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2022 OAOS Annual Conference

2022 OAOS Annual Orthopaedic Conference

Date & Location

October 28-29, 2022
The Nines Hotel
525 SW Morrison St
Portland, OR 97204

Target Audience/Program Focus

OAOS plans educational activities for orthopaedic doctors in Oregon and surrounding areas. We seek to serve the educational needs of our membership, as well as the needs of local and regional orthopaedic doctors. Our program is open to orthopaedic physicians and physician assistants that are currently in practice, orthopaedic physicians in residency programs, as well as retired and part-time physicians.


This activity will be planned and implemented in accordance with the accreditation requirements and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint providership of the American Academy of Orthopaedic Surgeons and the Oregon Association of Orthopaedic Surgeons. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.

2022 Faculty:

Paul Tornetta, III, MD
AAOS Second Vice President
Boston Medical Center
Boston, MA

Chief and Chair, Professor and Residency Program Director, Department of Orthopaedic Surgery, Boston University School of Medicine, Director of Orthopaedic Trauma, Boston Medical Center

  • Medical School: SUNY-Health Science Center at Brooklyn
  • Internship: SUNY-Health Science Center at Brooklyn
  • Residency: SUNY-Health Science Center at Brooklyn
  • Fellowship: Hospital of the Good Samaritan

Erik Kubiak, MD
Professor and Vice-Chair, Department of Orthopedic Surgery, University of Nevada, Las Vegas, School of Medicine
Las Vegas, NV

Dr. Kubiak was a member of a research team that was recently recognized by the U.S. Department of Defense with a peer-reviewed Orthopaedic Technology Development Award for a new fracture healing monitoring system.

He has extensive experience in orthopaedic trauma and as an adult reconstruction surgeon, has acted as a principal investigator or co-principal investigator on numerous clinical and research studies. With broad experience in several complex surgical methods, he has published more than 100 peer-reviewed articles in the area of orthopaedic injury and rehabilitation.

  • Medical School: University of Washington School of Medicine
  • Residency: NYU Langone Orthopedic Hospital
  • Fellowship: Harborview Medical Center

Gavin Button, MD
Orthopedic Specialists
Portland, OR

Gavin J. Button, MD, a native of Portland, joined Orthopedic Specialists, P.C. in 2005. Dr. Button has extensive training in both general orthopedics and spine surgery. He is board certified by the American Board of Orthopaedic Surgery. He completed spine fellowships at Orthopedic Physician Associates at Swedish Hospital and also at the University of Washington. In addition, he had five years of general orthopedic training at the University of California, Davis. Dr. Button specializes in neck and low back conditions and he has experience with the newest technologies including microsurgery and disc replacement. He has performed thousands of spine surgeries ranging from microdiscectomies to multilevel fusions.

  • Medical School: Tufts University
  • Internship: University of California, Davis
  • Residency: University of California, Davis
  • Spine Fellowship: Orthopedic Physician Associates, Swedish Hospital
  • Spine Fellowship: University of Washington

Bopha Chrea, MD
Assistant Professor of Orthopaedics and Rehabilitation, School of Medicine, Oregon Health & Science University
Portland, OR

Dr. Chrea is a fellowship-trained foot and ankle surgeon. She specializes in helping people get back to their pre-injury level of activity, whether that is running marathons, playing a collegiate sport, or simply walking for exercise. She offers advanced treatment options and specialized care for a wide variety of foot and ankle conditions and disorders including fractures, arthritis, minimally invasive surgery, deformity correction, and soft tissue injuries including Achilles tendon injuries. She has a particular clinical interest in sports and athletic injuries involving the foot and ankle. A former collegiate athlete, Dr. Chrea is dedicated to helping her patients get moving again, without pain and back to the activities they love.

  • Medical School: Trinity College, University of Dublin
  • Residency: Orthopaedic Surgery, University of Mississippi
  • Fellowship: Foot and Ankle Surgery, Hospital for Special Surgery

Craig Gillis, DO
Summit Orthopaedics
Lake Oswego, OR

Originally from Calgary, Canada, Dr. Gillis moved to the Pacific Northwest in 2001. The robust training he received during residency and fellowship has given him the skills to manage a broad range of upper extremity issues from carpal tunnel syndrome to revision shoulder replacements.

His practice focuses on upper extremity care from the shoulder to fingers, including complex trauma and nerve repair, primary and revision shoulder replacement and arthroscopy, elbow and wrist arthroscopy, and microsurgery.

