Meet Our Team


Dealing with every day pain can be difficult and you shouldn’t have to do it alone. The Catalyst Physical Therapy team is composed of certified, highly skilled, and experienced physical therapists who always have the patients’ best interests and well-being at heart. Meet the faces that are running our Physical Therapy Clinic, and schedule an appointment today!


Rebekah Stamp, MSPT

Owner & Physical Therapist

After receiving a degree in Communications from the University of Iowa , Rebekah furthered her education at the University of Montana, earning her master’s degree in Physical Therapy in 1999.

Rebekah is predominantly an industrial physical therapist, working with employers and workers to decrease the incident of injuries on the job and get employees back to work more quickly.   She also specializes in orthopedic rehabilitation and vertigo.

Outside the office, Rebekah loves spending time with her husband and kids. The family of four likes to spend their weekends hiking, camping, skiing, and following the kids’ competitive soccer, swim and wrestling teams. Rebekah is also heavily involved in the community, serving as the Vice-President of the Bitterroot Swim Team, a board member of the Hamilton Middle School PAC, a member of the Bitterroot Valley Chamber of Commerce LEADS group, and of the Missoula Businesswomen’s Network.

Rebekah has a wonderful reputation in the Bitterroot Valley as a caring and loyal friend and colleague, and as a highly effective and personable physical therapist.

Dr. Angela Saporita, DPT, OCS, FMS

Physical Therapist & Clinic Manager

Angela earned her Doctorate of Physical Therapy in 2011 at the University of Missouri. She moved to Hamilton in 2011 and has enjoyed working with Bitterroot Valley residents ever since. In 2014, Angela achieved national recognition by becoming board certified as an Orthopedic Clinical Specialist (OCS) by the American Physical Therapy Association. This certification demonstrates an advanced level of knowledge, experience, and skill in orthopedics. Only 4% of physical therapists nationwide have earned this accreditation. Angela has also completed advanced training in functional dry needling through Kinetacore. She is a certified expert in the Functional Movement Screen (FMS) and provides complimentary consults to the public.

Angela’s passion for injury prevention combined with her experience as a PT and Functional Movement Specialist led her to complete 200 hours of yoga teacher training in 2016. She is now a certified yoga instructor and enjoys weaving fibers of yoga into her physical therapy program as well as incorporating anatomy and functional movement into her yoga classes.

Angela enjoys exploring the Bitterroot Mountains with her husband, Dan, and spends her free time fly fishing, playing soccer, snowboarding, and hiking.

Dr. Caleb Kemp, DPT

Physical Therapist

Caleb graduated from the University of Montana Physical Therapy program with a Doctorate of Physical Therapy in 2018. Prior to PT school, his background was in exercise science, health and human performance, and gerontology. His specialties include spinal and extremity joint mobilization and high velocity thrust technique, pain neuroscience, running video assessment and injuries, and general orthopedics. He believes in, and practices by, the three pillars of superior patient care; patient preference, best evidence practice, and clinical expertise.

Caleb was born and raised in Helena, MT and has resided in the Bitterroot Valley since 2000. He and his wife are currently raising their son and daughter in Hamilton. They enjoy biking, skiing, boating, hiking, fishing, camping, and playing bluegrass together. Caleb worked as a timber framer and fine furniture maker in the Bitterroot for 12 years before returning to school to achieve a Doctor of Physical Therapy degree.

Dr. Amy Messer, DPT

Physical Therapist

Amy received her Doctor of Physical Therapy education at Eastern Washington University, graduating in 2010. Following graduation, Amy worked in a variety of settings throughout the United States as a traveling PT. She brings a wide range of experiences back with her and looks forward to serving the community. Amy believes in providing evidence-based care and tailoring physical therapy services to address the unique goals of each patient.  As a former collegiate athlete, Amy understands the importance of injury prevention and successful rehabilitation. Professional areas of interest include post-surgical care, sports rehabilitation including injury prevention and treatment of overuse injuries.

While not working, Amy enjoys spending time with friends and family. You'll find her enjoying the beauty of the Bitterroot with her husband and two dogs - rock climbing, skiing, hiking and gardening.

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Kaylie Ueland, PTA

Physical Therapist Assistant

Kaylie graduated from the University of Montana with a Bachelors Degree in Sociology with a minor in PT in 2016. She decided to further her physical therapy education by attending Flathead Valley Community College where she earned her Associate in Applied Science Physical Therapist Assistance degree. Kaylie plans to continue to expand her knowledge by attending continuing education classes to obtain new skills to be able to give her patient’s the best care possible.

Kaylie puts great value on having good communication with her patients and improving each patient’s quality of life. Her approach to PT mirrors these values and results in compassionate and effective treatments.

Kaylie is a native of Montana, and grew up on a ranch outside of Anaconda. When she is not working she enjoys spending time with her family, friends and two cats. You will always find her playing in the mountains, from hiking in the Bitterroots to snowboarding in the frosty weather.

Angie Grimes

Angie has been working in the medical field for over 25 years, beginning in Missoula by working in Oncology, Pediatrics & Dermatology as well as various other departments. In 1997, her and her husband relocated to beautiful Hamilton, MT. After raising their kids, she has been working with Catalyst Physical Therapy as the Front Office Manager where she strives to ensure that the clinic runs smoothly. Angie is dedicated to making everyone's experience positive from your first interaction at the door to hearing her helpful smile through the phone!    

In her spare time, Angie loves to spend time with her family and friends, which includes her husband, kids, and dogs. Her passions are travel, occasional downhill skiing, lake activities, following her kids (you never know where they will lead you to), and trips to Seattle to watch the Sounders soccer team play!

Front Office Manager

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Kelsey Remus

Billing Specialist

Originally from Northeast Montana, Kelsey moved to Hamilton in 2014 after attending Montana State University in Bozeman. She began her career in Medical Billing in 2018 for a local family practice. She enjoys working with patients and making sure their medical needs are covered physically and financially. She is always eager and ready to help patients with account and insurance issues.

Outside of work, Kelsey enjoys spending time with her family and friends. She is a mother of one daughter and they are often off on adventures throughout the Bitterroot Valley. She enjoys traveling, hiking, camping, swimming, river and lake trips, floating, boating, reading, kayaking, sledding and winter bonfires in the mountains.

Megan Yockey

Front Desk Office Assistant

Megan is a senior at Hamilton High School. She plans on pursuing a medical education following graduation and brings an eager attitude to learn here at the Catalyst! You will find Megan greeting patients at the door to doing behind the scene tasks to ensure an excellent  physical therapy visit! 



Megan fills the rest of her time with hiking, babysitting, the occasional run and whatever her current creative obsession happens to be at that time.