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​"If you listen to the patient, he or she will tell you what the problem is." 

Provider Bio down arrow

Dr. Keenan prides himself on communicating well with patients and having them understand the plan for their treatment.

“Besides performing surgery, I really enjoy talking with the patients," he said. He was drawn to Marshfield Clinic Health System in 1989 by its strong multi-specialty aspect, and having everyone under one roof, unlike some other major medical centers.

“We've incorporated all of the new techniques and procedures here at the Marshfield Medical Center," he said. “Anything you want to have done surgically can be done here. The patient's well-being is our prime concern."

Dr. Keenan earned his medical degree at the University of South Florida College of Medicine Health Sciences in Tampa.

He completed his residency in orthopedics at the Naval Medical Center in San Diego, California.

He enjoys collecting military antiques, including firearms and clothing from the early 1900s through World War II, and Irish Army materials. He also enjoys cooking a variety of dishes. He and his wife have three children and two stepchildren.​​


Arthritis;Arthritis Surgery;Arthroscopy;Clavicle Fracture;Complication Total Joint Replacement;Elbow Dislocation;Elbow Fracture;Elbow Replacement;Entrapment Syndromes;Humerus Shaft Fracture (not proximal/humeral head);Orthopedic Surgery;Painful Shoulder;Rotator Cuff Injury;Shoulder Pain;Shoulder Surgery;Sports Medicine;Tennis Elbow;Total Joint Replacement;Ulnar Nerve Compression (Cubital Tunnel);Ulnar Nerve Transposition;

Professional Summary down arrow

  • Medical School
    University of South Florida - College of Medicine Health Sciences Center Tampa, FL, United States, M.D. 1979

    Internship
    Naval Medical Center San Diego, CA, United States, Orthopedics 1981

    Residency
    Naval Medical Center San Diego, CA, United States, Orthopedics 1985

  • Academic Appointments
    Clinical Instructor, Department of Surgery-University of Wisconsin School of Medicine and Public Health Madison, WI

    Professional Societies
    American Academy of Orthopaedic Surgeons American College of Surgeons American Medical Association Irish American Orthopaedic Society Wisconsin Medical Society Wisconsin Orthopaedic Society Wisconsin Surgical Society

    Board Certifications
    Orthopaedic Surgery: 1991, recertified 2012

    State Licenses
    Wisconsin

Patient Ratings down arrow

4.7
out of 5 (110 ratings, 8 comments)
4.7
Provider explanations of my problem
4.7
Provider concern for my questions
4.6
Provider's efforts to include me in treatment decisions
4.6
Provider's discussion of proposed treatment
4.7
My likelihood of recommending this provider

Patient Comments down arrow

Comments are also gathered from the Press Ganey patient satisfaction survey and displayed in their entirety with the exception of any language that may be considered slander, libel or contain private health information, which will be removed prior to publishing.
Comments are from Press Ganey surveys. Slander, libel and private health information are removed.
Sort by:
August 26, 2022
Very personable doctor - easy to talk to - always answered my questions & concerns.
January 10, 2023
I have nothing but upmost respect for the care and knowledge provided to me.
January 17, 2023
Extremely kind and professional doctor.
January 25, 2023
Excellent surgeon both in OR and in exam rooms. ...helped me with ideas and strengthening techniques to improve my range and quality of life.
January 31, 2023
Dr Keenan is an excellent Doctor
March 13, 2023
Very good doctor.
April 12, 2023
The doctor went out of his way to arrange for me to get my shot in Wausau and sooner than I expected.
April 14, 2023
He is an excellent provider "one of the best."
August 26, 2022
Very personable doctor - easy to talk to - always answered my questions & concerns.
January 10, 2023
I have nothing but upmost respect for the care and knowledge provided to me.
January 17, 2023
Extremely kind and professional doctor.
January 25, 2023
Excellent surgeon both in OR and in exam rooms. ...helped me with ideas and strengthening techniques to improve my range and quality of life.
January 31, 2023
Dr Keenan is an excellent Doctor
March 13, 2023
Very good doctor.
April 12, 2023
The doctor went out of his way to arrange for me to get my shot in Wausau and sooner than I expected.
April 14, 2023
He is an excellent provider "one of the best."
August 26, 2022
Very personable doctor - easy to talk to - always answered my questions & concerns.
January 10, 2023
I have nothing but upmost respect for the care and knowledge provided to me.
January 17, 2023
Extremely kind and professional doctor.
January 25, 2023
Excellent surgeon both in OR and in exam rooms. ...helped me with ideas and strengthening techniques to improve my range and quality of life.
January 31, 2023
Dr Keenan is an excellent Doctor
March 13, 2023
Very good doctor.
April 12, 2023
The doctor went out of his way to arrange for me to get my shot in Wausau and sooner than I expected.
April 14, 2023
He is an excellent provider "one of the best."
April 14, 2023
He is an excellent provider "one of the best."
April 12, 2023
The doctor went out of his way to arrange for me to get my shot in Wausau and sooner than I expected.
March 13, 2023
Very good doctor.
January 31, 2023
Dr Keenan is an excellent Doctor
January 25, 2023
Excellent surgeon both in OR and in exam rooms. ...helped me with ideas and strengthening techniques to improve my range and quality of life.
January 17, 2023
Extremely kind and professional doctor.
January 10, 2023
I have nothing but upmost respect for the care and knowledge provided to me.
August 26, 2022
Very personable doctor - easy to talk to - always answered my questions & concerns.

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