About Us

Dr. Matt Casseday

Physical Therapist

PT, DPT, Cert. SMT, Cert. DN, Dip. Osteopractic, CMP, Cert VRS

Matt graduated from the University of Northern Colorado with a Bachelor of Arts in kinesiology, exercise and sports science. He earned his doctorate in physical therapy from A.T. Still University of Health Sciences in Mesa, Arizona in 2006. He holds certifications in spinal manipulation and trigger point dry needling. Matt is a certified Mulligan practitioner and recently completed his diploma in osteopractic therapy, earning him the title of osteopractor. In 2015, he opened Physical Therapy of the Rockies. Matt prides himself, and his practice, on providing the best possible evidence-based practice for his patients. Matt devotes his spare time to personal and professional development, working out, tennis, hiking, traveling, and spending time with his wife, twin daughters, and son.

Dr. Amanda Dunn

Physical Therapist

PT, DPT, Cert. DN, Cert. AIB VR/CON

Dr. Evan Bell

Physical Therapist

PT, DPT

Evan graduated from Quinnipiac University in Hamden, Connecticut with his Bachelor of Science in Health Science Studies. He also earned his Doctor of Physical Therapy from Quinnipiac University in 2024. Evan is committed to developing personalized treatment plans that promote healing, improve mobility, and restore function. In addition to clinical practice, Evan is passionate about patient education, empowering individuals to take an active role in their recovery and maintain long-term wellness. When not in the clinic, Evan enjoys running, hiking, and spending time outdoors.

Dr. Lauren Tarnawski

Physical Therapist

PT, DPT

Lauren is a Colorado native who received her Bachelor degree in exercise science from Metropolitan State University of Denver. She graduated with her doctor of physical therapy from Midwestern University in Glendale, Arizona. During her physical therapy schooling, Lauren became LSVT Big certified and found her love for treating vestibular/ balance disorders and a variety of orthopedic conditions. She is committed to delivering patient centered care to return patients to the activities they enjoy. Lauren enjoys being outside- hiking, playing volleyball, walking her dog. When she’s not outside there’s a good chance she’s experimenting in the kitchen. Lauren is excited to grow in her physical therapy journey as part of the PT of the Rockies team!

Dr. Ryan Fall

Physical Therapist

PT, DPT

Ryan graduated from the University of Iowa with a Bachelor of Arts in Health and Human Physiology, specializing in Exercise Science. Before pursuing his Doctorate of Physical Therapy at Clarke University in Dubuque, IA, he worked as a personal trainer, further developing his expertise in exercise and movement science.

A proud Iowan, Ryan grew up in Bettendorf, where he was actively involved in a variety of sports, with a particular focus on football and basketball. His personal experiences with sports-related injuries and rehabilitation sparked his passion for physical therapy, inspiring him to help others recover and excel beyond their previous levels of function.

Ryan is dedicated to making a positive impact on his patients’ lives, striving to help each individual achieve their goals and return to their favorite activities stronger than before. Outside of the clinic, Ryan enjoys staying active through working out, playing golf and frisbee golf, volleyball, hiking, and exploring the great outdoors in Colorado with his wife, Taylor.

Dr. Abraham Thompson

PT, DPT

Abraham received a Bachelor of Science in Kinesiology from the University of Wisconsin-Madison. He then went on to attend Clarke University in northeast Iowa where he received his Doctor of Physical Therapy and served as class President. He is from a small town in southwest Wisconsin where he grew up playing sports and enjoying the outdoors. A serious football injury resulted in months of recovery, which led him to pursue a career in physical therapy. He is passionate about helping patients get back to doing the things they enjoy and living pain-free lives. He enjoys working with patients of all ages and backgrounds, as well as learning from experiences to help him grow as a healthcare provider. He believes that evidence-based practice is the key to providing exceptional care and that every patient has the right to receive the highest quality of treatment available. He enjoys spending his time outdoors whether it be camping under the stars or skiing down a mountain. He will always stand up for his patients’ rights and give them his best effort as their therapist.

