Karen Simon, MD

Karen Simon, MD


Dr. Karen Simon received her B.A. from Stanford University in 1996. She then attended Northwestern University for medical school. She completed her residency at Cedars-Sinai Medical Center in 2004 and her fellowship at UCLA and Cedars in 2008.

Dr. Simon has proudly been serving patients in Ventura County since 2008 and is very involved in field research. Dr. Simon is also a speaker for Exact Sciences on behalf of Cologuard and is actively associated in research studies. Additionally, she is a part of the Takeda Chloride Channel Council and a speaker for Amitiza, as well.

She enjoys educating the doctors and the community as a lecturer on topics such as colorectal cancer screening at St. John’s Hospital, where she is also a part of the Ethics Committee.

When Dr. Simon is not treating patients, she enjoys spending time with her husband and two children.

Treatment Philosophy
Dr. Simon aims specifically to work with patients to discover the problem and develop a treatment strategy. She has a particular interest in Celiac Disease, Inflammatory Bowel Disease (IBD), and a passion for improving colorectal cancer detection.
She is dedicated to developing a relationship with patients by utilizing education and mutual information sharing.
Specialties and Services
  • General GI – interest in IBD (Inflammatory Bowel Disease)
  • Colonoscopy
  • ERCP (Endoscopic Retrograde Cholangiopancreatography)
  • Upper Endoscopy
  • Colon Cancer Screening
  • PEG Placement, Change and Removal (G-Tube)
  • Endoscopic Ultrasound
  • Online Video Visits
Online Video Visits
Dr. Karen Simon is able to offer online tele-health services for patients who want to see or speak to the provider from the comfort of their home. Please contact our office at 805.983.0521 to schedule an appointment.
  • English
Education & Training
  • Fellowship: Harbor General Hospital
  • Residency: Harbor General Hospital
  • MD: Wayne State University School of Medicine
Camarillo Office
4005 Mission Oak Blvd., Unit A
Camarillo, CA 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