Dr. Diana L Westerfield, DO
Cardiology
10 Hospital Drive, Suite 100
Saint Peters, MO 63376 Directions
4.9 out of 5
199 verified ratings
199 Ratings, 60 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.
Mar 20, 2026
What else would you like to say about your experience?
Everything went exceptionally well. Staff and Doctor are very knowledgeable and friendly.
Mar 18, 2026
What else would you like to say about your experience?
I love Dr Westerfield. She makes you feel listened too and she is very caring.
Mar 18, 2026
What else would you like to say about your experience?
Dr. Westerfield is fantastic! She is so down to earth in explaining things and has familiarized herself with your history before entering the room. Best Cardiologist I have ever had!!!
Mar 17, 2026
What else would you like to say about your experience?
Always a good experience with Dr westerfield
Mar 16, 2026
What else would you like to say about your experience?
As always the treatment was excellent
Mar 15, 2026
What else would you like to say about your experience?
Great care as always
Mar 14, 2026
What else would you like to say about your experience?
You could get more doctors like Dr. Westerfield. She's just the best.
Mar 13, 2026
What else would you like to say about your experience?
Doctor is kind and concerned. explains test results. very happy with her
Mar 13, 2026
What else would you like to say about your experience?
Dr Westerfield is the best! She takes her time while examining my husband and answers all my many questions!!
Oct 14, 2025
Was there anything that you feel was outstanding?
Dr westerfield was very good in taking care of my needs of medical needs. Thank you
What could have been done to improve your experience?
Nothing comes to mind.
Oct 7, 2025
Was there anything that you feel was outstanding?
All good
Oct 7, 2025
What could have been done to improve your experience?
Doctor needs to listen to patient!
Oct 7, 2025
Was there anything that you feel was outstanding?
Dr. Westerfield
What could have been done to improve your experience?
Nothing
Oct 4, 2025
Was there anything that you feel was outstanding?
The staff & the dr
What could have been done to improve your experience?
O
Oct 2, 2025
Was there anything that you feel was outstanding?
Dr. Westerfield! Has a way of making you feel comfortable & including patient in discussion
Sep 25, 2025
Was there anything that you feel was outstanding?
Yes Dr Westerfield, she was great.
What could have been done to improve your experience?
Nothing
Sep 19, 2025
Was there anything that you feel was outstanding?
Everyone was very attentive!
What could have been done to improve your experience?
Nothing.
Sep 18, 2025
Was there anything that you feel was outstanding?
Dr westerfield did go over all of my prescription drugs and explained how each one worked in detail. I never had a doctor do that before.
Sep 16, 2025
Was there anything that you feel was outstanding?
Visits with Dr. Westerfield is always a pleasure. She and her staff are excellent in every way.
Sep 13, 2025
Was there anything that you feel was outstanding?
Dr W is always excellent.
What could have been done to improve your experience?
N a
Sep 9, 2025
Was there anything that you feel was outstanding?
I really enjoyed talking to Dr. Westerfield. She was very professional, kind, and knowledgeable.
Sep 6, 2025
Was there anything that you feel was outstanding?
She is the best
Sep 6, 2025
What could have been done to improve your experience?
Nothing
Aug 19, 2025
Was there anything that you feel was outstanding?
Definitely Dr. Westerfield
What could have been done to improve your experience?
Nothing
Aug 12, 2025
Was there anything that you feel was outstanding?
Dr was very pleasant, friendly and took time to answer my concerns I’m happy to have her as my cardiologist
What could have been done to improve your experience?
Visit was perfect
Aug 10, 2025
Was there anything that you feel was outstanding?
Dr Westerfield is gracious caring and concerned. How can you beat that
Aug 9, 2025
Was there anything that you feel was outstanding?
Dr.Westerfield is an excellent physician. She is very dedicated to her patients. She has an amazing personality and makes you feel so comfortable. You can see how much she cares about her patients. I am very thankful she is my doctor. I know I am in great hands.
