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Robert Hesselgesser, MD, Radiation Oncology, Orange, CA, Los Robles Health System

RobertDHesselgesserMD

Radiation Oncology Orange, CA

Physician

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Summary

  • Dr. Robert Hesselgesser, MD is a radiation oncologist in Orange, California. He is currently licensed to practice medicine in California, Indiana, and Michigan. He is affiliated with UCI Health, St. Mary Medical Center Long Beach, and Adventist Health Simi Valley.

Education & Training

  • University of Southern California/LAC+USC Medical Center
    University of Southern California/LAC+USC Medical CenterResidency, Radiology-Diagnostic, 1972 - 1975
  • University of Southern California/LAC+USC Medical Center
    University of Southern California/LAC+USC Medical CenterInternship, Internal Medicine, 1971 - 1972
  • New York Medical College
    New York Medical CollegeClass of 1971

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 1972 - 2025
  • MI State Medical License
    MI State Medical License 2018 - 2025
  • IN State Medical License
    IN State Medical License 2019 - 2025
  • CO State Medical License
    CO State Medical License 1975 - 1993
  • American Board of Radiology Therapeutic Radiology

Publications & Presentations

PubMed

Professional Memberships

Hospital Affiliations