Our Team
Dr. Tony Katakis
- Doctor of Chiropractic – Logan University
- Masters in Sports Science and Rehabilitation – Logan University
- Bachelors of Science – Siena Heights University
Since opening St. Louis Sports Clinic, Dr. Tony Katakis has worked with a multitude of Olympic athletes as well as professionals from the NFL, NHL, MLB, and AHL as well as Division 1 and high school athletes of multiple sports. While at Siena Heights University in Adrian, Michigan, Tony played football and earned his Bachelor of Science in Biology. For grad school, he attended Logan University where he received his Master’s Degree in Sports Science and Rehabilitation and Doctor of Chiropractic. Tony brings years of personal experience and expertise from the strength and performance field in order to deliver the most comprehensive manual and movement-based care.
- Chiropractic
- GRIP Approach
- Selective Functional Movement Analysis (SFMA)
- Certified Strength and Conditioning Specialist (CSCS)
- Soft Tissue Therapy
- Movement Rehabilitation
- Dry Needling
- Muscle scraping

Dr. Wyatt Mohrmann
- Doctor of Chiropractic – Logan University
- Bachelors of Science: Exercise Science
Dr. Wyatt graduated from Lindenwood University with a bachelors degree in Exercise Science and Nutrition. While at Lindenwood he played football and worked as a strength and conditioning coach for various sports.
He then went on to Logan University where he obtained his Doctorate in Chiropractic.
Health and fitness are a big influence in Dr. Wyatt’s life. He enjoys getting outside to exercise, is a personal trainer and group fitness instructor. In his free time he enjoys hiking and camping with his wife Mackenzie and their dog Harpo.
He looks forward to educating, and encouraging patients to take an active role in their healthcare through chiropractic and rehabilitation exercises
- Chiropractic
- Soft Tissue Therapy
- Dry Needling
- Muscle scraping
- Movement Rehabilitation
- Selective Functional Movement Analysis (SFMA)
wyatt@stlsportsclinic.com
Dr. Nicholas Patullo
- Doctor of Chiropractic – Logan University
- Bachelors of Science, with Minor in Psychology – Worcester State University
While at Worcester State University, Nick captained his NCAA ice hockey team and earned a Bachelors of Science in Biology as well as a minor in Psychology. For grad school he attended Logan University where he received his Doctor of Chiropractic. During his time at Logan, Nick as began competitive CrossFit where he competed at The CrossFit Games Semifinals in 2022 and 2023. He is also a Level 2 CrossFit coach and coaches at CrossFit Wildwood.
- Chiropractic
- GRIP Approach
- Selective Functional Movement Analysis (SFMA)
- Active Release Technique (ART)
- Soft Tissue Therapy
- Movement Rehabilitation
- Dry Needling
- Muscle Scraping
- CrossFit Level 2 Coach
nick@stlsportsclinic.com
Dr. Jared Littlefield
- Doctor of Chiropractic – Logan University
- Bachelors of Science in Exercise Science – Truman State University
Dr. Littlefield played baseball at the collegiate level at Meramec Community College and Truman State University. While at Truman State, he passed his certification exam to become a certified Exercise Physiologist. After receiving his B.S. in Exercise Science from Truman State, Dr. Littlefield attended and graduated from Logan College of Chiropractic. During school Dr. Littlefield obtained his CSCS certification and has worked as a strength and conditioning coach for three years, helping train and rehabilitate athletes from the middle and high school levels all the way up to the college and professional levels.
- Chiropractic
- Soft Tissue Therapy
- Active Release Technique (ART)
- Dry Needling
- Muscle scraping
- Movement Rehabilitation
- Selective Functional Movement Analysis (SFMA)
- McKenzie Technique (MDT)
jared@stlsportsclinic.com
Dr. Jessica Billham
- Registered Musculoskeletal Sonographer Physician – American Registry for Diagnostic Medical Sonography
- Diplomate in the Specialty of Chiropractic Radiology – American Chiropractic Board of Radiology
- Doctor of Chiropractic – Logan University
- Bachelors of Science – William Woods University
After earning a Doctor of Chiropractic degree, Dr Jessica Billham completed a three-year Diagnostic Imaging Residency at Logan University where she developed a high level of skill in interpreting x-ray, MRI, CT, and ultrasound. Jessica also completed a fourth year Fellowship in Advanced Diagnostic Imaging with emphasis in musculoskeletal ultrasound. As a CrossFit coach and athlete for 10 years, Jessica bridges years of
personal experience and knowledge of athletic populations with her skill as a musculoskeletal chiropractic radiologist to provide the most relevant imaging interpretation to St Louis Sports Clinic patients.
- Musculoskeletal Diagnostic Ultrasound Sonography and Interpretation
- Musculoskeletal diagnostic imaging interpretations of the spine and extremities
- X-Ray
- MRI
- CT
jessica@stlsportsclinic.com
Ashley Cathers
- Bachelors of Science: Health Management – Exercise Physiology
Ashley has been a strength and conditioning coach, personal trainer, and group fitness instructor for more than six years, and previously as an athletic performance intern coach at both Mizzou as well as Southeast Missouri State. While attending SEMO, she received her Bachelor’s of Science in Health Management with an emphasis in Exercise Physiology. Since moving on from coaching, she joined the St. Louis Sports Clinic team in May 2022. Currently at Saint Louis Sports Clinic, she focuses on optimizing operational processes, enhancing patient experiences, and aids in providing personalized care tailored to each patients needs.
- Certified Personal Trainer
- Fitness Nutrition Specialist
- Group Fitness Instructor
- GRIP Approach
ashley@stlsportsclinic.com
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