Clinicians affiliated with Austin J Ma MD A Professional Corporation
11 clinicians on file with this group · most practice in Los Angeles-Long Beach-Anaheim, CA · PAC ID 8325934482
11 clinicians affiliated with Austin J Ma MD A Professional Corporation are in the 2024 Medicare Part B data, 10 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 · Hematology-Oncology (10) · Nurse Practitioner (1)
Specialty links go to the specialty in Los Angeles-Long Beach-Anaheim, CA.
Clinicians affiliated with Austin J Ma MD A Professional Corporation, 2024
Alphabetical by last name; 11.
| Name | Specialty | City |
|---|---|---|
| Warren Banta, MD | Hematology-Oncology | Los Angeles, CA |
| Barbara Bellfield, NP | Nurse Practitioner | Oxnard, CA |
| Osagie Bello, M.D | Hematology-Oncology | Brawley, CA |
| Byung Lee, D.O | Hematology-Oncology | Los Angeles, CA |
| Austin J Ma, MD | Hematology-Oncology | Los Angeles, CA |
| Cynthia Martel, M.D. | Hematology-Oncology | Pasadena, CA |
| David P Masiello, M.D. | Hematology-Oncology | Los Angeles, CA |
| Rahul R Naik, M.D. | Hematology-Oncology | Los Angeles, CA |
| Warner Peng, MD | Hematology-Oncology | Oxnard, CA |
| Walter Tsang, MD | Hematology-Oncology | Highland, CA |
| Amy Q Wang, MD | Hematology-Oncology | 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