About

Our Mission Statement:

Advanced Orthopaedic Specialists serves to have a positive impact on the lives of Northwest Arkansas and beyond by improving our patient’s overall wellbeing through their orthopaedic health.

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Dr. Terry Sites, Dr. Christopher Arnold, Dr. Mark Powell, Dr. David Yakin, Dr. Ramon Ylanan, Dr. Casey Wagner, and Dr. Derek Worley are the Advanced Orthopaedic Specialists (AOS) – a group of four MD orthopaedic surgeons and three primary care sports medicine specialist with advanced fellowship training in sports medicine.

The AOS has a combined 90 year history of success in the practice of sports medicine, joint replacement, shoulder repair, knee reconstruction, cartilage restoration, fracture care, and more.

We are experts in the areas of minimally invasive techniques and most surgeries are performed on an outpatient basis at the Physicians’ Specialty Hospital (PSH). The PSH is a unique state of the art surgical facility devoted to only a few specialty areas and allows focused care that can not be matched by large general hospitals.

We are proud to be recognized by the University of Arkansas for our accomplishments and grateful to be the exclusive providers of orthopaedic care for all Razorback athletes.

We are grateful you would consider AOS to be your orthopaedic choice.  We will be carefully devoted to you from initial evaluation, to treatment, and throughout the process of recovery.

Please call us today for appointment services. No referral needed. Most insurance accepted.

The Razorbacks trust us and so can you

Official Orthopaedic & Sports Medicine Provider for the Arkansas Razorbacks