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.
ALWAYS a pleasure to see this Dr!
She is caring ,knowledgeable and has gotten me through alot of my gastro issues. She cares, she understands you and you feel it.
(3 days ago)
Feb-2026
Dr Simon was very caring and very informative.
(6 days ago)
Feb-2026
Gratifying to speak with. There’s comfort in knowing she has the wheelhouse and my throat.
(1 week ago)
Jan-2026
Dr Simon is so professional but friendly too. She listens to me and we work out a plan of care together. It
(1 week ago)
Jan-2026
Great doc and personable.
(2 weeks ago)
Jan-2026
I appreciated that she was on time & she was very knowledgeable.
(2 weeks ago)
Jan-2026
Professional, personable, & knowledgeable. I feel confident I’m good hands
(2 weeks ago)
Jan-2026
Very Nice
(2 weeks ago)
Jan-2026
Dr Simon listened to me, immediately addressed my problems, and was very friendly. I felt very comfortable with her. I highly recommend Dr Simon.
(2 weeks ago)
Jan-2026
She listened to me, explained things carefully, answered all my questions with patience
(1 month ago)
Dec-2025
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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.
ALWAYS a pleasure to see this Dr! She is caring ,knowledgeable and has gotten me through alot of my gastro issues. She cares, she understands you and you feel it.
Dr Simon was very caring and very informative.
Gratifying to speak with. There’s comfort in knowing she has the wheelhouse and my throat.
Dr Simon is so professional but friendly too. She listens to me and we work out a plan of care together. It
Great doc and personable.
I appreciated that she was on time & she was very knowledgeable.
Professional, personable, & knowledgeable. I feel confident I’m good hands
Very Nice
Dr Simon listened to me, immediately addressed my problems, and was very friendly. I felt very comfortable with her. I highly recommend Dr Simon.
She listened to me, explained things carefully, answered all my questions with patience