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Physician Profile

John C. Billesdon, MD

Serving Patients in
Camarillo & Oxnard
Make an Appointment
(805) 983-0521

Recent News

inSite Digestive Health Care is proud to announce its newest location in Lancaster, CA with Dr. Jatinder Pruthi!

About Dr. John C. Billesdon

Dr. John C. Billesdon graduated from Amherst College in Massachusetts with distinction in Biology. He received his M.D. degree from Wayne State University School of Medicine in Detroit, Michigan.

He completed his internship and residency at Harbor General Hospital in Torrance, California, as well as his fellowship.

Special Honors: Alpha Omega Alpha Honor Medical Society, Beta Chapter of Michigan; Resident of the Year Award, presented by the Intern Class of UCLA, Harbor General Hospital.



Treatment Philosophy

Dr. Billesdon strives to make his patients feel as comfortable as possible while receiving the highest quality gastroenterology care with compassion and respect.

Specialties and Services

General GI


Colon Cancer Screening

Upper Endoscopy

Professional Affiliations

American College of Gastrointestinal Endoscopy

American College of Gastroenterology

American College of Physicians

Office Location

Camarillo Office
4005 Mission Oak Blvd
Unit A
Camarillo, 93012
Phone: (805) 484-7921
Fax: (805) 388-5404

Oxnard Office
2241 Wankel Way, Suite A
Oxnard, CA 93030
Phone: (805) 983-0521
Fax: (805) 485-1484

Professional Publications

Lemkin, S.R., Billesdon, J.C., et al. Aspirin-Induced Oral Bleeding: Correction with Platelet Transfusion. Oral Medicine, Oral Surgery Pathology, 37:498, 1974.

Schofferman, J., Billesdon, J.C., Hall, R Microangiopathic Hemolytic Anemia, Another Complication of Drug Abuse. JAMA, 230:721, 1974.

Barry, R.E., Chow, A.W., Billesdon, J.C., et al. The Role of Intestinal Flora in Pseudo-Obstruction Following Jejunoileal Bypass, Gut. 1975.