Derek Purcell, MD

Derek Purcell

Derek Purcell, MD Board-Certified Orthopedic Surgeon | Sports Medicine & Joint Reconstruction Specialist Dr. Derek Purcell is a board-certified, fellowship-trained orthopedic surgeon with advanced specialization in sports medicine, shoulder, and knee surgery. His expertise includes arthroscopic techniques for the knee and shoulder, complex ligament reconstructions, cartilage restoration procedures, and both shoulder and knee joint replacements. […]

John R. Shank, MD

John R. Shank

Board-Certified Orthopedic Surgeon | Foot & Ankle Specialist Dr. John Shank is a fellowship-trained, board-certified orthopedic surgeon specializing in foot and ankle surgery. With a passion for helping patients get back on their feet—whether they’re athletes or active individuals—Dr. Shank provides advanced, evidence-based care for complex foot and ankle injuries, trauma, and deformities. Dr. Shank […]

David M. Weinstein, MD

David M. Weinstein

David Weinstein, MD Board-Certified Orthopedic Surgeon | Sports Medicine Specialist Dr. David Weinstein is a board-certified, fellowship-trained orthopedic surgeon who brings decades of experience treating sports-related injuries in elite athletes, military personnel, and active individuals alike. Renowned for his expertise in sports medicine and joint preservation, Dr. Weinstein provides advanced orthopedic care tailored to restoring […]

Stephen Thon, MD

Stephen Thon

Dr. Stephen Thon is an orthopedic surgeon born and raised in Denver, Colorado, now practicing in the south Denver area. He is fellowship trained in the field of orthopedic Sports Medicine, where he received expert training in arthroscopic and minimally invasive orthopedic procedures. He focuses on advanced arthroscopic techniques for repair and complex reconstruction of […]

Jared L. Michalson, MD

Jared Michalson, MD

Dr. Jared Michalson is an expert in the surgical treatment of knee and hip arthritis and fractures throughout the body.  He grew up on a corn and soybean farm in northcentral Iowa and incorporates that humble background and sense of community into the care of his patients.  His goal for patient care is simple: to […]

Cary R. Motz, MD

Cary R. Motz

Cary R. Motz, MD, is a board-certified orthopedic surgeon through the American Board of Orthopedic Surgeons. Dr. Motz specializes in knee and shoulder arthroscopy and reconstruction along with sports medicine at Advanced Orthopedic & Sports Medicine Specialists in Denver and Parker, Colorado. Dr. Motz received his undergraduate degree and completed his orthopedic residency at the […]

Justin Newman, MD

Justin Newman

As an orthopedic surgeon native to Colorado, Dr. Justin Newman understands the importance of an active lifestyle. Using the most innovative techniques supported by the best research, his practice focuses on returning his patients to sports, work and activity as quickly as possible. This includes helping his patients to resolve sports injuries, and to heal […]

Alan Ng, DPM, FACFAS

Alan Ng, DPM, FACFAS

A Denver native, Dr. Alan Ng went to Chicago and Texas for his medical training and surgical fellowship, as well as a short stint in practicing podiatric surgery, before eventually moving back to his hometown to join Advanced Orthopedics. Dr. Ng specializes primarily in Foot and Ankle Reconstructive Surgery and Trauma. Outside of his own […]

– ANNOUNCEMENT –
Effective 01/01/2026

United Healthcare HMO and HMO-POS plans require an authorized referral from your Primary care Provider (PCP).

We will honor existing appointments through 03/01/2026 without authorization. However, any planned or ongoing treatment may be delayed if authorization is not received (IE: MRI, Surgery, PT/OT).

Please contact your PCP as soon as possible to obtain an authorization if you wish to be seen today or to avoid delays in care.