Gary Willstein, MD

  • Gary Willstein, MD
    Gary Willstein, MD
    Hip, Knee, and Shoulder Surgeon

    Dr. Gary Willstein is a board certified orthopedic surgeon who specializes in total joint replacement of the hip, knee, and shoulder; sports medicine; fracture care; and general orthopedics. He is a very experienced surgeon with over 28 years specializing in orthopedic treatment and surgical success. He prides himself on providing exceptional patient care, which is evident from his patient reviews.

    The time is right for joint replacement surgery when your quality of life is being affected by your joint pain. Dr. Willstein specializes in shoulder, hip and knee joint replacement surgery. He uses the Superior Approach for total hip replacement, a tissue-sparing approach known for reducing recovery time and getting you back to functional movement, faster. He also has expertise in sports medicine and arthroscopic surgery of the hip, knee and shoulder joint. Arthroscopy is a minimally invasive surgical technique that is used to repair damaged structures inside the joint. Dr. Willstein likes to work with his patients to find the best treatment options for the individuals level of injury and lifestyle goals.

    When he isn’t working, Dr. Willsten enjoys skiing, sailing, tennis, photography and family activities. He has been a volunteer with Missoula Medical Aid on several medical trips to Honduras to provide orthopedic care. He and his wife Lynne, are very involved in giving back to the Missoula community.

    Medical School: University of Iowa College of Medicine, 1985

    Internship: West Virginia University, 1985-1986

    Residency: West Virginia University Hospitals, 1986-1990

    State Licensed: Montana

    Joined Practice: 2014

    Board Certification: American Board of Orthopaedic Surgery

    Professional Memberships:

    • Fellow, American Academy of Orthopaedic Surgeons (FAAOS)
    • American Board of Orthopaedic Surgery
    • Montana Orthopedic Association
    • Montana Medical Association


    Andy is Dr. Willstein's dedicated orthopedic assistant to make sure that each patient’s needs are met. If you have questions or concerns, you can call Andy directly at (406)532-8784.

    Wade Hudson is a Physician Assistant, PA-C, who works closely with Dr. Willstein in both surgery and the clinic. Wade also evaluates and treats patients who come to our Orthopedic Urgent Care.



    Hobbies/Personal Interests: Skiing, sailing, photography and family activities.

    Dr. Willstein has been a volunteer with Missoula Medical Aid on several medical trips to Honduras to provide orthopedic care.

    Dr. Willstein and his family visited Ghana, West Africa in spring 2016 with the “It Takes a Village” organization and a group of Hellgate High School students.


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