  • Medical School: Western University of Health Sciences, College of Osteopathic Medicine of the Pacific
  • Residency: Good Samaritan Regional Medical Center
  • Fellowship: State University of New York at Buffalo

Timothy Keenen, MD
Pacific Spine Specialists (retired)
Lake Oswego, OR

  • Medical School: St. Louis University School of Medicine
  • Internship: U.S. Naval Hospital
  • Residency: U.S. Naval Hospital
  • Fellowship: University of California, Davis

Elizabeth Lieberman, MD
Orthopedic & Fracture Specialists
Portland, OR

Dr. Lieberman specializes in orthopaedic surgery, adult reconstructive surgery and joint replacement surgery.

  • Medical School: Oregon Health & Science University
  • Internship: Oregon Health & Science University
  • Residency: Oregon Health & Science University
  • Fellowship: Washington University

Mark E. Mildren, MD
Slocum Center for Orthopedics & Sports Medicine
Eugene, OR

  • Medical School: Loma Linda University School of Medicine
  • Internship: Traditional Rotating, Loma Linda University Health
  • Residency: Orthopedic Surgery, Loma Linda University Health
  • Fellowship: Adult Reconstruction, University of Virginia School of Medicine

J. Christopher Noonan, MD
Samaritan Health Services
Corvallis, OR

Dr. Noonan actively pursues the latest technologies in spine surgery, and performed the first endoscopic spine fusion and Dynesys dynamic stabilization in the state of Wisconsin. He previously served as chief of orthopedics, chairman of credentials committee, and chief of staff at the United Hospital System in Kenosha, Wisconsin.

Medical School: University of Minnesota-Twin Cities School of Medicine
Internship: Loyola University Medical Center
Residency: Loyola University Medical Center
Fellowship: Loyola University Medical Center

Matthew O’Brien, MD
Assistant Professor of Diagnostic Radiology, School of Medicine, Oregon Health & Science University
Portland, OR

Dr. Matthew O’Brien is an assistant professor within the Department of Diagnostic Radiology specializing in Musculoskeletal Imaging and Intervention. After practicing in the community, Dr. O’Brien joined OHSU in August of 2021. His special interests include musculoskeletal MRI and ultrasound, as well as technology in medical imaging and education.

  • Medical School: Wayne State University
  • Residency: Henry Ford Hospital
  • Fellowship: Brigham and Women’s Hospital

Ryan Petering, MD
Associate Professor, Sports Medicine Medical Director, Sports Medicine Fellowship Director, Oregon Health & Science University
Portland, OR

  • Medical School: East Tennessee State University
  • Residency: Family Medicine, Oregon Health & Science University
  • Fellowship: Primary Care Sports Medicine, Oregon Health & Science University

John (Jeb) Reid, III, MD
Ashland, OR

John Reid, MD, is a board-certified orthopedic surgeon specializing in sports injury repair including ACL revision, meniscus and cartilage surgery and partial and total knee replacement in both inpatient and outpatient settings. He served as a US Ski Team physician for 15 years and is fellowship-trained in sports medicine.

  • Medical School: Oregon Health & Science University
  • Internship: Oregon Health & Science University
  • Residency: Oregon Health & Science University
  • Fellowship: Taos Orthopedic Institute

Peter Roessler, MD
Anesthesiologist & Medical Director, Oregon Surgical Institute
Beaverton, OR

  • Medical School: University of California Irvine School of Medicine
  • Internship: Cedars-Sinai Medical Center
  • Residency: University Southern California Medical Center

Lewis G. Zirkle, MD
President and Founder, Chairman, SIGN Fracture Care
Richland, WA

Dr. Zirkle founded SIGN in order to bring healing to the injured poor in developing countries. Today, he gives mentorship to SIGN Surgeons at each hospital, reviews patient cases, and inspires new, innovative design ideas.


All faculty members and planning committee members participating in this educational program are expected to disclose to the program audience any significant financial interest and/or other relationship with the manufacturers and providers of commercial products and/or services discussed in their presentation, and their relationship or financial interest in any commercial contributor to the educational activity.

Disclosures for all 2022 faculty, staff and planning committee members can be found online on the AAOS disclosure search website.

Upcoming Events

2022 OAOS Annual Orthopaedic Conference

October 28-29, 2022

The OAOS 2022 Annual Orthopaedic Conference will be in person this year!

More Info

2022 Virtual Exhibitor Registration

Register Now!
  • 417 2nd Street
    Lake Oswego, OR 97034
  • 503-303-5071