Biography

Dr. Gregory Mathien was born in Buffalo, New York, and attended State University of New York in Syracuse for both his undergraduate and medical degrees. He remained in Syracuse to complete his surgical internship and orthopaedic surgery residency.

In 1991, Dr. Mathien came to Knoxville for the Sports Medicine Fellowship under the direction of Dr. William T. Youmans. During his fellowship, KOC recruited him to remain as a KOC surgeon and help expand the KOC sports medicine program, enhancing the care of injured athletes. This has evolved into an extensive program placing certified athletic trainers in all Knox County high schools. In developing this program he received the Tennessee Interscholastic Athletic Administrators Association Distinguished Service Award in 2011.

Dr. Mathien currently serves as the Senior Team Orthopaedic Surgeon for the University of Tennessee athletic programs, which involves caring for both U.T. Men's and U.T. Women's athletes in all sports. The University of Tennessee Lettermen's "T" Club has given him Honorary Membership status. 

Dr. Mathien has served as a consultant for the Tennessee Smokies, the Knoxville Ice Bears and Lincoln Memorial University athletics. He has also operated on and cared for many Olympic medalists and professional athletes. He plays an active role in national sports medicine research, including the Multicenter ACL Revision Study.

Dr. Mathien is board certified by the American Board of Orthopaedic Surgery in sports medicine and is a member of the American Orthopaedic Society for Sports Medicine and the American Academy of Orthopaedic Surgeons.

He and his wife, Clara, live in Knoxville. They have two children, Zachary and Rebecca, along with four dogs, all Labrador retrievers. They are active in their church and community activities.

 

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Kelly Creasey, MS, ATC

 

Athletic Trainer/Patient Care Coordinator

Kelly Creasey is a Certified Athletic Trainer (ATC) with Knoxville Orthopaedic Clinic. She earned a bachelor’s degree in health and exercise science from Furman University and a master’s in kinesiology with a specialization in athletic training from Indiana University.

Kelly started at Knoxville Orthopaedic Clinic in 2003 as part of the KOC Sports Medicine Outreach program at Knoxville Catholic High School. She became an athletic trainer because of her love of sports and helping athletes who have the drive to get back on the field after an injury. She currently works full time in the clinic with Dr. Gregory Mathien. 

“There’s nothing better than getting the injured athlete back out onto the field and knowing you did your part to help them get back to doing what they love,” Kelly said.

Kelly enjoys spending time with family, traveling and scrapbooking. She lives in Powell with her husband Justin and two sons, Keltin and Tanner. 

 

Contact Information

 
Office Info KOC: 865-558-4400
Appointments: 865-558-4444
Office Location

Old Weisgarber Road
Fort Sanders West
North Knoxville Medical Center Physicians Plaza

Administrative Assistant

nurse

865-558-4425 or internal ext 4425

865-244-3027 or internal ext 4637

 

Dr. Mathien's Videos

 
 

 

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What patients say about Dr. mathien

  • My 11-year-old grandson plays outfield and pitches on a travel baseball team. He was experiencing some pain in his elbow and then got an injury to that same elbow. Dr. Mathien treated him, which included taking him out of baseball for several weeks. My grandson was very upset, but Dr. Mathien was excellent in handling this. He speaks directly to the patient in a manner they can understand and shows great respect and understanding. Each time we were there, he took that extra moment to give him a "little life lesson." Not only is Dr. Greg Mathien an excellent physician, he is great person!
    – Nina, Knoxville
  • Thanks to my care at KOC, I can walk with no pain in my knee. Sometimes, the best treatment a doctor can give you is to deny your request.

    I saw Dr. Mathien for the first time on April 7, 2016. After looking at my x-rays, he told me that my arthritic knees would probably need to be replaced at some point. Here's the catch - at 58 years old, I weighed 305 pounds (a BMI of 41) and I had all the co-morbid conditions that go with that - high blood pressure, hyperlipidemia, type 2 diabetes, etc. He told me that I was not a good candidate for surgery. I had "backed myself into a corner," he said, and my best course of action was to have bariatric surgery.

    I left the office mad and in a foul mood. I wasn't mad at Dr. Mathien (well, maybe a little). I was mad, humiliated, and embarrassed that I had let myself get into such bad shape. After stewing for a few hours, I made up my mind to take care of my situation. I did not have bariatric surgery because my insurance would not cover the procedure. I did, however, work with my family doctor, and over the next 174 days I lost 110 pounds. Along with that, my blood pressure, lipids, and average blood glucose levels all returned to normal levels. On November 8, 2016, I weighed 188 pounds (a total loss of 117 pounds), which made my BMI 24.9, i.e., normal.

    I returned to see Dr. Mathien in October of 2016. He informed me that I had earned the right to take the next step. I took that next step when, on November 8, 2016, Dr. Mathien performed total knee replacement surgery on my right knee. Now, 14 weeks after surgery, I am back to a high level of activity, but with no pain in my knee.

    I thank God for putting Dr. Mathien in my life at that time. I'm thankful that he cared enough to talk straight with me and tell me what I needed to hear. He didn't tell me anything I didn't already know, but somehow hearing it out loud made it real and made me give it the attention it deserved.

    I'm also thankful for the skill and expertise he used when he performed my surgery. The operation was a total success, and for the first time in about 30 years, I'm pain free in my right knee.

    I recommend Dr. Mathien without qualification. He is the best. Period.
    – Cliff, Walland
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Education

  • B.S., State University of New York, in Association with Syracuse University, 1982
  • M.D., State University of New York Health Science Center, 1986

Internship

  • General Surgery, State University of New York Health Science Center, 1987

residency

  • Orthopaedic Surgery, State University of New York Health Science Center, 1991

fellowship

  • Sports Medicine, Knoxville Orthopaedic Clinic, 1992

Began Practice At KOC

  • 1992

Board Certification

  • American Board of Orthopaedic Surgery - Subspecialty Sports Medicine

Professional Distinctions

  • Adjunct Assistant Professor - The University of Tennessee Exercise Science Unit
  • Orthopaedic Team Physician - The University of Tennessee Athletic Department
  • American Orthopaedic Society for Sports Medicine
  • American College of Sports Medicine
  • American Academy of Orthopaedic Surgeons
  • Wilderness Medical Society

Certification

  • ATLS Certified by the American College of Surgeons

Specialty

  • Sports Medicine and Athletic Injuries
  • Knee Surgery