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Therapeutic Radiology in California

Data updated monthly · Last refresh August 2026

28 Therapeutic Radiology providers practice in California, including 3 (11%) offering telehealth. The largest concentration is in Orange. Profiles include Medicare quality scores where available.

28providers
3telehealth
Orangetop city

Therapeutic Radiology providers by city in California

Orange2 providers
San Francisco2 providers
San Clemente2 providers
Los Angeles2 providers
Santa Rosa2 providers
Palo Alto2 providers
Carmel1 providers
Torrance1 providers

Highest rated Therapeutic Radiology providers in California

Dr. Dave Yamauchi, MD
Duarte, CA · Quality score 99/100 · (626) 359-8111
Dr. Robert Johnson, M.D.
San Luis Obispo, CA · Quality score 79/100 · Telehealth · (805) 541-1932
Dr. Mack Roach, M.D.
San Francisco, CA · Quality score 75/100 · (415) 353-7175
Dr. Thavinsakdi Viravathana, M.D.
Hemet, CA · (951) 537-6002
Dr. Narayana Memula, M.D.
San Bernardino, CA · (909) 887-8800
Dr. Henry Wong, M.D.
Stockton, CA · (209) 467-6335
Dr. Steve Benak, M.D.
Riverbank, CA · (209) 869-4850
Dr. Ralph Hanahan, M.D.
Santa Rosa, CA · (707) 522-6875
Dr. Nilam S Ramsinghani, MD
Orange, CA · (714) 456-8978
Dr. Ronald Van Roy, M.D.
Santa Rosa, CA · (707) 525-1150
Dr. Owen Kim, M.D.
Porterville, CA · (559) 788-6175
Dr. Joan Ryoo, MD, MSHS
Los Angeles, CA · Telehealth · (323) 783-2841
Dr. Neena P Shah, MD
Orange, CA · (714) 456-8978
Dr. Gordon Ray, MD
Palo Alto, CA · (650) 853-2954
Dr. Pauling Chang, MD
Sunnyvale, CA · Telehealth · (408) 730-2820
Dr. John Clark, M.D.
Redding, CA · (530) 246-4971
Dr. Don Goffinet, M.D.
Palo Alto, CA · (650) 723-5714
Dr. Michael Senikowich, M.D.
Los Angeles, CA · (323) 865-3050
Dr. Dwight Stickney, M.D.
Granite Bay, CA · (916) 600-5116
Dr. Bryan Leigh, M.D.
San Clemente, CA · (949) 248-4547

Common questions

How many Therapeutic Radiology providers are in California?

There are 28 Therapeutic Radiology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Therapeutic Radiology providers in California offer telehealth?

Yes. 3 of the 28 Therapeutic Radiology providers in California (about 11%) report offering telehealth services in CMS data.

Which cities in California have the most Therapeutic Radiology providers?

Orange (2), San Francisco (2), San Clemente (2) have the highest concentration of Therapeutic Radiology providers in California.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files, including MIPS quality scores where available. The directory refreshes monthly.

Related reading on HealthcareDiscovery.AI

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Sources: NPPES (CMS), Doctors and Clinicians national files, MIPS. Updated monthly. This directory is informational and not medical advice. Are you a Therapeutic Radiology in California? Get featured.