Clinicians affiliated with Anesthesia Specialists Of Orange County Inc

16 clinicians on file with this group · most practice in Los Angeles-Long Beach-Anaheim, CA · PAC ID 9830289388

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

16 clinicians affiliated with Anesthesia Specialists Of Orange County Inc are in the 2024 Medicare Part B data, 13 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Anesthesiology (13) · Certified Registered Nurse Anesthetist (CRNA) (3)

Specialty links go to the specialty in Los Angeles-Long Beach-Anaheim, CA.

Clinicians affiliated with Anesthesia Specialists Of Orange County Inc, 2024

Alphabetical by last name; 16.

NameSpecialtyCity
Andrew Lester C Chua, CRNACertified Registered Nurse Anesthetist (CRNA)Nellis Afb, NV
Charles Dai, M.D.AnesthesiologyCorona, CA
Alireza C Farrohi, M.D.AnesthesiologyLos Angeles, CA
Ernesto P Gidaya, MDAnesthesiologyAnaheim, CA
Nishani C GunasekeraAnesthesiologyHouston, TX
Gary C Kao, MDAnesthesiologyGarden Grove, CA
Edward S Kwon, MDAnesthesiologyMonterey Park, CA
Xiaodong Li, M.D.AnesthesiologyFountain Valley, CA
Carmelita H Mapoy, M.D.AnesthesiologyLong Beach, CA
Bill M Matheis, C.R.N.A.Certified Registered Nurse Anesthetist (CRNA)Corona, CA
Mohammed Naji, M.DAnesthesiologyGlendora, CA
Bruce J Reitman, MDAnesthesiologyLos Angeles, CA
Evan ScheierCertified Registered Nurse Anesthetist (CRNA)Anaheim, CA
Tristyn V St. Thomas-AchojaAnesthesiologyAnaheim, CA
Alva T Verde, MDAnesthesiologyAnaheim, CA
Guosheng Wu, MDAnesthesiologyAnaheim, CA

Practice locations

Listed practice locations in California.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations