Physician Appointments 952-456-7777 833-743-7300
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Jeffrey F. Klassen, MD

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Orthopedic Surgery, Board Certified Shoulder and Elbow Surgery Fellowship at Mayo Clinic

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Areas of Focus

Pediatric Care
Shoulder & Elbow Care
Sports Medicine

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Practice Overview

Jeffrey F. Klassen, MD, is a fellowship-trained orthopedic surgeon, who specializes in shoulder and elbow injuries and conditions of all age groups. Procedures Dr. Klassen specializes in include shoulder arthroscopy, shoulder instability surgery, rotator cuff repair and reconstruction, total and reverse total shoulder replacement, sports and trauma related elbow ligamentous and reconstructive surgery, elbow arthroscopy, management of the stiff elbow, and total elbow arthroplasty.

Clinical Interest

Shoulder Care, Specializing in Ligament, Tendon, Cartilage and Traumatic Injuries, Arthritic Conditions of the Shoulder; Surgical Management including Instability Procedures, Labral Tears, Primary and Revision Rotator Cuff Repair; Reconstruction of Failed Rotator Cuff Procedures, Primary and Revision Total shoulder and Reverse Shoulder Arthroplasty

Elbow Care, of All Age Specializing in Nerve, Ligament, Tendon, Cartilage and Traumatic Injuries, Arthritic Conditions; Treatment including Trauma, Osteochondritis Dissecans, Ligamentous Reconstructions including Tommy John Procedure, Cubital Tunnel Syndrome, Bicep/Tricep Tendon Injuries, Management of the Stiff Elbow, Treatment of the Arthritic Elbow including Total Elbow Arthroplasty and Revision Arthroplasty

Wrist Care, including All Fractures including Distal Radius Fractures, Arthritis, Tendon and Ligament Injuries

Hand Care, including Carpal Tunnel Syndrome, Trigger Fingers, Treatment of Arthritis and All Fractures

Fracture Care, including All Fractures of Shoulders, Clavicle, Humerus, Elbow, Forearm, Wrist and Hand

Pediatric Care, including All Ages, All Fractures Specializing in Shoulder and Elbow Care

Sports Medicine, Treatment of Sports Injuries of the Upper Extremity including AC joint and Clavicle, Arthroscopic Shoulder Instability, Labral Repair and Rotator Cuff Related Injuries; Treatment of Sports Injuries to the Elbow, Wrist and Hand


Board Certified, American Osteopathic Board of Orthopaedic Surgery

Shoulder & Elbow Surgery Fellowship, Mayo Clinic School of Medicine

Mayo Clinic School of Medicine

Medical Degree
University of Minnesota School of Medicine

Hospital & Surgery Center Affiliations

Abbott Northwestern
Crosstown Surgery Center
Fairview Southdale Hospital

Professional Affiliations

American Academy of Orthopedic Surgeons, Member (1998 – Present)
Physician/Administrative Dyads: Essentia Health Systems, Instructor (2008 – Present)
Chairman, Section of Orthopedic Surgery, Essentia Health Duluth Clinic, Duluth, MN (2007 – 2012)
Chief, Section of Orthopedic Surgery, Essentia Health St. Mary’s Medical Center, Duluth, MN (2007 – 2012)
Chief, Section of Orthopedic Surgery, Miller Dwan Hospital, Duluth, MN (2006 – 2010)
Department of Orthopedics Basic Science Research Committee, Resident Member (1995 – 1997)
American Medical Association, Zumbro Valley Medical Society (1992 – 1997)

Achievements & Awards

Mid-America Orthopaedic Society Annual Meeting Resident Research Award Finalist (1996)
Mayo Clinic Research Grant (1994 – 1995)
Gerald P. Plaisance Scholarship for Academic Excellence (1990 – 1991)
Minnesota Medical Foundation Student Research Scholarship (1990 – 1991)
Mayo Foundation Scholastic Scholarship for Academic Excellence (1984 – 1988)


University of Minnesota-Duluth School of Medicine, Assistant Clinical Professor, Duluth, MN (1998 – Present)
Clinical Board Member, Upper Midwest Consolidated Services Center (2009 – Present)

Sports Affiliations

Team Physician, NCAA Division I Men’s Hockey, University of Minnesota-Duluth (2003 – 2019)

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