Mark Grossklaus, MD

Family medicine
Patient Rating
5 / 5 (Based on 196 reviews)
Accepts new patients 17 years and younger only Insurance accepted

Mark Grossklaus

About me

Philosophy of care

“I enjoy caring for individuals of all ages, which provides the opportunity to treat entire families. I like the challenge of pursuing a diagnosis and identifying a course of treatment to help my patients feel better.”

Gender

Male

Hobbies and Personal Interests

Dr. Grossklaus is married with three children and a dog. He enjoys spending time outdoors, biking and fishing. Dr. Grossklaus regularly competes in biathlons and annually in the American Birkebeiner’s signature ski race in Hayward, Wisconsin. He is also a professional driving education instructor at Road America.

My location

Education

Medical School

University of Wisconsin School of Medicine and Public Health, Madison, WI

Residency

Mayo Clinic-Franciscan Healthcare, St. Francis Medical Center, La Crosse, WI

Certifications

Board Certifications

Family medicine

Reviews

August 26, 2026
We had Dr Grossklaus for over 25 years. He's always been great at diagnosing and helping us figure things out either by prescription or simply by something we can do ourselves. He was great with all 5 of our kids-from babies to adulthood. He's also just as good with adults. Very personable, really good diagnostic skills, and always kind, neutering and helpful when in for an office visit or If things come up and need to msg him.
August 17, 2026
I really liked Dr. Mark and will keep seeing him as my doctor.
August 17, 2026
This was my first time meeting my Mom's Doctor who now is mine and my sister's. We like him, he answered our questions and was nice.
August 12, 2026
It was an excellent experience as usual.
August 5, 2026
Everything was good, as always.
August 3, 2026
Only discussed meds at medical appts., not PT visits.
July 29, 2026
Very good visit. On time the doctor gave me good information.
July 29, 2026
I was glad I was able to see Dr. Grossklaus. He has been my primary doctor since I moved to Wisconsin in 2000. I have been extremely pleased with his professionalism and care over the years.
July 29, 2026
I am incredibly thankful to Dr. Grossklaus and his staff for the exceptional care I am given at every visit. Dr. Grossklaus always takes the time to listen to my concerns and explain everything in a way that is easy to understand. I am very grateful to have a healthcare provider who is dedicated to his patients well-being!
July 27, 2026
I have been seeing Dr. Grossklaus for over 20 years. He is an exceptional physician and has always helped me not only to resolve medical issues, but to prevent them as well.
July 15, 2026
Had a physical all good
July 13, 2026
Dr. Grossklaus has been my health care provider for many years. I find the service and advice to be exceptional.
July 13, 2026
Always the best of care.
July 1, 2026
Excellent experience overall.
June 10, 2026
My visit was excellent as usual
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