St. Joseph Hospital of Orange
1100 West Stewart Dr, Orange, CA 92868714.633.9111
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Robert B Ash M.D.

Robert B Ash M.D.

(714) 734-6250
Primary Specialties
  • Radiation Oncology
     (Board Certified)
  • Affiliations
    St. Joseph Heritage Medical Group
    St. Joseph Hospital Affiliated Physicians
    Practice Started
    Primary Office
    1000 W. La Veta Ave.
    Orange, CA 92868
    (714) 734-6251
    Mon - Fri
    7:30AM - 5:30PM

    Web Page:

    Video Center

    Education & Training

    Medical School: Memorial University of Newfoundland School of Medicine - 1995
    Internship: The University of Western Ontario - 1996
    Residency: The University of Western Ontario - 2000
    Areas of Expertise
    Dr. Ash was the Chair of Undergraduate Medical Education for Oncology - University of Western Ontario, Chair of Thoracic Disease Site University of Western Ontario, and an Associate Professor at University of Western Ontario.

    Areas of Interest

    Thoracic Cancer
    Genitourinary Tumors
    Prostate Brachytherapy