Jeff Randall

PT

Mark Bielski

PTA

Mark Graduated from the University of Texas A&M in 2019 with his bachelor’s degree in Allied Health. He earned his degree as a Physical Therapist Assistant from Wharton College in Houston, Texas where he is originally from. In his free time, Mark enjoys spending time in the outdoors either hunting, hiking, fishing, or skiing. Mark had a background in sports having played football and baseball throughout his life. Helping his patients progress and get back to doing the hobbies or activities they love is what mark enjoys most about his job.

Micah Weber

PT Tech

Micah graduated from Southern Nazarene University in Oklahoma City, Oklahoma where he was born and raised. He obtained his bachelor’s degree in Kinesiology with a focus on Pre-PT. In college, Micah played division 2 soccer and also loves other sports such as basketball, football and golf. Micah has hopes of pursuing PT as a profession in the future. In his free time he enjoys writing/making music, hiking, fishing, working out, and hanging out with friends. Micah loves seeing patients reaching their goals and maintaining a healthy, active lifestyle.

Karl Peters

PT Tech

Karl is a Colorado native, born and raised in Littleton. He earned his Bachelor’s degree in Exercise Science from Webster University in St. Louis, Missouri, where he was also a four-year member of the university’s baseball team. His athletic background sparked a strong interest in movement science and injury rehabilitation, ultimately leading him toward a career in physical therapy.

Karl will continue his education at Regis University this fall, where he will pursue his Doctorate of Physical Therapy degree. He is passionate about helping patients regain strength, confidence, and the ability to return to the activities they enjoy most.

Outside of the clinic, Karl enjoys playing recreational league sports, hiking Colorado’s trails, working out, and spending time on the golf course with friends.

Clifton Lawless

PT Tech

Clifton grew up in Oklahoma and has been a Colorado resident for 10 years. In his time in the United States Army Reserves, he served in a hospital unit overseas where he discovered his passion for Physical Therapy. He is currently a Student Physical Therapist Assistant at Arapahoe Community College, class of 2027.

Samuel Peirera

PT Tech

Sam is a high school student at Denver Christian. He is originally from Tennessee and moved to Colorado in 2019. He aspires to work in Business Finance after getting his MBA. He also works as a shift lead at Chick-fil-A. In his free time he enjoys lifting weights, skiing, and spending time with his friends

Alicia Caughfield

Physical Therapy Tech/Front Desk Receptionist

FD, PT Tech

Alicia graduated from Abilene Christian University with her bachelor’s degree in kinesiology with a concentration of pre-physical therapy. In her free time Alicia loves to be out in nature or doing anything active whether it would be running or out on the slopes. Alicia is excited to continue her career in physical therapy as she is looking into schooling in the future.

Madison Owen

FD

Madi is currently pursuing her nursing degree at Arapahoe Community College, with a specialization in Radiology. Born in Arizona and raised in Littleton, she has developed a deep appreciation for Colorado’s outdoors and an active, adventure-filled lifestyle.

She thrives in every season- wakeboarding across the lake in the summer and snowboarding through fresh powder in the winter. When she’s not studying or on the water or slopes, you’ll likely find her hunting, fishing, or camping with her family. Madi’s passion for both healthcare and the outdoors reflects her dedication, resilience, and energetic spirit.

Sierrah Casseday

Provider and Community Liason

Sierrah brings a unique blend of education and healthcare experience to her role as Provider and Community Liaison. With a degree in Education and a background as a teacher, she’s passionate about clear communication and building meaningful connections. Before joining our team, Sierrah spent five years as a consultant in the plastic surgery field, where she developed a deep understanding of patient care and provider collaboration.

In her current role, Sierrah will be working closely with providers and community partners to help strengthen connections and support our mission of delivering exceptional care. Her approachable nature and diverse experience make her a valuable bridge between teams and the people we serve.

Melissa Tucker

Front Office Coordinator

Melissa is a proud Colorado native and CSU graduate with a background in business operations. After gaining experience in the corporate world, she spent 22 months traveling the globe meeting new people, eating exotic foods, and embracing the unknown. In her free time, Melissa continues to explore, whether it’s hiking, camping, fishing, discovering new restaurants, petting every dog she meets, or enjoying time with friends and family.