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

294 verified ratings

294 Ratings, 120 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.
Nov 15, 2025
Was there anything that you feel was outstanding?
My regular Dr is out so I saw Dr. Koester and he is awesome also ..

Nov 13, 2025
Was there anything that you feel was outstanding?
Everything was good

Nov 2, 2025
Was there anything that you feel was outstanding?
Dr Koester
What could have been done to improve your experience?
Nothing

Nov 1, 2025
Was there anything that you feel was outstanding?
All the staff was excellent. Really like Dr Koester

Oct 25, 2025
Was there anything that you feel was outstanding?
Dr. K was very thorough in our first meeting as my new Cardiologist.Really appreciated his input about my overall being! He is deeply appreciated by me
What could have been done to improve your experience?
Nothing!

Oct 24, 2025
Was there anything that you feel was outstanding?
Well the doctor knew immediately what was wrong with me and explained it to me so I feel he's very knowledgeable and he seemed very concerned about me.
What could have been done to improve your experience?
Nothing really could improve it they were very courteous got me in and out fairly quick so they were great.

Oct 23, 2025
Was there anything that you feel was outstanding?
Dr Koester

Oct 22, 2025
What could have been done to improve your experience?
Couldn’t have been any better. Unless you have Dr. Koester to visit me at my house.😜

Oct 22, 2025
Was there anything that you feel was outstanding?
Dr. Koester was fantastic! He listened with full attention, addressed my concerns, and treated me with respect. He did a great job of explaining the "why" behind my symptoms. I was very impressed!

Oct 21, 2025
Was there anything that you feel was outstanding?
Staff was professional, friendly and competent
What could have been done to improve your experience?
Not a thing Nothing broken Nothing needs to be fixed

Oct 21, 2025
Was there anything that you feel was outstanding?
NA
What could have been done to improve your experience?
Nothing it was very helpful

Oct 21, 2025
Was there anything that you feel was outstanding?
Dr Koester
What could have been done to improve your experience?
Nothing

Oct 21, 2025
Was there anything that you feel was outstanding?
Great place
What could have been done to improve your experience?
Nothing

Oct 21, 2025
Was there anything that you feel was outstanding?
No
What could have been done to improve your experience?
Nothing

Oct 21, 2025
Was there anything that you feel was outstanding?
Warm professional real people taking great care to help patients in every capacity. stellar service!

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 15, 2025
Was there anything that you feel was outstanding?
I am very happy to be under the care of Dr. Koester. He is very patient and very understanding and communicates extremely well.

Oct 15, 2025
Was there anything that you feel was outstanding?
Dr. Cameron Koester is Great! Everyone else is so nice too!

Oct 15, 2025
Was there anything that you feel was outstanding?
Everyone was great!
What could have been done to improve your experience?
Nothing

Oct 14, 2025
Was there anything that you feel was outstanding?
Dr. Koester. Attentive, prepared as in felt like he knew history and issues in detail....

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