Dr. Michael Fleissner, MD
Cardiology
6810 State Route 162, Suite 102
Maryville, IL 62062 Directions
4.8 out of 5
449 verified ratings
449 Ratings, 113 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.
May 24, 2026
What else would you like to say about your experience?
I really like my doctor. The nurse was very nice.
May 23, 2026
What else would you like to say about your experience?
I like talking to the doctor. He explained everything to me very well. And so I asked him, could he be my heart doctor?
May 23, 2026
What else would you like to say about your experience?
Dr. Fleissner and Staff were great.
May 22, 2026
What else would you like to say about your experience?
Very thorough - I felt like the dr really helped me with all my questions!
May 22, 2026
What else would you like to say about your experience?
Fleissner was not impressive, he was uninterested.
May 22, 2026
What else would you like to say about your experience?
The staff was very nice and Dr. Fleisner was very professional and very friendly. I enjoyed my visit. Thank you.
May 20, 2026
What else would you like to say about your experience?
Very good experience.
May 20, 2026
What else would you like to say about your experience?
I'm Happy
May 11, 2026
What else would you like to say about your experience?
I was treated very well. Thank you.
May 9, 2026
What else would you like to say about your experience?
I just want to say everyone was wonderful, very kind, very patient, very informed, and I just loved the doctor. I thought he was just great and I just thought the whole experience was very good. That's all.
Apr 30, 2026
What else would you like to say about your experience?
Dr. Michael Fleissner is awesome! BJC has a winner.
Apr 30, 2026
What else would you like to say about your experience?
Exceptional facility
Apr 29, 2026
What else would you like to say about your experience?
All the staff was very friendly and very helpful and taking time. And Dr. Fleischner is amazing and took a lot of time and explained everything and anything that I had questions for or anything that he had to say was very helpful. He's a great doctor.
Apr 29, 2026
What else would you like to say about your experience?
Everything was very pleasant, very pleasant. Thank you.
Apr 29, 2026
What else would you like to say about your experience?
They were very helpful
Apr 27, 2026
What else would you like to say about your experience?
Was a great visit. Staff was over the top.
Apr 24, 2026
What else would you like to say about your experience?
The doctor was listened to me and asked me questions as well. I like him. He's a people person
Apr 22, 2026
What else would you like to say about your experience?
I felt completely in Great Hands every one treated me with such respect and explained every thing so easy Thank You
Apr 20, 2026
What else would you like to say about your experience?
Very pleasant visit. No waiting time. Good conversation with D.
Apr 17, 2026
What else would you like to say about your experience?
Have been under the care of Dr. Fliessner for the last 3 years and am very satisfied with the service. All of the staff was very nice
Apr 16, 2026
What else would you like to say about your experience?
Dr. Fleissner is an exceptional cardiologist. He's very caring and compassionate about his patients and the staff was very nice as well. Thank you.
Apr 10, 2026
What else would you like to say about your experience?
Everyone very helpful, courteous and professional. Enjoyed the initial contact with DR. Fleissner.
Apr 10, 2026
What else would you like to say about your experience?
The staff was courteous and professional!
Apr 9, 2026
What else would you like to say about your experience?
It was very gratifying to listen to the discussion was taken by the doctor and it was very interesting at his responses and also his assignment of who's responsible to do this. I firmly believe he was very sincere and requested the information I was providing. Thank you.
Apr 8, 2026
What else would you like to say about your experience?
I had a pleasant experience
Apr 6, 2026
What else would you like to say about your experience?
Like Dr. Fleissner very much.
Apr 2, 2026
What else would you like to say about your experience?
They were all very efficient & friendly. Dr fleissner is excellent in listening to the patient showing compassion and appropriate advice.
Highly recommend.
Apr 1, 2026
What else would you like to say about your experience?
Dr Michael Fleissner is a very good Dr he always try’s to answer my questions!
Apr 1, 2026
What else would you like to say about your experience?
