Physical Therapists

All of our therapists are board-certified and able to help you meet your goals.

Janet Knowles

Janet Knowles, PT /Director

Janet received her Undergraduate degree and her Post-Baccalaureate Physical Therapy Certificate from the University of Iowa. Janet has held multiple diverse positions in Physical Therapy. These include: Physical Therapy lecturer at several colleges and universities as well as the clinical education coordinator at Humana Hospital. After moving to Richmond, Janet worked as a Physical Therapist at Tuckahoe Orthopaedics and as an Assistant Director of the department of Physical Therapy at Retreat Hospital. For the last 30+ years, Janet has been the Owner/Director here at Chesterfield Physical Therapy and Massage. Janet stays active in sports medicine, orthopedics, and aquatics in the Richmond area. 

"Our patients always tell us what a great staff we have - with caring positive attitudes and professional dedication. That may explain why we receive a 99.9% satisfaction rating from our patients every year. Whether it's watching surgeries, discussing new techniques with the top neurosurgeon in town, or consulting specialists at the Mayo Clinic, we use every resource available to help solve your problem."


Danny Peterson, DPT

Danny received his BS from Old Dominion University and professional Physical Therapy degree from Marymount University. Danny gained his experience working with a diverse group of patient injuries, including stroke, joint replacement, cardiac, spinal cord, and sports injuries. His association with the Washington Redskins, collegiate, and high school teams, as well as the Wounded Warrior Project, Special Olympics, and various rehabilitation hospitals has provided him with a well-rounded base of knowledge that will be to the benefit of the success of his patients. 

"It is of the utmost importance to me that I gain the trust of my patients from the initial visit. It is through this solid foundation I am able to maximize my skills in order to provide these patients with the best possible quality of care to reach their full rehabilitative potential."

Courtney Mattes, DPT

Courtney gained her Undergraduate degree from William and Mary University where she was a member of Phi Kappa Phi National Honor Society. Along with this, Courtney was a 4-year player on the women's soccer team as a goalie and forward, where she was named a Colonial Athletic Conference Scholar Athlete. She received her Doctorate in Physical Therapy from VCU Medical College of Virginia. Courtney has a special interest in Orthopedic and Sports injuries as well as implementation of spinal stabilization programs. 

"Education plays an instrumental role in the field of Physical Therapy. My education at top universities has provided me with invaluable skills and knowledge, as well as encouraged me to pursue further education throughout my career."


Cody Prosser, DPT

Cody graduated Magna Cum Laude from Texas A&M University with degree in Biomedical Sciences and earned his Doctorate in Physical Therapy at Old Dominion University. Cody has a multitude of experiences with diverse populations, including those with orthopedic injuries, balance and vestibular disorders, and stroke.  While an athlete in high school and college, Cody experienced several injuries of his own. Those experiences give him the compassion and knowledge to provide excellent patient care with maximum results. 

“My education taught me the importance of combining patient input, my clinical experience, and the latest research.  Utilizing these 3 pillars of information allows me to provide the best results for my patients”