BJ Zelenik

LeRoy High School football is in safe hand with CIOS! Dr. Brett Keller, his athletic training staff, and office personnel are very professional to work with. We never have an issue getting athlete evaluated and treated. IT feels good to know our athletes and their families will be treated with respect and receive such quality […]

Posted: November 2, 2018 | View More »


As an athlete, I found out something that no athlete ever wants to hear; I had torn my ACL. When I learned the diagnosis, I had so many questions and thought going through my mind. Dr. Keller and his team at CIOS and NORC were always there to answer my questions and help me through […]

Posted: November 2, 2018 | View More »

Wendy Smith

As the Director of Athletics and Activities at University High School, I have had the opportunity to work directly with Dr. Brett Keller and his staff at CIOS for the past several years. Dr. Keller has been an excellent medical partner for our student-athletes and their parents and a phenomenal resource for our Athletics Trainers. […]

Posted: November 2, 2018 | View More »

Christine DeBolt

Dr. Keller has surgically replaced both my knees. the knees are super good as is Dr. Keller! He’s professional, skilled, and very concerned about his patients. He has vastly improved the quality of my life.

Posted: September 24, 2018 | View More »

Lori Bittle Biehl

I read your article in Healthy Cells. I just wanted to say it was an awesome read. Your office deserved the recognition, your office is so pleasant, can not wait to see it. Although I do hope its awhile, lol.  Tell Dr. Keller “hello”.

Posted: September 24, 2018 | View More »

Sandi C.

I have suffered with knee pain for several years. I was kicked on the outside of my rt. knee while loading cattle in 1993.  At first it could be addressed with linement and extra strength meds. After moving to Illinois and lack of exercise it became very painful.  I fell and landed on my rt […]

Posted: September 24, 2018 | View More »

Tom Critchfield

After I fractured my hip the CIOS team took me from totally bedridden to normal activities a couple of months faster than expected. My surgery with Dr. Keller turned out as well as anyone could hope, and his awesome physical therapy team guided me through every step of recovery. I can’t say enough about the […]

Posted: August 29, 2018 | View More »