Dr. Efren Caballes joined Cornerstone Orthopedics & Sports Medicine, a division of OCC, in 2016. He takes a comprehensive approach to musculoskeletal care, incorporating exercise, physical modalities, bracing, injections, and regenerative medicine. He has a special interest in diagnostic and therapeutic musculoskeletal ultrasound and focuses on aligning treatment with each patient’s recovery needs and goals. Dr. Caballes earned a Bachelor of Science in Molecular Cellular Biology from the University of Illinois at Urbana-Champaign and a medical degree from Touro College of Osteopathic Medicine in New York City. He completed his residency in Physical Medicine and Rehabilitation at NYU Medical Center, where he served as Chief Resident, followed by a Sports Medicine Fellowship at NYU. His training included working with endurance athletes at the NYU Running Performance Lab and artists at the Juilliard School and Harkness Center for Dance Injuries. While in New York, he developed a passion for running, joining the Prospect Park Track Club and volunteering with Back on My Feet. In Colorado, he continues to care for runners and triathletes at all levels, from recreational to Olympic athletes. He is a Level 1 certified USA Track and Field coach and was selected to serve as a volunteer physician for the U.S. Olympic & Paralympic Committee in 2020. He also teaches sports ultrasound nationally and serves as a clinical instructor for multiple medical programs. Dr. Caballes is highly rated in 3 conditions, according to our data. His top areas of expertise are Tendinitis, Bursitis, Tennis Elbow, and Plantar Fasciitis.

John Grauer is a Sports Medicine provider in Louisville, Colorado. His top areas of expertise are Tendinitis and Bursitis.

Jason Glowney is a Sports Medicine provider in Boulder, Colorado. His top area of expertise is Tendinitis.

Dimitrios Zaronias is a Sports Medicine specialist and an Orthopedics provider in Lafayette, Colorado. His top area of expertise is Caffey Disease. Dr. Zaronias is currently accepting new patients.

Loukas Koyonos is a Sports Medicine specialist and an Orthopedics provider in Lafayette, Colorado. Dr. Koyonos has been practicing medicine for over 17 years. His top area of expertise is Hypermobile Joints. Dr. Koyonos is currently accepting new patients.

Shane Cass is a Sports Medicine provider in Lafayette, California. His top areas of expertise are Rhizarthrosis, Tendinitis, Lung Nodules, and Aseptic and Alopecic Nodules of Scalp (AANS). Dr. Cass is currently accepting new patients.

Austin Chen is a Sports Medicine specialist and an Orthopedics provider in Boulder, Colorado. Dr. Chen is highly rated in 4 conditions, according to our data. His top areas of expertise are Osteoarthritis, Slipped Capital Femoral Epiphysis, Tendinitis, Osteotomy, and Endoscopy. Dr. Chen is currently accepting new patients.

William Cooney is a Sports Medicine specialist and an Orthopedics provider in Longmont, Colorado. Dr. Cooney is highly rated in 2 conditions, according to our data. His top areas of expertise are Osteoarthritis, Bursitis, Tendinitis, Hip Replacement, and Knee Replacement. Dr. Cooney is currently accepting new patients.

Michael Wertz is a Sports Medicine specialist and an Orthopedics provider in Boulder, Colorado. Dr. Wertz is highly rated in 1 condition, according to our data. His top areas of expertise are Osteoarthritis, Tendinitis, Tenosynovitis, Bursitis, and Hip Replacement. Dr. Wertz is currently accepting new patients.

John Breck is a Sports Medicine provider in Boulder, Colorado. Dr. Breck is highly rated in 1 condition, according to our data. His top area of expertise is Concussion.

Tracy Casault is a Sports Medicine provider in Boulder, Colorado. Dr. Casault is highly rated in 1 condition, according to our data. Her top area of expertise is Concussion.

Timothy Mazzola is a Sports Medicine provider in Boulder, Colorado.

Sean Haney is a Sports Medicine specialist and an Orthopedics provider in Lafayette, Colorado. Dr. Haney is currently accepting new patients.

Dr. William J. Ciccone II is a fellowship-trained orthopedic surgeon specializing in arthroscopic shoulder and knee surgery. He joined Cornerstone Orthopedics & Sports Medicine in 2010 and is an active contributor to the academic community. He serves on national orthopedic committees, reviews research for leading journals, and is a member of the American Shoulder and Elbow Surgeons. He was named a “Master in Shoulder Arthroscopy” by the Arthroscopy Association of North America (AANA), where he teaches advanced arthroscopic techniques to surgeons and residents. He also serves as a clinical instructor for the University of Colorado Physician Assistant Program and Rocky Vista University. Dr. Ciccone earned a B.A. in Molecular, Cellular, and Developmental Biology from the University of Colorado Boulder and graduated with honors from the University of Colorado School of Medicine. He completed his residency at Pennsylvania State University, Hershey Medical Center, and his fellowship in Arthroscopy and Sports Medicine at the University of California, San Diego. His sports medicine experience includes serving as a team physician for the Colorado Rockies AAA Sky Sox, Regis University, and as medical director for the Rocky Mountain State Games, State Games of America, and events at the U.S. Olympic Training Center in Chula Vista, CA. His top areas of expertise are Tendinitis, Acute Pain, and Bursitis.

Edward Stoll is a Sports Medicine specialist and an Orthopedics provider in Westminster, Colorado. His top area of expertise is Hip Replacement.

Douglas Foulk is a Sports Medicine specialist and an Orthopedics provider in Westminster, Colorado. His top areas of expertise are Synovial Osteochondromatosis, Osteoarthritis, and Tendinitis.

Mitchel Robinson is a Sports Medicine specialist and an Orthopedics provider in Westminster, Colorado. His top areas of expertise are Tendinitis, Osteoarthritis, Bursitis, and Tenosynovitis.

George Chaus is a Sports Medicine specialist and a General Surgeon in Longmont, Colorado. Dr. Chaus has been practicing medicine for over 16 years is highly rated in 2 conditions, according to our data. His top areas of expertise are Infectious Arthritis, Bursitis, Tenosynovitis, Tendinitis, and Hip Replacement. Dr. Chaus is currently accepting new patients.

Curtis Leonard is a Sports Medicine specialist and an Orthopedics provider in Longmont, Colorado. Dr. Leonard has been practicing medicine for over 34 years is highly rated in 1 condition, according to our data. His top areas of expertise are Osteoarthritis, Ganglion Cyst, Tendinitis, Tenosynovitis, and Hip Replacement. Dr. Leonard is currently accepting new patients.

Tyler Gallegos is a Sports Medicine provider in Broomfield, Colorado.

Melanie Worley is a Sports Medicine specialist and an Emergency Medicine provider in Boulder, Colorado. Dr. Worley is currently accepting new patients.

Eric Schryver is a Sports Medicine specialist and an Orthopedics provider in Boulder, Colorado. Dr. Schryver is currently accepting new patients.

Aneesh Garg is a Sports Medicine provider in Boulder, Colorado.

Erel Ben Ari is a Sports Medicine specialist and an Orthopedics provider in Boulder, Colorado.

Nathan Josephs is a Sports Medicine provider in Boulder, Colorado.