Multiple Sclerosis, Demyelinating Autoimmune Diseases, CNS and Multiple Sclerosis, Chronic Progressive. Hoffmann-La Roche sponsors the most, 4.

CMS Open Payments shows 185 general payments to Dr. Sy from 15 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 45% of the total. Alexion Pharmaceuticals, Inc. paid the most, $46,900.

Dmand AI lists 1 award for Dr. Sy, most recently Marilyn Hilton Innovator Award in 2020.

Dr. Sy graduated from UC Irvine School of Medicine in 2011.

Dr. Sy is in network with 13 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.