Dr. Michael Tressler is a board-certified orthopedic surgeon. He specializes in the full spectrum of orthopedic conditions and injuries, including joint replacement surgery.

Dr. Paul Tuttle is a board-certified, fellowship-trained pediatric and adult rheumatologist. He provides care for patients of all ages. Dr. Tuttle treats rheumatic conditions such as arthritis – including juvenile arthritis – gout, lupus, osteoporosis and more.

Dr. Paul Utrie is a board-certified, fellowship-trained rheumatologist. He treats adults with rheumatic conditions such as arthritis, gout, lupus, osteoporosis and more.

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.

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.

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.

Daniel Linehan, MD is a retired orthopedic surgeon who was an owner and practicing physician at OSMS for over 30 years.