Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Timothy A. Oconnor, MD

Individual provider Radiation Oncology Physician · NPI 1982669396

Dr. Timothy A. Oconnor, MD is a Radiation Oncology in Oxnard, California. Graduated from University of South Florida College of Medicine in 1985, 41 years ago. Practices with Ventura County Radiation Oncology Medical Group, Inc, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
41
Trained at
University of South Florida College of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1700 N Rose Ave Ste 120
Oxnard, CA 93030-3790
Phone: (805) 988-2657
Fax: (805) 981-4456
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence G58104 (CA)

Record details

NPI number1982669396
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 19, 2006
Last updated in NPPESJune 7, 2010
Mailing address1700 N Rose Ave, Suite 120, Oxnard, CA 93030-3790

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF SOUTH FLORIDA COLLEGE OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Ventura County Radiation Oncology Medical Group, Inc. — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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