About the Practice
My Team

Owen R. O’Neill, MD
Owen O’Neill, MD, grew up in St. Paul, Minnesota. He graduated from St. Thomas before it became a university. He received his medical degree from Mayo Medical School in Rochester, Minnesota, and completed his residency in orthopedic surgery at Mayo Clinic. He went on to do a Sports Medicine Fellowship at Johns Hopkins in Baltimore, Maryland. He has attained a Certificate of Added Qualification in Sports Medicine and continues to pursue training in the newest orthopedic techniques. Dr. O’Neill is married with two teenage sons who keep him on his toes both on the golf course and on the ski slopes.
Clinical Interest
Hip Care, including Anterior Approach Hip Replacement, Hip Joint Replacement and Hip Arthroscopy
Knee Care, including Knee Joint Replacement, ACL Surgery and Knee Arthroscopy
Shoulder Care, including Rotator Cuff Surgery and Shoulder Arthroscopy
Sports Medicine, including ACL Surgery, Cartilage Transplantation and Regenerative Medicine
Dr. O’Neill also specializes in Minimally Invasive Surgery and Cartilage Transplantation.
Education
Certification
Board Certified, American Board of Orthopaedic Surgery
Subspecialty Certification in Sports Medicine
Fellowship
Fellowship in Sports Medicine at Johns Hopkins University
Residency
Mayo Graduate School of Medicine
Medical Degree
Mayo Graduate School of Medicine
Hospital & Surgery Center Affiliations
Crosstown Surgery Center
Eagan Orthopedic Surgery Center
Fairview Southdale Hospital
Professional Affiliations
American Academy of Orthopaedic Surgeons
Medical Director – TCO Excel Program
Medical Director – Crosstown Surgery Center
Board of Directors Member – Twin Cities Orthopedics
Achievements & Awards
Voted as a Top Doctor in Mpls.St.Paul Magazine multiple years
Sports Affiliations
Team Physician: University of St. Thomas
Staff
Isabel Sim-Campos, PA-C
Physician Assistant, Board Certified
About
Isabel Sim-Campos, PA-C, is a Physician Assistant working in conjunction with Dr. Owen O’Neill to coordinate excellent orthopedic patient care. She assists in surgery and sees patients in clinic, where she conducts patient histories and exams, orders and interprets tests, performs injections, and helps manage post-operative patients.
Education
Certification
Board Certified, National Commission on Certification of Physician Assistants (NCCPA)
Certification in Public Health (CPH)
Medical Education
Master of Science in Physician Assistant Studies, Touro University California
Master of Public Health, Touro University California
Bachelor of Arts, Individualized Natural Science – Integrative Health Science, College of Saint Benedict
Professional Affiliations
American Academy of Physician Assistants (AAPA)
Minnesota Academy of Physician Assistants (MAPA)
Physician Assistants in Orthopaedic Surgery (PAOS)
Casey Mahaney, OA-C, SA-C, CST
Orthopedic Assistant, Board Certified
Surgical Assistant, Board Certified
About
Casey Mahaney, OA-C, SA-C CST is a Surgical Assistant working in conjunction with Dr. Owen O’Neill to coordinate excellent orthopedic patient care. Her responsibilities include assisting in surgery, patient education, conducting history and physical exams, cast applications, and placement of splints and braces as required.
Education
Certification
Board Certified, National Board for Certification of Orthopaedic Physician Assistants (NBCOPA)
Board Certified, American Board of Surgical Assistants, National Center for Competency Testing (NCCT)
Medical Education
Associates Degree, High-Tech Institute
Professional Affiliations
American Society of Orthopedic Assistants (ASOA)

Ann S.
Care Coordinator
Ann lives in Savage with her husband and son and daughter.