Epicenter Therapy Services in Bozeman, Montana
Our goal is to provide the best for the children who need the most
Physical Therapy Staff

Physical Therapy (PT) is a health care profession concerned with identifying and maximizing quality of life and movement potential.  Physical therapy is a process where movement potential is assessed and goals are agreed upon, using knowledge and skills unique to the physical therapist.


Sheri Simkins PT, PCS

Sheri received her BS in Physical Therapy from the University of Puget Sound.  She is APTA board certified as a Pediatric Clinical Specialist in Pediatric Physical Therapy and has over 30 years experience.  Sheri is trained and certified in Neuro Development Therapy (NDT) in both pediatrics and infant therapy.  She specializes in bracing, orthotics and serial casting.  Her pediatric experience includes a wide variety of neurological, orthopedic and congenital issues resulting in developmental delays or movement impairment.

Kimberlee Raynovich MPT, PCS

Kimberlee received her Bachelor's degree from the University of Colorado and her Master's degree from Columbia University.  She has practiced in New Jersey and New York in hospital, school and private settings and has over 20 years of experience.  She is a Pediatric Certified Specialist whose specific interests include manual therapy, particularly of the spine, respiratory retraining, orthopedic rehabilitation and serial casting.  She has experience with children who have wide and varied issues including neurological, orthopedic and developmental delay problems. 

Sarah Riley, DPT

Physical Therapy

Sarah Riley received her Doctorate of Physical Therapy degree from Mount Saint Mary's College in Los Angeles.  Sarah sees patients in the clinic and in the pool for aquatic therapy. She treats children with all types of disabilities and pediatric orthopedic conditions.  She completed her doctorate degree in 2011 and brings with her a fresh approach and high energy in working with and treating children.

Karna Johnson, MS, PT, HPCS

Physical Therapy

Karna received her Bachelor's degree from Eastern University in St. David's, PA and her Master's degree from Widener University in 1999.  She has practiced in Delaware, Pennsylvania and Montana in general outpatient, private pediatric and outpatient head injury settings.  She specializes in physical therapy that utilizes equine movement (hippotherapy) to promote functional gains in postural control, postural alignment, sensory integration and overall strength and mobility.  She is the first in the state to have the HPCS designation.  HPCS is a designation of therapists who have advanced knowledge and experience in utiliziing equine movement as a part of an integrated rehabilitation approach.  She is an AHA Level II Registered Therapist and PATH Certified Theraputic Riding Instructor.  She has developed a hippotherapy program located at Eagle Mount in Bozeman, MT and also serves on the volunteer Top Hand Board for the equestrian program at Eagle Mount.