Michael B. Ganz, MD

Nephrology

Accepting New Patients
4.9724407 out of 5 (254 ratings)

Locations

1

2900 12th Avenue North
Suite 400E
Billings, MT 59101
406-237-5768
2

424 Yellowstone Avenue Ste 310
Suite 310
Cody, WY 82414
406-237-5768

About Michael B. Ganz

Specialties
Nephrology
Hospital Affiliation
Holy Rosary Hospital
St. Vincent Regional Hospital
Provider Gender
Male
Language
English
Age Groups Seen
Adult 19-64
Older Adult >65

Experience

Training

Yale University School of Medicine

Fellowship, Nephrology, 1988

Yale University School of Medicine

Fellowship, Nephrology, 1986

Drexel University College of Medicine-Center City

Medical School, 1982

University of Illinois at Chicago

Residency, Internal Medicine, 1985

Board Certifications

Internal Medicine

American Board of Internal Medicine,

Nephrology

American Board of Internal Medicine, 1988

Ratings & Reviews

Our patient satisfaction surveys, conducted by the independent research firm Press Ganey, present a thorough and accurate picture for patients and their families. Using national best practices, we have developed an initiative to provide patient satisfaction ratings for select SCL Health Medical Group providers. For more information, please visit https://www.sclhealth.org/about-star-ratings/

4.9724407 out of 5 
254 ratings, 87 reviews
09/26/2025

Best doctor ever

09/25/2025

Dr. Ganz is always helpful with any questions I may have and also very friendly!

09/23/2025

Very good dr and wise ,, kind and helpful with my CKD

08/22/2025

Dr Ganz helped me with a blood pressure problem other doctors were no able to.

08/14/2025

He's a great doctor and cares for his patients and there needs.

08/09/2025

Makes you feel at ease. Of all the doctors I've seen in my 74 years he is in the top two

07/31/2025

Very nice

07/31/2025

Like him

07/31/2025

I enjoy Dr Ganz very much much! He’s the reason I keep coming back.

07/28/2025

I wouldn't change a thing!!! Dr. Ganz is the best!!

07/28/2025

Very knowledgeable and professional

07/25/2025

I am extremely happy.

07/18/2025

He is always on time, great personality, so very smart, caring, and he listens!

07/11/2025

He listened.

07/06/2025

Excellent doctor

06/27/2025

Best kidney doctor in the state of Montana

06/19/2025

He is gentle and caring

06/05/2025

Great Doctor

06/02/2025

A very knowledgeable and caring doctor

05/01/2025

THE BEST

04/26/2025

Dr. Ganz makes it easy to communicate with him and he responds to my questions and concerns and gives his input when requested. He s an excellent doctor!!

04/24/2025

Very happy

04/07/2025

Very comfortable environment and educational.

04/06/2025

Very trustworthy information from Dr. Michael Ganz

04/05/2025

Awesome caring and sincere.

03/28/2025

Dr. Ganz is the best doctor I have ever had, and he literally saved my life.

03/28/2025

He is very attentive, intelligent & obviously caring.

03/24/2025

Listened to my concerns explained things in a understandable language cared about my wellbeing

03/21/2025

He saved my life during my kidney transplant.

03/20/2025

Very personable and caring

03/15/2025

a caring MD

03/15/2025

dr. Van Gantz is a very good doctor. I’ve been with him for years. I wouldn’t want anybody else.

03/14/2025

A+ professional doctor, the best!

03/11/2025

Doctor had a great ease about him. Very comfortable talking with him and visiting about the test results and he had good positive recommendations for healthy living choices going forward. That was kind of a bonus on top of getting just the test results explained. He went the extra mile spending some extra time on the go forward look on what’s best for your body’s system.

03/08/2025

I had a very good impression of Dr Ganz the first time I met him and it's only gotten better since then.

02/02/2025

I only see him once a year and to hear of my improvement on my kidney. Dr. Ganz is so understanding he is always happy. That's the big picture being happy.

02/01/2025

I just can not say enough good things about Dr. Ganz. I wish more doctors could be like him.

01/21/2025

Dr Ganz has read my history before I arrive he understands my health issue and he is excellent!

01/20/2025

A wonderful and caring doctor.

01/16/2025

Dr. Ganz is kind and compassionate to my needs.

01/11/2025

Good results and understanding...

01/09/2025

Excellent communication and demeanor with patients.

12/20/2024

He took the time to answer all my questions about my recent hospital stay and tests.

12/18/2024

He is great

12/16/2024

A very loving, caring, spiritual experience. Thank you.

12/09/2024

Dr. Gantz is really great guy!! Wish they were all like him!

12/07/2024

He knows a lot about my situation and I trust him with my health issues...thanks doc..

11/24/2024

Dr Ganz is very compassionate and humorous.

11/23/2024

Simply the best.

11/12/2024

He is fantastic

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