Michael Steven Santillan, PA-C

Michael Santillan practices at Pacific Neuropsychiatric Specialists Inc. in Mission Viejo, California.

Michael Santillan's NPI, 1861139628, was assigned on May 13, 2022. Michael Santillan holds California license PA61412.

Michael Santillan's primary practice is Pacific Neuropsychiatric Specialists Inc., at 26024 Acero, Mission Viejo, CA 92691 in Orange County. The practice phone is (714) 545-5550.

Michael Santillan's primary practice is Pacific Neuropsychiatric Specialists Inc. in Mission Viejo, California. The medical group on file is Pacific Neuropsychiatric Specialists. Dmand AI also links Michael Santillan 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 Michael Santillan practices. Vendor and product names are available with a free account.

Physician assistant is Michael Santillan's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Santillan is licensed in California.

Dmand AI lists anxiety, bipolar disorder, intellectual and developmental disabilities and schizophrenia among the conditions Michael Santillan treats.

CMS data shows 285 Medicare services from Michael Santillan across 3 procedure codes in 2024, for 37 Medicare patients. Medicare paid $17,405 for them. Every service was in an office.

CMS counts 37 Medicare patients who saw Michael Santillan in 2024. The largest group is under 65, with 16 patients. 75% of them have anxiety, and 75% have depression. 46% are also on Medicaid. Their average risk score is 1.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Michael Santillan's median patient age at 36, with 39% women.

In 2024, Michael Santillan wrote 1,578 Medicare Part D claims for 97 patients. 88% of them were for generic drugs. CMS names the drug for 1,429 of them, across 44 drugs with 11 or more claims each, at $397,997 in total drug cost.

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

CMS Open Payments shows 227 general payments to Michael Santillan from 21 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $861.