OUR EXPERTS

You can trust the OSMS medical professionals to give you the care you need with the respect and compassion you deserve. That’s because our doctors not only work at OSMS, they own it.

Michael Tressler MD

Orthopedic Surgeon

Locations: Green Bay Marinette

920-430-8113

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

Paul Tuttle DO

Pediatric & Adult Rheumatologist

Locations: Fox Valley Green Bay

920-430-8113

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.

Paul Utrie MD

Rheumatologist

Locations: Fox Valley Green Bay

920-430-8113

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

Marie Walker MD

Physiatrist

Locations: Green Bay

920-430-8113

Dr. Marie Walker is a physiatrist, 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

920-430-8113

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

Locations: Fox Valley Oshkosh

920-430-8113

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.

Jeffrey R. McLaughlin MD/Research

Orthopedic Surgeon/Research

920-430-8113

Dr. McLaughlin is a board-certified orthopaedic surgeon. He has stepped down from his clinical practice and now works performing clinical outcomes research. He has published numerous articles and has presented his research at the AAOS, The European Hip Society, the Japanese Hip Society and The Harvard Hip Symposium.

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