Dr. Robert D Hesselgesser MD Radiation Oncologist

Dr. Robert Hesselgesser is a radiation oncologist in Thousand Oaks, California and is affiliated with multiple hospitals in the area, including Los Robles Hospital and Medical Center and Simi Valley Hospital and Health Care Services. He received his medical degree from New York Medical College and has been in practice for 43 years. He is one of 3 doctors at Los Robles Hospital and Medical Center and one of 3 at Simi Valley Hospital and Health Care Services who specialize in Radiation Oncology.

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Office Location

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Specialty & Clinical Interests

Radiation Oncologist: General Radiation Oncology

Education & Medical Training

University of Southern California/LAC+USC Medical Center
Residency, Internal Medicine, 1971–1972

University of Southern California/LAC+USC Medical Center
Residency, Radiology, 1972–1975

New York Medical College
Class of 1971

Certifications & Licensure

American Board of Radiology
Certified in Therapeutic Radiology

CA State Medical License
Active through 2015

Publications & Presentations

Clinical experience with the oxytocin challenge test. 1972.
Ray, M., Freeman, R., Pine, S., Hesselgesser, R.

Clinical experience with the oxytocin challenge test.
Ray, M., Freeman, R., Pine, S., Hesselgesser, R.


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