Ronald Pacis, D.O.

Invasive Cardiology

160 E. Warwick Drive, Suite C

Alma, MI 48801 Directions

(989) 466-3621

4.8 out of 5

415 verified ratings

2 Locations



415 Ratings, 270 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.
AI Overview

Patients consistently praise Dr. Pacis for his expertise, caring bedside manner, clear explanations, and attentive listening. The clinic staff are repeatedly described as friendly, professional, and helpful, contributing to a positive, welcoming experience. Several comments highlight effective cardiac care (including AFib management) and thoroughness in diagnostics and test coordination. A few notes mention occasional communication or administrative errors by nurses or staff. Overall sentiment is strongly positive and trusting.

Generated from the text of patient reviews
This AI summary is automatically generated from published patient reviews. It highlights common themes from the reviews, but as with all AI-generated content, there may be errors. Please exercise caution and refer to the original reviews for full context.

Mar 12, 2026
Super doctor and no nonsence just facts enjoy the honesty and friendlyness

Mar 11, 2026
What would you tell family and friends about your experience with this provider?
Excellent Doctor

Mar 5, 2026
What would you tell family and friends about your experience with this provider?
Highly recommend Dr. And staff....kindness...+++

Mar 5, 2026
What would you tell family and friends about your experience with this provider?
I have only been to him once so I cant be a judge of him right away. From what I can tell so far, he seems to really have a heart for my well being. He seems to want to run some tests to rule out things before he can diagnose or give me an answer to some of my questions. He seems very knowledgable and seems serious about his job. The receptionists and nursers are extremely nice and frirndly.

Mar 4, 2026
What would you tell family and friends about your experience with this provider?
Dr Pacis is a very knowledgeable doctor. This was my first encounter with him and I was impressed with his thoroughness, his explanations for upcoming tests he wanted, and his general care.

Mar 3, 2026
What would you tell family and friends about your experience with this provider?
Always a pleasure to see Dr. Pacis. He is caring, understanding and concerned about maintaining healthy goals. Responses to questions and concerns are always answered in a timely manner.

Feb 27, 2026
Very nice and knowledgeable.

Feb 27, 2026
What would you tell family and friends about your experience with this provider?
Good place to go

Feb 27, 2026
What would you tell family and friends about your experience with this provider?
Would recommend to any family member or friends.

Feb 21, 2026
What would you tell family and friends about your experience with this provider?
Myself and my family member whom accompanied me that day to help w: information was very satisfied w: all around care and information provided.. Making it easier to continue w: scheduled surgery

Feb 18, 2026
What would you tell family and friends about your experience with this provider?
Dr. Pacis is so pleasant & his staff is too, thanks.

Feb 16, 2026
What would you tell family and friends about your experience with this provider?
He’s a great Dr

Feb 12, 2026
What would you tell family and friends about your experience with this provider?
Knowledgeable DR. Good care for me

Feb 12, 2026
What would you tell family and friends about your experience with this provider?
Very qualified, truly interested in your medical needs and responds accordingly.

Feb 9, 2026
What would you tell family and friends about your experience with this provider?
He's very friendly and makes you feel like he really cares. Explains everything in depth.

Feb 7, 2026
What would you tell family and friends about your experience with this provider?
Excellent choice if one needs a top notch cardiologist!

Feb 6, 2026
Dr Pacis is professional, but kind and caring. He and his staff are one of the best offices I have been too. I highly recommend Dr Pacis. He actually listens to what I have to say.

Feb 6, 2026
What would you tell family and friends about your experience with this provider?
Dr Pacis and his staff are professional, kind, and caring. His office is one of the best that I have ever been to! I am so impressed with the doctor and his staff. I would definitely recommend them to family and friends.

Jan 26, 2026
What would you tell family and friends about your experience with this provider?
The provider or Dr. is good but many mistakes are done by nurses or office staff.

Jan 26, 2026
What would you tell family and friends about your experience with this provider?
Wonderful doctor. I recommend him to anyone who needs cardiac care.

Jan 26, 2026
What would you tell family and friends about your experience with this provider?
Great Dr! Great Person!

Jan 26, 2026
What would you tell family and friends about your experience with this provider?
He was knowledgeable, friendly, and a good sense of humor, and I was in and out a short time with a lot of information

Jan 23, 2026
What would you tell family and friends about your experience with this provider?
Amazing doctor, amazing staff. Felt very comfortable in his care!

