Move Better. Live Better.
At OSM, our mission is to return patients to pain-free mobility and full strength as quickly and comfortably as possible, using both surgical and non-surgical orthopedic procedures. Based in Lake Oswego, our expert physicians are recognized as leading orthopedic surgeons in the region, providing comprehensive care in the diagnosis and treatment of orthopedic conditions — including total joint replacement, spine care, and sports medicine. We apply the latest state-of-the-art techniques to help our patients return to the active lifestyle they love.
Award-winning
Surgeons & Staff
Our Board Certified Surgeons provide orthopedic care including fracture care, joint reconstruction, and stabilization of ligaments, tendons and muscle injuries including arthroscopic aided surgical repair.
Derek E. Lamprecht, DO
Board-Certified Orthopedic Surgeon
Charles J. Petit, MD
Board-Certified Orthopedic Surgeon
Dominic P. Patillo, MD
Board-Certified Orthopedic Surgeon
Emily C. Nguyen, MD
Board-Certified Orthopedic
Spine Surgeon
Andrew J. Bryan, MD
Board-Certified Orthopedic Surgeon
Kenneth Hegewald, DPM FACFAS
Board-Certified Foot & Ankle Surgeon
Derek E. Lamprecht, DO
Board-Certified Orthopedic Surgeon
Sports Medicine Specialist in Lake Oswego
Dr. Lamprecht is a board-certified orthopedic surgeon practicing in Oregon since 2006. Fellowship trained in Sports Medicine, he specializes in the care of athletes of all ages. He performs arthroscopic and complex reconstructive surgery for the shoulder and knee, as well as anatomic and reverse shoulder replacement and knee replacement.
Hip, Knee, and Shoulder Specialist in Lake Oswego
Dr. Petit is a fellowship-trained orthopedic surgeon specializing in hip, knee, and shoulder preservation, reconstruction, and minimally invasive surgery. One of the few surgeons in the Northwest with advanced expertise in hip arthroscopy, he provides cutting-edge treatments for labral tears, femoroacetabular impingement, and complex hip disorders, offering faster recovery and better outcomes. In the knee, he performs primary and revision ACL reconstruction, cartilage restoration procedures, and robotic-assisted joint replacements. Dr. Petit also treats a full range of shoulder conditions, from rotator cuff tears and labral injuries to total shoulder replacement and complex revision surgeries. His deep knowledge of joint biomechanics, combined with the latest surgical innovations, ensures personalized treatment plans for optimal recovery and long-term joint health.
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Hand Specialist in Lake Oswego
Dr. Dominic Patillo focuses on the treatment of both simple and complex hand and upper extremity conditions as well as general orthopaedic trauma. He is experienced with modern microsurgical techniques including nerve and vessel reconstruction. He appreciates the role of nonoperative treatment in appropriate cases, and encourages active patient participation in the decision making process.
Spine Specialist in Lake Oswego
Dr. Emily Nguyen specializes in orthopedic spine surgery of the cervical, thoracic and lumbar spine with an emphasis in minimally invasive techniques, herniated disc, spinal stenosis, radiculopathy and general orthopedic trauma. Dr. Nguyen was a senior associate consultant and clinical associate at Mayo Clinic. She was also the Regional Vice Chairperson for Mayo Clinic’s Midwest Spine Care Network.
Knee and Hip Replacement Specialist in Lake Oswego
Dr. Andrew Bryan and his dedicated staff offer the most comprehensive approach to minimally invasive hip and knee replacement surgery. This advanced approach allows most patients to walk unaided and leave the hospital the same day of surgery. With Dr. Bryan’s approach, patients are able to regain motion and strength more quickly. His special interests include outpatient joint replacement surgery, partial knee replacement, and robotic-assisted surgery. His research interests include infection prevention and treatment as well as robotic-assisted surgery.
Foot and Ankle Specialist in Lake Oswego
Dr. Hegewald is a board-certified, fellowship trained podiatric foot and ankle surgeon with over five years of orthopedic foot and ankle experience treating athletes in Hood River, OR. He provides comprehensive foot and ankle care and offers a spectrum of advanced treatment options. He is board certified in foot, reconstructive rearfoot and ankle surgery by the American Board of Foot and Ankle Surgery.
Happy Patients
“Dr Bryan is amazing. He operated on both of my knees without any complications. His compassion for my health was shone by his care. Thank you! – Ericka
“Dr Petit and Dr. Patillo are truly the best. Very knowledgeable and caring professionals. Broken bicep, run in with a table saw and totally back to normal. Never thought I would have motion like I used to.”
“Dr. Nguyen has changed my life. I can walk with no pain. The doctor treated me well and was easy to talk too. Everyone told me how lucky I was to have her as a surgeon. Three hospitals said that. You know what? Dr. Nguyen is the best. Everyone else was friendly and helpful and kind. I tell everyone Nguyen is my star. Thank you everyone! “
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First Good Sam robotic-assisted knee surgery patient excited for future
Janis McClain, the first patient to undergo robotic-assisted knee surgery at Legacy Good Sam, discusses her experience with the procedure.
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We are pleased to have you as a patient. If you have any questions, always feel free to contact our office and our trained staff will assist you in any way possible.