Clinicians affiliated with Avalon Medical Development Corporation

30 clinicians on file with this group · most practice in Los Angeles-Long Beach-Anaheim, CA · PAC ID 1850283995

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

15 clinicians affiliated with Avalon Medical Development Corporation are in the 2024 Medicare Part B data, 14 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 · Emergency Medicine (11) · Critical Care (Intensivists) (1) · Diagnostic Radiology (1) · Family Practice (1) · Nurse Practitioner (1)

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

Clinicians affiliated with Avalon Medical Development Corporation, 2024

Alphabetical by last name; 15.

NameSpecialtyCity
Isabel M Algaze-Gonzalez, M.D.Emergency MedicineBoston, MA
Matthew C Byrnes, MDCritical Care (Intensivists)Wichita, KS
Santa A Dominguez, FNPNurse PractitionerAvalon, CA
John C Fox, MDEmergency MedicineOrange, CA
Megan E Guy, MDEmergency MedicineOrange, CA
Nikita K Joshi, MDEmergency MedicineOrange, CA
Robert J Katzer, M.D.Emergency MedicineOrange, CA
Lauren E LamparterEmergency MedicineOrange, CA
Daniel O LareauxEmergency MedicineOrange, CA
James Lin, M.D.Diagnostic RadiologyWest Covina, CA
Joshua K Livingston, MDEmergency MedicineOrange, CA
Edwin T Mcgroarty, M.D.Family PracticeAvalon, CA
Megan B Osborn, M.D.Emergency MedicineOrange, CA
Inna Shniter, M.D.Emergency MedicineOrange, CA
Tze Lyn S Tseeng, M.D.Emergency MedicineChicago, IL

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