Dr. Brian A Grus, MD

Primary

20 Progress Point Parkway, Suite 108

O'Fallon, MO 63368 Directions

6363442400

doctors.bjc.org

4.7 out of 5

445 verified ratings

445 Ratings, 116 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 15, 2025
Was there anything that you feel was outstanding?
Dr. Grus took the time to listened and explain everything.
What could have been done to improve your experience?
Nothing

Oct 11, 2025
Was there anything that you feel was outstanding?
Dr Grus’s is the BEST!!
What could have been done to improve your experience?
Nothing

Oct 10, 2025
Was there anything that you feel was outstanding?
The nurse and of course Dr Grus
What could have been done to improve your experience?
Can't think of anything.

Oct 4, 2025
Was there anything that you feel was outstanding?
Always very good.

Oct 3, 2025
Was there anything that you feel was outstanding?
I would go no where else
What could have been done to improve your experience?
N/A

Sep 28, 2025
Was there anything that you feel was outstanding?
No
What could have been done to improve your experience?
Nothing

Sep 26, 2025
Was there anything that you feel was outstanding?
All was very courteous and helpful
What could have been done to improve your experience?
I can’t really think of anything else

Sep 24, 2025
Was there anything that you feel was outstanding?
Dr Grus has been our rock of treatment, information, expertise, and support for the past 30 years. Scheduled appointment was for 10:00 am and I was seen, treated, lab visit, and was walking down the hallway to my car at 10:18! You can’t beat performance like that! Keep up the great work!!!

Sep 23, 2025
Was there anything that you feel was outstanding?
Their concern is awesome!
What could have been done to improve your experience?
Nothing.

Sep 23, 2025
Was there anything that you feel was outstanding?
Dr Grus. And his nurse were both excellent.
What could have been done to improve your experience?
The visit was as expected and professional.

Sep 23, 2025
Was there anything that you feel was outstanding?
Friendliness and professionalism.
What could have been done to improve your experience?
Nothing

Sep 21, 2025
Was there anything that you feel was outstanding?
They all were extraordinary!!
What could have been done to improve your experience?
Nothin

Sep 18, 2025
Was there anything that you feel was outstanding?
Even though the appointment I had was for an urgent matter, I left in very good spirits after being seen by Dr. Grus and his nurse. Their friendly, caring manner set the tone for the rest of my day.

Sep 17, 2025
Was there anything that you feel was outstanding?
I am satisfied with my Dr. and the office

Sep 17, 2025
Was there anything that you feel was outstanding?
Dr Grus is a very caring, friendly person. I enjoy going to see him.
What could have been done to improve your experience?
Nothing.

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

Sep 16, 2025
Was there anything that you feel was outstanding?
Dr. Grus is always very positive and cheerful during my visit. I have had him as pc Dr. For many years and he is always helpful and cheerful during my appointments! I consider him as a good friend!
What could have been done to improve your experience?
Not much as it went very good, as always!

Sep 12, 2025
Was there anything that you feel was outstanding?
Everything was fine.
What could have been done to improve your experience?
Nothing.

Sep 10, 2025
What could have been done to improve your experience?
It was a wonderful day at Dr Grus office

Sep 3, 2025
What could have been done to improve your experience?
Nothing

Sep 2, 2025
Was there anything that you feel was outstanding?
Entire staff was pleasant and professional.

Aug 29, 2025
Was there anything that you feel was outstanding?
Nothing
What could have been done to improve your experience?
Nothing

Aug 26, 2025
Was there anything that you feel was outstanding?
Dr Grus please never retire!!
What could have been done to improve your experience?
Absolutely nothing!!!

Aug 23, 2025
What could have been done to improve your experience?
Total satisfaction

Aug 23, 2025
Was there anything that you feel was outstanding?
Dr Brian Grus is a great doctor. I have always been able to rely on his thoughtful approach; diagnoses the problem and provides a solution. Easy to talk with.

Aug 22, 2025
Was there anything that you feel was outstanding?
The entire staff was friendly, helpful, and professional.
What could have been done to improve your experience?
Nothing! Everything was great.

Aug 18, 2025
Was there anything that you feel was outstanding?
Highly professional and empathetic

Aug 16, 2025
Was there anything that you feel was outstanding?
My office visit was not rushed and Dr Grus came up with a forward plan and discussed it with me.
What could have been done to improve your experience?
N/A

Aug 13, 2025
Was there anything that you feel was outstanding?
Dr. Grus always great!
What could have been done to improve your experience?
Nothing in my opinion.

Aug 13, 2025
Was there anything that you feel was outstanding?
Everyone
What could have been done to improve your experience?
Nothing

Aug 13, 2025
Was there anything that you feel was outstanding?
Dr Grus is an excellent doctor. He is professional and friendly with a very caring attitude.

Aug 12, 2025
Was there anything that you feel was outstanding?
Dr. Grus listens to you and seems to really care about his patients
What could have been done to improve your experience?
The visit was fine.

Aug 12, 2025
Was there anything that you feel was outstanding?
Dr Grus was exceptional and helpful.

Aug 12, 2025
Was there anything that you feel was outstanding?
Dr Grus’s staff is always very good
What could have been done to improve your experience?
Nothing at this time

Aug 11, 2025
Was there anything that you feel was outstanding?
I moved to south county over a year ago. I could have transferred to a doctor close to me, but I am so pleased with my care at this office, I am fine with making the half hour drive. Everyone in this office is wonderful. Quick, efficient, helpful, friendly
What could have been done to improve your experience?
Nothing I can think of at this time.

Aug 9, 2025
Was there anything that you feel was outstanding?
Everyone is very professional and pleasant.

Aug 8, 2025
Was there anything that you feel was outstanding?
Dr Grus was and is always excellent.
What could have been done to improve your experience?
I can’t think of anything that could improve the visit.

Jul 30, 2025
Was there anything that you feel was outstanding?
Dr. Grus was specific and answered our questions.

Jul 30, 2025
Was there anything that you feel was outstanding?
all
What could have been done to improve your experience?
nothing

Jul 25, 2025
What could have been done to improve your experience?
Nothing, from beginning to end the experience was excellent.

Jul 25, 2025
Was there anything that you feel was outstanding?
Everybody was very good at all things.
What could have been done to improve your experience?
Nothing, everything was excellent.

Jul 22, 2025
Was there anything that you feel was outstanding?
The care by Dr Grus and his staff is excellent

Jul 22, 2025
Was there anything that you feel was outstanding?
N/A
What could have been done to improve your experience?
Nothing

Jul 18, 2025
What could have been done to improve your experience?
Visit was excellent

Jul 17, 2025
Was there anything that you feel was outstanding?
I was very pleased with my experience for my recent doctor visit. Everyone I had interaction with was professional and caring.
What could have been done to improve your experience?
No suggestions.

Jul 16, 2025
Was there anything that you feel was outstanding?
The staff and Doctor were all helpful and competent.
What could have been done to improve your experience?
Nothing it all went smoothly

Jul 16, 2025
Was there anything that you feel was outstanding?
Dr. Grus is very professional and thorough! I'm glad he is my primary care physician. Overall great staff as well as the nurses with Dr. Grus!!

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

Jul 15, 2025
Was there anything that you feel was outstanding?
Dr Grus is very calming and listens. I’ve been his pt for 30 yrs. He’s my doctor for my life.
What could have been done to improve your experience?
Nothing to improve

Jul 15, 2025
Was there anything that you feel was outstanding?
Dr Grus has been my Doctor for almost 30 years. He has always been attentive to listen and diagnose from the symptoms I have. Great Doctor.
What could have been done to improve your experience?
Nothing