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Meet Our Physicians

Jonathan E. Greenleaf, MD
Board Certified
Orthopaedic Surgeon

    Specialties:
  • Sports Medicine
  • Arthroscopic Surgery
  • Cartilage Restoration
  • Minimally Invasive Joint Replacement Surgery
  • Pediatric Orthopaedics
  • Shoulder Arthroscopy
  • Knee Arthroscopy
    Hospital Affiliations:
  • Oregon Outpatient Surgery Center
  • Meridian Park Hospital
  • Providence St. Vincent Hospital
  • Providence Willamette Falls Hospital
  • NW Ambulatory Surgical Center

Richard H. Edelson, MD
Board Certified
Orthopaedic Surgeon

    Specialties:
  • Sports Medicine
  • Arthroscopic Surgery
  • Cartilage Restoration
  • Shoulder Arthroscopy
  • Knee Arthroscopy
    Hospital Affiliations:
  • Oregon Outpatient Surgery Center
  • Meridian Park Hospital
  • Providence St. Vincent Hospital
  • Providence Willamette Falls Hospital
  • NW Ambulatory Surgical Center

Kevin J. Murphy, MD
Board Certified
Orthopaedic Surgeon

    Specialties:
  • Sports Medicine
  • Arthroscopic Surgery
  • Joint Replacement
  • Fracture Care
  • Robotic Surgery
  • Shoulder Arthroscopy
  • Elbow Arthroscopy
  • Knee Arthroscopy
  • Hip Arthroscopy
    Hospital Affiliations:
  • Oregon Outpatient Surgery Center
  • Meridian Park Hospital
  • Providence St. Vincent Hospital
  • Providence Willamette Falls Hospital
  • NW Ambulatory Surgical Center

Conrad G. Hamilton, MD
Board Eligible
Hand & Microvascular Surgeon

    Specialties:
  • Sports Injuries
  • Fracture Management
  • Upper Extremity Trauma
  • Replantation
  • Nerve Repair
  • Congenital Differences
  • Tennis Elbow
  • Carpal Tunnel
  • Cubital Tunnel
  • Wrist Arthroscopy
  • Complex Soft Tissue Injury/Burns
  • Arthritis
    Hospital Affiliations:
  • Oregon Outpatient Surgery Center
  • Meridian Park Hospital
  • Providence St. Vincent Hospital
  • Providence Willamette Falls Hospital
  • NW Ambulatory Surgical Center

Stephen M. Schroeder, DPM, FACFAS
Board Certified
in Reconstructive Rearfoot, Ankle Surgery and Foot Surgery

    Specialties:
  • Sports Injuries
  • Foot and Ankle Arthroscopy
  • Ankle Replacement Surgery
  • Fracture Management
  • Congenital and Pediatric Problems
  • Foot and Ankle Arthritis
  • Plantar Fasciitis
  • Complex Limb Deformity
  • Bunion Deformity
  • Hammer Toe Deformity
  • Ankle Instability
  • Foot and Ankle Pain
    Hospital Affiliations:
  • Oregon Outpatient Surgery Center
  • Meridian Park Hospital
  • Providence St. Vincent Hospital
  • Providence Willamette Falls Hospital
  • NW Ambulatory Surgical Center
  • SW Washington Medical Center

Raymond R. North, MD
Board Certified
Orthopaedic Surgeon

    Specialties:
  • Sports Medicine
  • Knee Arthritis

Daniel Trimberger II, MD
Board Certified
Sports Medicine Physician

    Specialties:
  • Sports Medicine
  • Athletic Injuries
  • EKG Screening and Evaluation
  • Non-Surgical Management of Musculoskeletal Injuries
  • Ultrasound Guided Injections
  • Concussion Management

Paul W. Johnson, DO
Board Certified
Internal and Sports Medicine Physician

    Specialties:
  • Non-Surgical Management of Musculoskeletal Injuries
  • Osteopathic Manual Medicine
  • Concussion Management
  • Ultrasound Guided Regenerative Injections

Meet Our Staff

Staff

We are committed to making your treatment as easy on you as possible. Most of the services you will need are handled on-site, with access to the most sophisticated technology to provide you with the best care available. Always feel free to contact our office and our trained staff will assist you in any way possible.

Directory


Phone (503) 692-8700

Physician Assistants

Our Certified Physician Assistants are specialty trained in diagnosing and treating orthopaedic problems in conjunction with your Physician. They are licensed to practice medicine in the state of Oregon, allowing them to conduct patient exams, order and analyze diagnostic testing, prescribe medications, perform in office procedures and assist in surgery. They are an integral part of our team here at Sports Medicine Oregon and provide our patients with timely and comprehensive care.


Sheri Cameron, PA-C, MS, AT-R

Sheri Cameron, PA-C, MS, AT-R
Certified Physician Assistant
& Retired Athletic Trainer

Ms. Cameron is a certified Physician Assistant and retired Athletic Trainer who has been with our practice since 2005. Although she has experience in general orthopaedics, her main emphasis has been on sports medicine.

Lynwood Shannon, PA-C, MPAS

Lynwood Shannon, PA-C, MPAS
Certified Physician Assistant

Mr. Shannon is a certified Physician Assistant who was with our practice from 2001 – 2004 and returned in 2007 after working for three years in North Carolina. His main orthopaedic interest is in sports medicine, as well as treating knee arthritis.

Valerie J. Nipper, PA-C

Valerie J. Nipper, PA-C
Certified Physician Assistant

Ms. Nipper is a certified Physician Assistant who joined our practice in September 2005. She has clinical and surgical background assisting in treatment of a variety of orthopaedic problems, with an emphasis in knee and shoulder sports injuries.

Jennifer Judelson, PA-C

Jennifer Judelson, PA-C
Certified Physician Assistant

Ms. Judelson is a certified Physician Assistant who joined our practice in 2014. She has clinical and surgical experience in general orthopaedics, with an emphasis in hand and foot injuries.


Physical Therapists

Jason Vila, MPT, OCS, CSCS

Jason Vila, MPT, OCS, CSCS
Orthopaedic Certified Specialist

Melinda Shearer, DPT, OCS

Melinda Shearer, DPT, OCS
Orthopaedic Certified Specialist

Ryan Luscombe, DPT

Ryan Luscombe, DPT

Kim Contreras, OTR/L, CEAS II

Kim Contreras, OTR/L, CEAS II


Office Staff

Paige L. Lenuson, COO

Paige L. Lenuson, COO
Certified Public Accountant

Ms. Lenuson is a CPA, who provides the financial and accounting services, staff management and operational development for the business.  Prior to joining Sports Medicine Oregon, she worked 8 years as CFO for an area start-up, developing their accounting, financial reporting, human resources, benefit plans and building acquisition, subsequently joining the practice over 10 years ago.  She enjoys travel, reading and movies.