Everything went well. Only waited just a short time until I was taken to a room, a very, very short wait for the doctor. The doctor came in within minutes. I was quite impressed. I think I have the most confidence in this doctor and I'm very happy with him.
Mar 24, 2026
What else would you like to say about your experience?
This doctor is very good at what he does. I have complete confidence in him and the facility is nice and located well for me.
Mar 20, 2026
What else would you like to say about your experience?
Dr Fleissner put me at ease and clearly explained cardiovascular disease.
Staff was very friendly.
Mar 18, 2026
What else would you like to say about your experience?
The staff was very polite and respectful and the doctor was also. It was a great experience and I would recommend family and friends to go there if needed.
Mar 17, 2026
What else would you like to say about your experience?
Dr. Fleisner talked with me and explained things and I was very pleased with him. I would suggest him for any of my friends and this office did a good job.
Mar 13, 2026
What else would you like to say about your experience?
DR. FLEISSNER IS THE BEST DOCTOR I HAVE EVER HAD FOR CARDIOLOGY - HE IS WONDERFUL - I TRIED DIFERENT DOCTORS FOR 2 YEARS WHEN I WAS HAVING TROUBLE, WHEN I SAW DR. FLEISSNER, HE FIGURED IT OUT IN 10 MINUTES - SAVED MY LIFE!
I DO NOT LOOK FORWARD TO HIS RETIREMENT!
Mar 12, 2026
What else would you like to say about your experience?
The appointment and talking to the doctor went very well
Mar 12, 2026
What else would you like to say about your experience?
The staff, nurses, and doctor were very professional and very kind.
Mar 12, 2026
What else would you like to say about your experience?
When I was there, everyone was super nice from the girl that checked me in and gave me my next appointment to the nurse for Dr. Fleisner and Dr. Fleisner himself, who is always very, very nice and always tries to have enough time to listen to anything you've got to say and to be very kind and courteous and not rushy. That's about it. Thank you.
Mar 12, 2026
What else would you like to say about your experience?
Dr. Fleissner is a wonderful careful doctor. Explains everthing and takes time with his patient. His staff is also very friendly and caring.
Mar 12, 2026
What else would you like to say about your experience?
I liked the location it is laid out in such a way as easy access.
Dec 17, 2025
Was there anything that you feel was outstanding?
All went well
Dec 15, 2025
Was there anything that you feel was outstanding?
Dr. Fleisner always goes above and beyond the call of duty. I'm thankful to him for my cardiologist. The staff is always kind and helpful.
What could have been done to improve your experience?
Don't change anything it's great just the way it is.
Dec 9, 2025
Was there anything that you feel was outstanding?
The staff were so nice and friendly. Dr. Fleissner explains everything clearly and he is very friendly. I have a clear understanding after my visits and Doc is actually concerned about my health and well-being
What could have been done to improve your experience?
Nothing! Everything was perfect for me.
Dec 8, 2025
Was there anything that you feel was outstanding?
No
Dec 8, 2025
What could have been done to improve your experience?
Nothing
Dec 6, 2025
Was there anything that you feel was outstanding?
No
What could have been done to improve your experience?
Nothing
Dec 3, 2025
Was there anything that you feel was outstanding?
DR Fleisner was.
What could have been done to improve your experience?
Nothing. All was was perfect,
Dec 3, 2025
Was there anything that you feel was outstanding?
Dr. Fleissner is very personable. He listens and shows interest in what you have to say.
What could have been done to improve your experience?
Nothing
Nov 30, 2025
Was there anything that you feel was outstanding?
I wish all doctors took the time to get to know their patients and to explain things to them like Dr Fleissner. He is a great example of how all doctors should interact with their patients.
What could have been done to improve your experience?
Nothing - everyone in this office did a wonderful job during my visit.
Nov 26, 2025
Was there anything that you feel was outstanding?
All
What could have been done to improve your experience?
Nothing
Nov 26, 2025
Was there anything that you feel was outstanding?
Dr. Fleissner and his staff were extremely wonderful.