Our Doctors

Dr. Clayton Hall, D.C.

Dr. Clayton Hall’s passion is helping active people stay healthy so they can continue the activities they enjoy!

Dr. Hall is the lead healthcare provider at Mobility Chiro Therapy located in The Woodlands, Texas. He is a graduate of Parker Chiropractic College and is board certified in chiropractic and acupuncture by the National Board of Chiropractic Examiners.

Prior to attending chiropractic school, he received a bachelors degree in Exercise Physiology from Texas A&M University. Clayton is an avid golfer, CrossFit athlete, and runner.  

To make an appointment with Dr. Hall at his office in The Woodlands, please use our convenient web form or call 281-202-7812.

Clayton accepts self pay, Blue Cross Blue Shield, and Aetna. 

Clayton cannot accept Medicare Patients.

Dr. Robbie Knorr, D.C.

Dr. Robbie Knorr has a passion for helping athletes return to the activities they love through chiropractic care and sports medicine. Robbie has enjoyed running from a young age and ran competitively through college at Baylor University, where he earned a degree in Exercise Physiology. 

He continued his education at Cleveland Chiropractic College, graduating in 2016, before furthering his studies in areas of soft tissue and rehab techniques. Robbie has since had extensive training in Active Release Technique, FAKTR, Functional Dry Needling, Selective Functional Movement Assessment/Functional Movement Screen, OnBaseU Pitching screen, and Dynamic Neuromuscular Stabilization.

Prior to being part of the team at Mobility Chiro Therapy, Robbie spent four years treating athletes at a sports clinic in Austin, Texas. He is excited to be part of this great community in The Woodlands. In his spare time Robbie enjoys hiking, finding new coffee shops, weight lifting, and spending time with his wife, daughter, and their dog.

To make an appointment with Dr. Knorr at his office in The Woodlands, please use our convenient web form or call 281-202-7812.

Robbie accepts self pay and Blue Cross Blue Shield, United Health Care, and Aetna. 

Robbie cannot accept Medicare patients.

Daniel Brown
Rehab Specialist & Performance Trainer

Daniel Brown has built his career around movement, performance, and helping others reach their potential. A former football and track athlete at Abilene Christian University, Daniel began his professional journey training young athletes with CAPelite, where many of his clients went on to earn Division I scholarships. He later co-owned and coached at CrossFit Conroe for nine years, fostering a strong community centered on fitness and resilience.

Today, Daniel brings his passion for movement and performance to our clinic, helping patients and athletes of all ages move better, recover faster, and perform at their best. Outside the clinic, he continues to invest in local athletes as a coach for soccer and track at The Woodlands Christian Academy. Dedicated and driven, Daniel is proud to serve The Woodlands community and help people achieve their health and fitness goals.

Sam Ryan, MSPAS, PA-C
Physician Assistant, Sports Medicine

Sam Ryan, MSPAS, PA-C, is a board-certified physician assistant specializing in sports medicine and regenerative therapies. He earned his Master of Physician Assistant Studies from the University of St. Francis in Albuquerque, where his thesis focused on regenerative injection therapy for upper extremity injuries.

Before PA school, Sam completed both his Bachelor of Science in Kinesiology and his Master of Science in Neuromuscular Science (emphasizing Human Performance) at Texas Tech University. There, he developed and taught a curriculum in dietetics and exercise physiology as a graduate teaching assistant, and also served as a strength and conditioning intern for Texas Tech’s men’s and women’s basketball teams.

Sam is certified as a Strength and Conditioning Specialist (CSCS) by the National Strength and Conditioning Association and as an Exercise Physiologist by the American College of Sports Medicine. His professional experience includes orthopedic surgery assisting, clinical sports medicine care, and running a regenerative injection clinic. He continues to broaden his expertise while also working as an urgent care provider.

Outside of work, Sam enjoys the outdoors, hunting, playing piano, and cooking. He’s also bilingual and speaks conversational French.

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