When Amanda is not working she enjoys spending her free time outside with her family. She loves rock climbing, hiking, and mountain biking.

Jane West, PA-C, is a dedicated physician assistant specializing in orthopedic surgery in St. George, Utah. Her clinical interests include the treatment of injuries, chronic conditions, and disorders affecting the shoulder and elbow, as well as shoulder and hip arthroplasty. She especially enjoys complex and challenging cases—those that push her to grow professionally and ultimately lead to excellent outcomes that... Read More about Jane Ann West, PA

Riley McKay Lewis, FNP-BC, is a nurse practitioner specializing in orthopedics with a focus on arthroplasty and surgical care. He brings a thoughtful, hands-on approach to helping patients improve their mobility, reduce pain, and regain quality of life. Whether assisting in surgery or performing in-office procedures like joint injections, Riley is committed to treating each patient with care, dignity, and... Read More about Riley M. Lewis, NP

Colton Marshall, PA-C, is a physician assistant specializing in orthopedic surgery, with a focus on hip and knee care. He is passionate about helping patients regain mobility and independence through evidence-based, compassionate care. Colton finds deep satisfaction in supporting total hip and knee replacements—procedures that often provide life-changing relief from chronic pain. Colton earned his Bachelor of Science in biology... Read More about Colton D. Marshall, PA

Dr. Robert Jamieson is a board-certified orthopaedic surgeon who is fellowship trained in Total Joint Replacement, focusing on the hip and knee. In 2014, he performed the first outpatient total joint replacement in northern California, meaning that the patient had their knee replacement done in the morning and was recovering at home by that afternoon. Dr. Jamieson focuses on providing... Read More about Robert D. Jamieson, DO

Charles Sumpter, PA-C, is an urgent care provider specializing in orthopedics in St. George, UT. His clinical interests include acute care, patient education, and empowering individuals to feel confident in managing their health after their visit. Charles is committed to delivering thorough, evidence-based care while ensuring every patient feels comfortable, respected, and well supported throughout their experience. He strives to... Read More about Charles Sumpter, PA

Bachelor's degree from University of Utah in exercise and sport science. Attended: 2005-2009

Brian grew up moving around Colorado, Utah, and Nevada and graduated high school in Pleasant Grove, UT. Brian served a mission for The Church of Jesus Christ of Latter-Day Saints in Alberta, Canada.  Brian is joining Intermountain after completing a 26-year career as an officer in the US Army, including 15 years as a physician assistant and ten years of... Read More about Brian S. Simons, PA

Dr. Nicholas Larsen is a general orthopedic surgeon with a fellowship in sports medicine. He has a special interest in arthroscopic surgeries of the shoulder, hip, knee, and ankles.A St. George native, Dr. Nick Larsen graduated from Dixie High School, Dixie State College and Brigham Young University. He received his medical degree from the University of Louisville School of Medicine,... Read More about Nicholas Jon Larsen, MD

Dr. Darin Allred is a board certified orthopedic surgeon at Southwest Orthopedics and Sports Medicine. He was born and raised in Eastern Utah and received his Bachelor's degree from Southern Utah University. Dr. Allred completed his Doctor of Osteopathic Medicine degree from Midwestern University: Arizona College of Osteopathic Medicine. Upon completion of his medical degree, he continued his orthopedic surgery... Read More about Darin K. Allred, DO

Colton Bennett, PA-C is a board-certified physician assistant specializing in orthopedic care since joining the practice in 2011. He focuses on hip and knee conditions, partnering with patients to explore both surgical and nonsurgical solutions, helping them return to the activities they enjoy most. Colton believes that the best outcomes happen when patients are informed and involved in every step... Read More about Colton J. Bennett, PA

K.C. Hafen is an assistant to Dr. Dirk Slade.

Dr. Warren L. Butterfield, MD, is a board-certified orthopedic trauma surgeon with nearly two decades of experience in the surgical treatment of fractures and complex bone injuries. He specializes in fracture care, non-unions, malunions, and trauma to the pelvis and extremities. Dr. Butterfield is known for delivering high-quality, patient-focused care—treating every person with the same commitment he would offer his... Read More about Warren L. Butterfield, MD

Dr. Joel Turtle is a pediatric orthopaedic surgeon at Primary Children’s Hospital with a focus in pediatric spine surgery. With a robust background in both engineering and medicine, Dr. Turtle brings a unique and comprehensive perspective to his practice. Dr. Turtle began his academic journey at Texas A&M University, where he earned a degree in Mechanical Engineering. This technical foundation... Read More about Joel D. Turtle