Orthopedic and Sports Medicine Physicians
Thomas Sullivan MD
Orthopedic Surgeon
Dr. Thomas Sullivan is a board-certified orthopedic surgeon. He treats a wide variety of orthopedic conditions and work-related injuries and performs joint replacement surgery.
Michael Tressler MD
Orthopedic Surgeon
Dr. Michael Tressler is a board-certified orthopedic surgeon. He specializes in the full spectrum of orthopedic conditions and injuries, including joint replacement surgery.
Marie Walker MD
Non-Operative Spine Specialist / Physical Medicine & Rehabilitation Physician
Dr. Marie Walker is a Physical Medicine & Rehabilitation and Spine Specialist, board-certified in both Physical Medicine & Rehabilitation (PM&R) and Electrodiagnostic Medicine. Conditions that Dr. Walker evaluates include back and neck pain, shoulder pain, hip pain, joint pain, carpal tunnel syndrome, sciatica, spinal cord injuries, torticollis, myofascial pain, cervical radiculopathy, lumbar radiculopathy, thoracic outlet syndrome, and spasticity, among other conditions.
Ben Zellner MD
Orthopedic Hand to Shoulder Specialist
Dr. Ben Zellner is a board-certified, fellowship-trained orthopedic hand-to-shoulder specialist. He treats most orthopedic conditions, although his expertise lies in hand, wrist, finger, elbow and shoulder care. Dr. Zellner treats carpal tunnel, trigger finger, finger fractures, tendon tears and elbow and shoulder injuries.
Ryan Ziegler DO
Orthopedic Surgeon
Dr. Ryan Ziegler is a sports medicine fellowship trained orthopedic surgeon who sees a wide variety of orthopedic conditions in patients and athletes of all ages. He specializes in arthroscopic procedures and performs joint replacement surgery of the hip, knee, and shoulder. Common issues he sees include ligament/tendon tears, meniscus and cartilage injuries, fractures, and arthritis.













