Dr. Karen Simon, M.D. 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. She enjoys educating the doctors and the community as a lecturer on topics such as colorectal cancer screening at St. John's Hospital.
Dr. Karen Simon, M.D. 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. She enjoys educating the doctors and the community as a lecturer on topics such as colorectal cancer screening at St. John's Hospital.
The reviews listed below were collected independently of Unio Specialty Care through rater8. Each review represents an authentic and verified patient experience.
Excellent
(4 days ago)
Feb-2026
First time seeing her. She was efficient, from completing the questionnaire on-line, I felt she knew me and my situation.
I would highly recommend her.
(5 days ago)
Feb-2026
Very pleasant. Thorough, informative.
(1 week ago)
Feb-2026
Excellent compassionate Care!
(1 week ago)
Feb-2026
Dr Simon has the best bedside manner. She takes her time with her patients, answers all your questions, and explains things in a manner that you can understand.
(1 week ago)
Feb-2026
Very personable. She listens to what you have to say and discusses options with you. She’s helped me tremendously with controlling my G.I. issues.
(1 week ago)
Feb-2026
Always good service. Thanks
(2 weeks ago)
Feb-2026
She is excellent! Very knowledgeable, patient, professional. I would recommend her for a doctor!
(2 weeks ago)
Feb-2026
Excellent doctor! Dr Simon listens, explains, and educates. She is proactive and thorough. She has a very good bedside manner too…friendly, smiles easily, and is humorous.
(2 weeks ago)
Feb-2026
I have always felt very comfortable with Dr. Simon…she is very personable.
(2 weeks ago)
Feb-2026
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GI-Camarillo
4005 Mission Oaks Blvd. Unit A Camarillo, CA 93012
GI-Oxnard
2241 Wankel Way Suite A Oxnard, CA
Dr. Karen Simon, M.D. 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.
Excellent
First time seeing her. She was efficient, from completing the questionnaire on-line, I felt she knew me and my situation. I would highly recommend her.
Very pleasant. Thorough, informative.
Excellent compassionate Care!
Dr Simon has the best bedside manner. She takes her time with her patients, answers all your questions, and explains things in a manner that you can understand.
Very personable. She listens to what you have to say and discusses options with you. She’s helped me tremendously with controlling my G.I. issues.
Always good service. Thanks
She is excellent! Very knowledgeable, patient, professional. I would recommend her for a doctor!
Excellent doctor! Dr Simon listens, explains, and educates. She is proactive and thorough. She has a very good bedside manner too…friendly, smiles easily, and is humorous.
I have always felt very comfortable with Dr. Simon…she is very personable.