

Oncology
Timothy Oconnor, M.D.
Radiation Oncology
Camarillo, CA
Dr. Timothy O'Connor is Chairman of the Cancer program at St. John's Regional Medical Center in Ventura County, California. He was a former assistant Clinical Professor at UCLA Medical Center after the completion of his residency at UCLA. He has a special interest in robotic 6D image guided radiotherapy and its application across a broad spectrum of malignancies including breast cancer, CNS malignancies, head and neck malignancies as well as GI and GU malignancies. Dr. O'Connor serves as Pres
40+
Years in Practice
Peer Recognition
- Castle Connolly — Top Doctor
2002-2026 (25 years)
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Radiation Oncology
Conditions & Treatments
Radiation Oncology
Practice Details
Hospital Affiliations
- Providence Health & Services
- St Johns Regional Medical Center
Experience
40+ years in practice