Koester, Cameron DO

Cardiovascular Disease

BJC Medical Group Cardiology at St. Peters

10 Hospital Drive, Ste 100

Saint Peters, MO 63376 Directions

4.9 out of 5

272 verified ratings

272 Ratings, 103 Comments


The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy.
Oct 18, 2025
Was there anything that you feel was outstanding?
Dr. Koester was fantastic as always!
What could have been done to improve your experience?
N/A

Oct 18, 2025
Was there anything that you feel was outstanding?
Dr. Koester is very friendly and very personable. Explains everything and listens to what you have to say
What could have been done to improve your experience?
nothing

Oct 17, 2025
Was there anything that you feel was outstanding?
The doctor was easy to talk to & he put me at ease.

Oct 17, 2025
Was there anything that you feel was outstanding?
Dr. KOESTER was good. Like his straight shooting approach and looking forward to having him as my cardiologist.

Oct 16, 2025
Was there anything that you feel was outstanding?
No
What could have been done to improve your experience?
Nothing

Oct 16, 2025
Was there anything that you feel was outstanding?
When my former Cardiologist retired I became Dr. Koester patient. I was very impressed with him as he allowed me to asked Questions and let me make decisions on my health care.
What could have been done to improve your experience?
Nothing

Oct 7, 2025
Was there anything that you feel was outstanding?
My first meeting with Dr. Koester and was very comfortable with him.nothing
What could have been done to improve your experience?
Nothing

Oct 3, 2025
Was there anything that you feel was outstanding?
Everyone
What could have been done to improve your experience?
All good

Sep 30, 2025
Was there anything that you feel was outstanding?
My new Dr. was excellent. Very nice, kind and personable and explained things in great detail so I could understand my health better. I felt he truly cared about my health and wanted to keep me healthy.

Sep 29, 2025
Was there anything that you feel was outstanding?
All were excellent
What could have been done to improve your experience?
It was perfect

Sep 28, 2025
Was there anything that you feel was outstanding?
Dr. Koester….. first. Face to face meeting…… he met every expectation professionally and was extremely knowledgeable… I feel very confident to be in his care
What could have been done to improve your experience?
Nothing

Sep 26, 2025
Was there anything that you feel was outstanding?
I just love him. He is so up and is an excellent listener.
What could have been done to improve your experience?
0

Sep 24, 2025
Was there anything that you feel was outstanding?
Yes, my doctor
What could have been done to improve your experience?
Nothing

Sep 20, 2025
Was there anything that you feel was outstanding?
The doctor. My first time meeting him. Very helpful. Caring.
What could have been done to improve your experience?
Nothing. Questions and concerns were answered.

Sep 19, 2025
Was there anything that you feel was outstanding?
Dr Koester was very attentive and highly impressed that he reviewed my history before visit
What could have been done to improve your experience?
Nothing

Sep 17, 2025
Was there anything that you feel was outstanding?
Dr. Koester was extremely personable and spent as much time with us as we needed. He was welcoming and highly skilled in his assessments, explanations, and follow ups. Things just couldn’t have been better.
What could have been done to improve your experience?
It was perfect.

Sep 17, 2025
Was there anything that you feel was outstanding?
It was a pleasure to meet Dr Koester for the first time he was super to listen to what was going on with me and he explained every thing that we were going to do One of the best in my book Can’t wait till next visit he treated me like a person not a number Highly recommend
What could have been done to improve your experience?
Nothing at this moment

Sep 17, 2025
Was there anything that you feel was outstanding?
The entire group was OUTSTANDING.

Sep 16, 2025
Was there anything that you feel was outstanding?
All of staff are extremely friendly,attentive and efficient.
What could have been done to improve your experience?
Nothing

Sep 16, 2025
Was there anything that you feel was outstanding?
Doctor Koester was wonderful. It was my first visit with him because my doctor retired last year.
What could have been done to improve your experience?
Was very pleased with the whole process.

Sep 12, 2025
Was there anything that you feel was outstanding?
Dr Keoster was well informed on my history for my first visit which allowed us to get right to my concerns which were addressed throughly. Was especially impressed with the doctors enthusiasm for my visit.

Sep 12, 2025
Was there anything that you feel was outstanding?
Dr. K is AWESOME!!!!!
What could have been done to improve your experience?
Nothing

Sep 11, 2025
Was there anything that you feel was outstanding?
Everyone in that office is wonderful
What could have been done to improve your experience?
Nothing

Sep 6, 2025
Was there anything that you feel was outstanding?
Dr Koester
What could have been done to improve your experience?
Nothing

Sep 4, 2025
Was there anything that you feel was outstanding?
Dr. Koester was so patient answering my questions (and my husband's.) He explained things in ways we could understand and took plenty of time with us. I really appreciated him!

