Clinicians affiliated with Interventional Radiation Oncology Of California Inc
8 clinicians on file with this group · most practice in Redding, CA · PAC ID 7214315563
6 clinicians affiliated with Interventional Radiation Oncology Of California Inc are in the 2024 Medicare Part B data, 5 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 · Medical Oncology (2) · Hematology-Oncology (1) · Nurse Practitioner (1) · Radiation Oncology (1) · Surgical Oncology (1)
Specialty links go to the specialty in Redding, CA.
Clinicians affiliated with Interventional Radiation Oncology Of California Inc, 2024
Alphabetical by last name; 6.
| Name | Specialty | City |
|---|---|---|
| Joanne E Arnold, ANP, RN | Nurse Practitioner | Redding, CA |
| Donald P Lombardi, MD | Medical Oncology | Stanford, CA |
| Martin Majer, M.D. | Medical Oncology | Oroville, CA |
| Rizwan D Nurani, MD | Radiation Oncology | Apple Valley, CA |
| Geoffrey Osgood, MD | Surgical Oncology | Redding, CA |
| Vijay Rao, MD | Hematology-Oncology | Watertown, SD |
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