Zachary P. Arntson - Orthopedic Surgeon - Twin Cities Orthopedics

Zachary P. Arntson, DO

Orthopedic Surgery, Board Eligible
Joint Replacement and Sports Medicine Fellowship 

Zachary P. Arntson View My Personal Website

Areas of Focus
Ankle Care
Elbow Care
Foot Care
Hand Care
Hip Care
Knee Care
Pediatric Care
Shoulder Care
Sports Medicine
Wrist Care

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Practice Overview

Originally from Minnesota and born at Mercy Hospital in Coon Rapids, Dr. Arntson earned his undergraduate degree from Gustavus Adolphus College and medical degree from Des Moines University.  He then went on to complete his internship and orthopedic surgery residency at St. John Health System with Michigan State University. During residency he was selected as chief resident and awarded orthopedic surgery resident of the year.
After residency, he spent an additional 12 months of subspecialized training in Total Joint Replacement and Sports Medicine surgery.  He completed a fellowship at Triangle Orthopedic Associates in Durham, North Carolina. During this time he learned advanced techniques in Anterior Hip and Knee Replacements, including Revision Joint Replacements. In addition, Dr. Arntson’s training included Sports Medicine procedures including Shoulder Replacement, Arthroscopy and ACL reconstruction.
Dr. Arntson is board eligible with American Osteopathic Board of Orthopedic Surgery. He is a member of the American Academy of Orthopedic Surgeons, American Osteopathic Academy of Orothopedics, and American Association of Hip and Knee Surgeons.
Dr. Arntson has published a research article titled “Topical vs. Intravenous Tranexamic Acid Use in Total Knee Arthroplasty”, which was presented at the International Congree for Joint Reconstruction Conference.
Dr. Arntson’s approach to patient care focuses on the individual needs of each patient. His specialized training, along with his general orthopedic knowledge allows him to assess the best non-operative and operative options for each patient’s condition. Dr. Arntson has a strong interest in minimally invasive and muscle-sparking procedures coupled with multi-modal pain management protocols to decrease patient’s pain and speed recovery.
Dr. Arntson is married and resides in St. Paul with his wife and three daughters. In his free time, he enjoys fishing, golfing and spending time with his family.

Clinical Interest

Hip Care: including muscle sparing anterior approach hip replacement, hip replacement revision, tendonitis, bursitis, and hip fractures

Knee Care: including minimally invasive total knee replacement (also patient specific joint replacement and robotic surgery), minimally invasive partial knee replacement, and knee replacement revision

Shoulder Care: including anatomic and reverse shoulder joint replacement and shoulder replacement revision and fractures

Sports Medicine: including shoulder arthroscopy, rotator cuff repair, shoulder instability, biceps tenodesis or tenotomy, frozen shoulder, impingement, labral repair, subacromial decompression, knee arthroscpy with ACL reconstruction, and meniscus surgery

Ankle Care, including Achilles tendon ruptures and fracture care

Elbow Care, including bicep and tricep ruptures, ulnar nerve decompression/transposition, and fracture care

Hand Care, including carpal tunnel release, DeQuervain’s release, trigger finger release, arthritis, and fracture care  

Wrist Care: including fracture care, carpal tunnel release, and DeQuervain’s release


Board Eligible, American Osteopathic Academy of Orthopedics

Joint Replacement and Sports Medicine, Triangle Orthopedic Associates, Durham, NC

Michigan State University: St. John Providence Health System, East Lansing, MI

Medical Degree
Des Moines University College of Osteopathic Medicine, Des Moines, IA

Hospital and Surgery Center Affiliations

    Mercy and Unity Hospitals
    Minnesota Orthopaedic Surgery Center
    North Memorial Ambulatory Surgery Center at Maple Grove

Professional Affiliations

    American Academy of Orthopedic Surgeons (AAOS)
    American Osteopathic Association of Orthopedics (AOAO)
    American Osteopathic Association (AOA)
    American Association of Hip and Knee Surgeons (AAHKS)


  • Kristin V.
    Care Coordinator

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