Troy Williamson

Troy Williamson practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Troy Williamson's NPI, 1750166591, was assigned on August 29, 2023. Troy Williamson holds California license PA63942.

Troy Williamson'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.

Troy Williamson's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Troy Williamson is also affiliated with UCI Health - Los Alamitos. The medical group on file is Vituity.

Dmand AI tracks the electronic health record (EHR) system at each site where Troy Williamson practices, 2 sites in all. Vendor and product names are available with a free account.

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

CMS data shows 91 Medicare services from Troy Williamson across 3 procedure codes in 2024, for 75 Medicare patients. Medicare paid $7,887 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 75 Medicare patients who saw Troy Williamson in 2026. The largest group is 65 to 74, with 32 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 41% are also on Medicaid. Their average risk score is 1.84, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Troy Williamson's median patient age at 37, with 58% women.

In 2026, Troy Williamson wrote 66 Medicare Part D claims for 45 patients. 98% of them were for generic drugs. CMS names the drug for 22 of them, across 2 drugs with 11 or more claims each, at $581 in total drug cost.