Andrew Trevor Williamson

Andrew Williamson practices at Sharp Memorial Hospital in San Diego, California, part of Sharp HealthCare.

Andrew Williamson's NPI, 1437579422, was assigned on April 17, 2014. Andrew Williamson graduated from Tufts University School of Medicine in 2014. Andrew Williamson holds California license A144673.

Andrew Williamson's primary practice is Sharp Memorial Hospital, at 7901 Frost St, San Diego, CA 92123 in San Diego County. The practice phone is (858) 939-3400.

Andrew Williamson's primary practice is Sharp Memorial Hospital in San Diego, California, part of Sharp HealthCare. The medical group on file is Emergency Services Medical Corporation. Dmand AI also links Andrew Williamson to 1 more medical group, named with a free account.

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

Emergency medicine is Andrew Williamson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Andrew Williamson is licensed in California.

CMS data shows 369 Medicare services from Andrew Williamson across 4 procedure codes in 2024, for 232 Medicare patients. Medicare paid $31,929 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 232 Medicare patients who saw Andrew Williamson in 2024. The largest group is 75 to 84, with 75 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 51% are also on Medicaid. Their average risk score is 2.48, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Andrew Williamson's median patient age at 51, with 60% women.

In 2024, Andrew Williamson wrote 211 Medicare Part D claims for 131 patients. 96% of them were for generic drugs. CMS names the drug for 118 of them, across 6 drugs with 11 or more claims each, at $834 in total drug cost. In 2023, CMS named 179 claims across 9 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Andrew Williamson for performance year 2024, reported as part of a group. Andrew Williamson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 2 general payments to Andrew Williamson from 2 drug and device companies from 2021 to 2024. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $141.

Andrew Williamson graduated from Tufts University School of Medicine in 2014.