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.
She is a great Doc!!
(1 week ago)
Aug-2026
Dr Simon is the best! She is caring and very knowledgeable. She has done many procedures on me and they have all been done with care, explanation and always makes feel at ease. I would highly recommend her.
(1 week ago)
Aug-2026
Dr.Simon Karen was incredibly kind and attentive.
She listened carefully to all my concerns and never made me feel rushed.
I felt completely at ease during my visit.
Dr. Simon Karen has a calming presence and shows genuine concern for her patients well-being
Thanky Dr. Simon Karen!
(1 week ago)
Aug-2026
nice to talk to
(1 week ago)
Aug-2026
Dr. Simon consistently provides excellent care. She listens carefully and always responds to my concerns.
(1 week ago)
Aug-2026
I felt she was not very thorough, wanted to get the telehealth session over with, did not take much interest in my condition and told me to just keep doing what I have already been doing. It just felt very sub-par. I was very disappointed after waiting almost 6 months to speak to her.
(1 month ago)
Jul-2026
Explained things, shared information
(1 month ago)
Jul-2026
Really like doctor simon, took the time to go over results with me
(1 month ago)
Jul-2026
Dr. Simon is so easy to talk to and I felt truly heard. I am so excited to have someone so genuine and kind on my care team.
(1 month ago)
Jul-2026
Karen Simon is amazing. She is personable, patient, empathetic, and really knows her GI Stuff. Very thankful to be her patient.
(1 month ago)
Jul-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.
She is a great Doc!!
Dr Simon is the best! She is caring and very knowledgeable. She has done many procedures on me and they have all been done with care, explanation and always makes feel at ease. I would highly recommend her.
Dr.Simon Karen was incredibly kind and attentive. She listened carefully to all my concerns and never made me feel rushed. I felt completely at ease during my visit. Dr. Simon Karen has a calming presence and shows genuine concern for her patients well-being Thanky Dr. Simon Karen!
nice to talk to
Dr. Simon consistently provides excellent care. She listens carefully and always responds to my concerns.
I felt she was not very thorough, wanted to get the telehealth session over with, did not take much interest in my condition and told me to just keep doing what I have already been doing. It just felt very sub-par. I was very disappointed after waiting almost 6 months to speak to her.
Explained things, shared information
Really like doctor simon, took the time to go over results with me
Dr. Simon is so easy to talk to and I felt truly heard. I am so excited to have someone so genuine and kind on my care team.
Karen Simon is amazing. She is personable, patient, empathetic, and really knows her GI Stuff. Very thankful to be her patient.