Radiation Oncology providers in California
88 Radiation Oncology surgeons and proceduralists in California are affiliated with ambulatory surgery centers as of July 2026, ranking California #2 of 44 states for the specialty. Los Angeles (10), San Diego (9), Orange (5) hold 27% of them. Every name below opens a profile with credential, NPI, and surgery-center affiliations.
Verified directory maintained by DataLily AI. Also in California: all surgeons · 2,347 surgery centers.
- Providers
- 88
- 0 with listed ASC affiliations
- Cities
- 42
- largest: Los Angeles
- State rank
- #2
- of 44 states for Radiation Oncology
- Centers in California
- 0
- with this specialty on the panel
All Radiation Oncology providers in California, by city
88 providers across 42 cities, largest city first. The number after each name is how many surgery centers the provider is affiliated with.
Sherman Oaks3
Burbank2
Fountain Valley2
La Mesa2
Los Gatos2
Palo Alto2
Santa Monica2
South Pasadena2
West Hollywood2
Wildomar2
Apple Valley1
Arcadia1
Concord1
Corona1
Duarte1
Fullerton1
Glendale1
Laguna Hills1
Long Beach1
Mission Hills1
Mission Viejo1
Newport Beach1
Pasadena1
Redwood City1
San Bernardino1
San Jose1
San Luis Obispo1
Santa Ana1
Stanford1
Visalia1
Vista1
West Hills1
Other specialties in California
Radiation Oncology in other states
How many Radiation Oncology providers in California work at ambulatory surgery centers?
88 Radiation Oncology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot (updated July 2026), which ranks California #2 of 44 states for the specialty.
Which California cities have the most Radiation Oncology providers?
Los Angeles (10), San Diego (9), Orange (5) lead, with 27% of the state's ASC-affiliated Radiation Oncology providers between them. 42 California cities have at least one.
How do I find a Radiation Oncology provider in California?
Use the city list on this page: providers are grouped by practice city, and each name opens a profile with credential, NPI, and surgery-center affiliations. For a different specialty in California, or Radiation Oncology in another state, use the links at the bottom of the page.
Credentials on record in California: MD 79 · DO 2 · MD,PHD 1 · MD/PHD 1.
Specialty and practice location reflect each provider’s registry record and can change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.