Clinicians affiliated with Vista Critical Care Associates Inc

15 clinicians on file with this group · most practice in Los Angeles-Long Beach-Anaheim, CA · PAC ID 8729479225

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 Vista Critical Care Associates Inc are in the 2024 Medicare Part B data, 15 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 · Pulmonary Disease (9) · Critical Care (Intensivists) (3) · Anesthesiology (2) · Emergency Medicine (1)

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

Clinicians affiliated with Vista Critical Care Associates Inc, 2024

Alphabetical by last name; 15.

NameSpecialtyCity
Arin Aboulian, MDPulmonary DiseaseGlendale, CA
Zulfiqar Ahmed, MDPulmonary DiseaseGlendale, CA
Roxanne Favis, DOAnesthesiologyLos Angeles, CA
Movses Hayrabedian, MDPulmonary DiseaseOxnard, CA
Tao He, M.D., PH.D.Pulmonary DiseaseSanta Monica, CA
Deon W Lau, M.D.Critical Care (Intensivists)Glendale, CA
Ramyar Mahdavi, M.D.Pulmonary DiseaseGlendale, CA
Astkhik Mangasarian, DOCritical Care (Intensivists)Loma Linda, CA
Ali Mehdizadeh, MDAnesthesiologyLoma Linda, CA
Catalin Nicola, M.D., PH.D.Pulmonary DiseaseValencia, CA
Julian F Reese, D.O.Pulmonary DiseaseGlendale, CA
Saeid Safaee, MDPulmonary DiseaseGlendale, CA
Leo M Shum, M.DEmergency MedicinePasadena, CA
Lusine Simonyants, M.D.Pulmonary DiseaseGlendale, CA
Jora ZaroukianCritical Care (Intensivists)Glendale, 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