Aug 30, 2025
Was there anything that you feel was outstanding?
Dr Koester was wonderful explained everything snd was generally interested in what I had to say
What could have been done to improve your experience?
Nothing

Aug 30, 2025
Was there anything that you feel was outstanding?
really liked Dr Koestner. first time seeing him. he knew my history. he was very well informed. very kind and caring
What could have been done to improve your experience?
nothing. it was great

Aug 27, 2025
Was there anything that you feel was outstanding?
Previous call to office resulted in dr. Calling me to hear my concerns. Impressed that dr. Returned the call.
What could have been done to improve your experience?
All went well

Aug 27, 2025
Was there anything that you feel was outstanding?
I have had this group of doctor, nurses and office to work with for many years and have no reason to even consider Changing to another team!
What could have been done to improve your experience?
Nothing!

Aug 26, 2025
Was there anything that you feel was outstanding?
Dr. Koester always listens to my concerns and is a caring doctor. My problems are difficult for me to manage, and Dr. Koester is trying very hard to find a manageable solution for me.
What could have been done to improve your experience?
Nothing,it went well.

Aug 22, 2025
Was there anything that you feel was outstanding?
Doctor Koester
What could have been done to improve your experience?
Nothing

Aug 21, 2025
What could have been done to improve your experience?
Nothing. Everything was perfect.

Aug 12, 2025
Was there anything that you feel was outstanding?
I really liked Dr Koester

Aug 9, 2025
Was there anything that you feel was outstanding?
All staff I interacted with provided excellent care and attention to my needs.
What could have been done to improve your experience?
If it ain’t broke, don’t try to fix it!

Aug 9, 2025
Was there anything that you feel was outstanding?
Everyone is excellent
What could have been done to improve your experience?
Nothing

Aug 7, 2025
Was there anything that you feel was outstanding?
Dr. Koester was exceptional. It was my first appointment with him after my Dr‘s retirement and I am very pleased. He explained everything very thoroughly and I feel in capable hands.

Aug 5, 2025
Was there anything that you feel was outstanding?
Cameron is a very respectable doctor who takes time with his patients
What could have been done to improve your experience?
Nothing

Aug 5, 2025
Was there anything that you feel was outstanding?
I feel like Dr Koester cares about me and my medical needs

Aug 4, 2025
Was there anything that you feel was outstanding?
All the staff were helpful and cheerful.
What could have been done to improve your experience?
Cant think of anything that needs improved.

Aug 2, 2025
Was there anything that you feel was outstanding?
Dr. Koester is everything that I could ask in a first visit. He listened to my concerns, analyzed my data, considered my input, explained the process, formulated a plan forward, explained reasons for plan, and solicited my acceptance. Also, he showed diagrams of conditions relative to topics of discussions.
What could have been done to improve your experience?
Nothing

Aug 1, 2025
Was there anything that you feel was outstanding?
Doctor is exceptionally communicative.very pleasant and informative!
What could have been done to improve your experience?
Nothing..

Jul 31, 2025
Was there anything that you feel was outstanding?
Thought the Doctor was positive and cared about my health care.

Jul 29, 2025
Was there anything that you feel was outstanding?
Dr. Koester has been great. He really puts you at ease. I’m comfortable around him. He listens and works a plan together. Have never had a doctor so responsive to their patient. Best doctor I’ve ever had. Wish they were all like him. I feel he really cares about my well being.
What could have been done to improve your experience?
Nothing.

Jul 26, 2025
Was there anything that you feel was outstanding?
Dr. Koester is friendly, professional but not cold, and genuinely interested in my health and my opinions/questions. I'm glad to have him as my cardiologist.

Jul 26, 2025
Was there anything that you feel was outstanding?
I felt very comfortable with Dr.Koester
What could have been done to improve your experience?
Not sure

Jul 22, 2025
Was there anything that you feel was outstanding?
Dr. Koester! He is a keeper. .

Jul 10, 2025
Was there anything that you feel was outstanding?
Everyone was great
What could have been done to improve your experience?
Nothing

Jul 7, 2025
Was there anything that you feel was outstanding?
None
What could have been done to improve your experience?
None

Jul 2, 2025
Was there anything that you feel was outstanding?
Dr. Lester was extremely knowledgeable about my ailments. You could tell he had researched things wrong with me and had a very well laid out plan to run all the diagnosis tests prove his diagnosis. I was extremely impressed with his ability and personality. I would highly recommend Dr.Koester
What could have been done to improve your experience?
Nothing

Jul 1, 2025
Was there anything that you feel was outstanding?
This was our first meeting as my previous doctor retired. Dr Koester was very cordial and very interested in my opinion on my condition. I consider him an excellent person to help me with my heart condition.
What could have been done to improve your experience?
Cannot think of anything, it was a timely, thorough visit.