Judith Kopinski, MD

Judy Kopinski

I love hearing from patients, “Dr. Kopinski, you gave me my life back.” My primary goal is to help all patients regain their quality of life. I am passionate about educating others regarding their underlying joint issues and counseling them on both non-operative and operative treatment solutions. I aim to treat every patient like family, […]

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. […]

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

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 […]

Andrew Apple, MD

Andrew Apple

Dr. Andrew Apple is a fellowship-trained, board-certified orthopedic surgeon specializing in the treatment of knee and hip arthritis, including primary and revision joint replacement. After graduating from Duke University, he obtained a Master of Science degree in Physiology and Biophysics at Georgetown University School of Medicine. Dr. Apple earned his medical degree and completed a […]

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 […]

– 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.