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Green River

Physical therapy in Green River, Wyoming

Fremont Therapy Group operates a clinic in Green River, Wyoming under the name of Summit Physical & Sports Therapy. 

Summit Physical and Sports Therapy offers a full range of rehabilitative treatment services for orthopedic conditions, post surgical recovery, and sports injuries. Neurological, balance and vestibular services are also provided. Our emphasis is on individualized care by licensed professional staff. The following link will direct you to their website.

Summit Physical & Sports Therapy

Our Staff

Kris Nelson

Kris Nelson
Director and Co-owner of the Green River Clinic


Kris is the Director and assumed ownership of the clinic in 2014. He brings more than a decade of experience in the outpatient orthopedic setting, and delivers personalized solutions to his patients. After earning his Master of Physical Therapy from the University Of North Dakota in 1999, Kris has honed a diverse set of physical therapy skills.  He counts foot and ankle rehabilitation, including the fabrication of custom orthotics as well as sports specific rehabilitation as an area of special interest. He has extensive experience in general orthopedics with emphasis in manual therapy, knee and shoulder rehabilitation, and golf rehabilitation and performance enhancement. Kris utilizes his expertise in a multimodal treatment approach that has proved to be effective with his patients.

In 2015, Kris earned his Certified Hand Therapy (CHT) certification by the nationally recognized Hand Therapy Certification Commission.  As a CHT, he specializes in treatment of the upper extremity and has achieved the highest level of competency in the profession.  Through continuing education and training, Kris remains knowledgeable about preventive care, current surgical techniques, post-surgery therapy programs, and fabrication of custom upper extremity splints. 

When Kris is not helping patients, he takes advantage of Sweetwater County’s beauty with activities such as hiking, camping, golf, and floating the Green River.  Kris and his wife Stacey have two children, son Camden and daughter Brinley.

Nick Hastert

Nick Hastert


A Green River native, Nick joined Fremont Therapy Group in 2017 and is happy to be treating patients in his home state. He became interested in physical therapy after spending time in therapy for knee injuries and employment as a physical therapy tech in high school. Nick enjoys treating various patient populations including: those recovering from sports injuries, neurologic populations, and those recovering from orthopedic conditions.His special interests are in sports medicine and orthopedics and plans to pursue certifications in these areas. Another area of special interest is pain neuroscience education, used in the treatment of chronic pain as well as other conditions. Nick also has additional training with Dry Needling and looks forward to expanding on this unique knowledge to help patients improve function and movement.

Nick earned his Doctor of Physical Therapy degree from the University of North Dakota in 2017, his Bachelor of Science degree in Kinesiology and Health Promotion from the University of Wyoming, and Associate of Science Degree with an emphasis Pre-Health Science from Western Wyoming Community College.

When Nick is not helping patients, he enjoys spending time playing and watching sports and enjoying the outdoors with activities such as: hiking, fishing, backpacking, and skiing. You will often find him out walking his chocolate lab, Clementine. 

Jake Flores

Jake Flores
- Physical Therapy Tech


Jake recently graduated from UW with a BS in Kinesiology and a Minor in Psychology. Originally from Green River, he returned to work as a PTT while he gains experience and applies to PT school.

Jake has always been fascinated with how the body moves and loves helping people. He knows he can make more of an impact on individuals who need it by expanding his scope of practice as a physical therapist in the future.

When he's not in the Green River Clinic, you can find him by the lake or in the mountains, hiking, fishing...basically anything in the outdoors.

Kelsey Wilson

Kelsey Wilson
-Patient Care Coordinator


Kelsey grew up in Green River and holds an Associate Degree in Exercise Science from Western Wyoming Community College. With a passion for health and human anatomy, she has completed several fitness/wellness certifications including the ACE Personal Training program and a 200 Hour Yoga RYT certification. 

In 2016, Kelsey and her business partner opened Soul Studio, LLC, a yoga/wellness center in Green River. Her evenings and weekends are spent teaching yoga and fitness classes. When not working, you will find Kelsey exploring the greenbelt trails with her two daughters and Jack Russell terrier, Bizzy Bone. 

Kelsey believes that quality patient care begins with the first step through the door, so you can expect to see a big smile with every visit!


Sierra Nussbaum

Sierra Nussbaum
Physical Therapy Tech

Raised in Green River, Sierra recently graduated from Washington State University with BS in Kinesiology and Minor in Strength and Conditioning. She admires the complexity and intricacy of human body movement. Currently, Sierra is applying to an accelerated nursing program at the University of Wyoming and coaching the Green River High School boys and girls swimming/diving teams. Her ultimate professional goal is to provide Cardiac Rehabilitation care to patients of all ages--improving their quality of life through exercise prescription and health education.

Sierra has a long history of competitive swimming and water safety instruction, which makes aquatic therapy one of her preferred forms of treatment. Helping patients transform their weaknesses into their strengths is Sierra’s favorite part of therapy.

While not in the pool or studying, Sierra enjoys hiking, camping, traveling and spending time with family and friends.

Ally Davis

Ally Davis
- Marketing Director


Ally worked in the background for several years helping Fremont Therapy Group and is now the Director of Marketing for all five clinics.  She implements marketing strategies, manages digital marketing & social media and oversees campaigns, PR and events. Ally also helps foster relationships in the communities where we treat and care for patients.

Ally was born and raised in Lander, Wyoming and left to attend college at the University of Montana right after high school. After graduating with a B.A. degree in Broadcast Journalism she worked as a TV reporter for three years in Missoula. She then moved to Los Angeles to work in the entertainment industry while her husband attended PT school. After spending 8 years away, she returned to Lander to work at a local software and marketing company.

Ally loves living in Wyoming close to friends, family and good people. She enjoys helping businesses tell their stories through marketing and media. When she’s not at work you can find her hosting dinner parties, capturing life via camera, and traveling with her husband & twin boys.

Stacey Nelson

Stacey Nelson
- Insurance Billing Specialist


After numerous years working in the science education field, Stacey is now focusing her efforts on helping Fremont Therapy Group continue to grow and provide exemplary care to the people of Wyoming.

Stacey works with the therapists to ensure accurate billing of services for our patients.  In addition, she serves as a liaison for referral sources in Sweetwater County, making certain our patients receive the best treatment possible.

Stacey is a Wyoming native and often can be found photographing unsuspecting wildlife, floating the Green River, hiking, and chasing her one canine kid and two human kids around town.

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