Jan 22, 2026
What would you tell family and friends about your experience with this provider?
Great place staff and physicians

Jan 22, 2026
What would you tell family and friends about your experience with this provider?
I have told them that I found a Dr that is very caring and compassionate and can help me.

Jan 22, 2026
What would you tell family and friends about your experience with this provider?
Dr Pacis is very professional and explains everything so that you understand what your health condition is in.

Jan 22, 2026
What would you tell family and friends about your experience with this provider?
Was interested in my case

Jan 21, 2026
What would you tell family and friends about your experience with this provider?
I am very happy with the care I have been given.

Jan 21, 2026
What would you tell family and friends about your experience with this provider?
Great

Jan 19, 2026
What would you tell family and friends about your experience with this provider?
Very good

Jan 18, 2026
What would you tell family and friends about your experience with this provider?
This Dr is Amazing, He has Helped me so much with my POTS and he has help me with my medical scare with my chest pain and heart pain. And I highly recommend him. Im a new patient but I have seen him a few times and I just get a great feeling he's one of the good caring doctors out there. Not one to brush you off. [NAME]

Jan 17, 2026
What would you tell family and friends about your experience with this provider?
Very nice and friendly Dr. It's always nice to have a dr.you like.

Jan 16, 2026
What would you tell family and friends about your experience with this provider?
Professional and explains things to ensure I understand

Jan 14, 2026
What would you tell family and friends about your experience with this provider?
I like him and the staff. They care

Jan 14, 2026
What would you tell family and friends about your experience with this provider?
Very professional, excellent service and friendly. Very pleased with their care and expertise!

Jan 14, 2026
What would you tell family and friends about your experience with this provider?
My first visit to his office after my hospitalization was comforting. He took all the time I needed to go over my diagnosis. He addressed all my concerns so that I could better understand my health situation. He encouraged and comforted me, making me feel optimistic about my potential recovery. Incredibly encouraging.

Dec 27, 2025
I had to travel over 3 hours to get to his office and it was worth it. He was timely, knowledgeable, explained everything in detail and was very nice. His staff wS also very helpful and kind. It was a great experience and even tho the distance is great, I will continue to see only him when the need arises. I have also recommended him to my family. Thank you doctor and staff!! I was there for a scary health situation and you took care of me with great concern and care!!!!

Dec 27, 2025
What would you tell family and friends about your experience with this provider?
That the staff is very personable and friendly. They were helpful and knowledgeable about the tests that were scheduled. They were just super nice and helpful and I would recommend them even tho we live 3 hours awaY. I will continue to see him If the need arises. Thank you doctor and staff!!

Dec 23, 2025
What would you tell family and friends about your experience with this provider?
Very attentive. Very professional

Dec 21, 2025
What would you tell family and friends about your experience with this provider?
Very pleased with Dr. Pacis and his staff. Dr. is very easy to talk with and listens to my concerns. Highly recommend

Dec 18, 2025
What would you tell family and friends about your experience with this provider?
The whole process was very good and the possibility of new times being text me was a great idea

Dec 18, 2025
What would you tell family and friends about your experience with this provider?
He listens and takes his time explaining

Dec 18, 2025
What would you tell family and friends about your experience with this provider?
Very good service

Dec 17, 2025
What would you tell family and friends about your experience with this provider?
Dr Paris knows my medical history and why I see him. He was genuine and respectful. I would recommend him to others who are in need of a cardiac.

Dec 17, 2025
What would you tell family and friends about your experience with this provider?
Good visit…not what I expected but was clearly explained to me. Looking forward to a healthier me.

Dec 17, 2025
What would you tell family and friends about your experience with this provider?
Always feel this office is doing their best to keep me healthy

Dec 10, 2025
What would you tell family and friends about your experience with this provider?
I would recommend Dr.Pacis to anyone needing a cardiologist.

Dec 9, 2025
What would you tell family and friends about your experience with this provider?
Dr was easy to talk with he explained things in a easy to understand manner very knowledgeable

Dec 8, 2025
What would you tell family and friends about your experience with this provider?
Very thoughtful and efficient.

Dec 8, 2025
What would you tell family and friends about your experience with this provider?
Happy