What could have been done to improve your experience?
Nothing I can think of
Aug 9, 2025
Was there anything that you feel was outstanding?
Dr Diana Westerfield was excellent to deal with. She explained things thoroughly & in a clear way so we knew what was happening. Both Dr. Westerfield & her staff made us feel at ease & relieved our concerns & fears. We feel we are in capable hands.
What could have been done to improve your experience?
Nothing that we know of.
Aug 8, 2025
Was there anything that you feel was outstanding?
Yes. My doctor as always
Aug 2, 2025
Was there anything that you feel was outstanding?
My first time with Dr Westerfield. She’s terrific!!
Aug 1, 2025
Was there anything that you feel was outstanding?
Dr. Westerfield
What could have been done to improve your experience?
Nothing
Jul 29, 2025
Was there anything that you feel was outstanding?
Dr Westerfield is an incredible physician!! Feeling blessed to have her as my Doctor!!
Jul 29, 2025
Was there anything that you feel was outstanding?
Dr Westerfeld was very thorough. I didn't feel like I was rushed. I would recommend everyone to Dr Westerfeld.
What could have been done to improve your experience?
Nothing it was a very pleasant visit.
Jul 22, 2025
Was there anything that you feel was outstanding?
Everyone was great. Had no problems from walking in to leaving. Everything went smoothly. The staff was great at coordinating test and getting everything taken care of.
Jul 19, 2025
Was there anything that you feel was outstanding?
Dr Westerfield is always just excellent. Could not have had a better visit.
What could have been done to improve your experience?
Nothing
Jul 17, 2025
Was there anything that you feel was outstanding?
Dr Westerfield is so caring, knowledgeable and personable. I can tell that she genuinely cares about me and my well being. I know I am getting excellent care as her patient.
What could have been done to improve your experience?
Not a thing
Jul 17, 2025
Was there anything that you feel was outstanding?
As always Dr Westerfield
What could have been done to improve your experience?
Nothing
Jul 16, 2025
Was there anything that you feel was outstanding?
Dr. Westerfield is always above and beyond. I can't say enough good things about her and her staff! It's the only time I look forward to seeing a doctor!
Jul 15, 2025
Was there anything that you feel was outstanding?
Dr Westerfield is always excellent.
What could have been done to improve your experience?
Not much
Jul 15, 2025
Was there anything that you feel was outstanding?
Dr. Westerfield
What could have been done to improve your experience?
Nothing
Jul 10, 2025
Was there anything that you feel was outstanding?
DR. Westerfield my Favorite doctor
What could have been done to improve your experience?
no sugestions
Jun 19, 2025
Was there anything that you feel was outstanding?
The professionalism of everyone I encountered .
What could have been done to improve your experience?
I was totally satisfied with my visit.
Jun 17, 2025
Was there anything that you feel was outstanding?
Dr Westfield is always wonderful and caring.
What could have been done to improve your experience?
Nothing
Jun 14, 2025
Was there anything that you feel was outstanding?
Dr Westerfield is always friendly and helpful
What could have been done to improve your experience?
Nothing all was good!!
Jun 12, 2025
Was there anything that you feel was outstanding?
Dr. Westerfield always makes me feel at ease which is rare for me at a doctors office. She makes it very personable. She never rushes the appointment. I absolutely love seeing her, it’s more like seeing a friend than a doctor.
What could have been done to improve your experience?
Nothing
Jun 12, 2025
Was there anything that you feel was outstanding?
Dr. Westerfield and her nurse were excellent.
Jun 11, 2025
What could have been done to improve your experience?
Nothing
Jun 8, 2025
Was there anything that you feel was outstanding?
Excellent service
What could have been done to improve your experience?
Nothing I can think of
Jun 7, 2025
Was there anything that you feel was outstanding?
Everyone was great
What could have been done to improve your experience?
Everything was fine
Jun 7, 2025
Was there anything that you feel was outstanding?
Everything was great with all contacts.
What could have been done to improve your experience?
All was fine.