Luke Mortimer, MD
Verified Patient Rating: 5 (444 patient reviews and ratings)
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Joint Replacement, Knee, Shoulder, & Sports Medicine

Dr. Mortimer is an orthopedic surgeon who specializes in joint replacement, knee, shoulder, and sports medicine. Dr. Mortimer began practicing at Black Hills Orthopedic & Spine Center in 2008.

After completing his Bachelor of Arts with honors at St. Olaf College in Northfield, Minnesota, Dr. Mortimer went on to receive his Doctor of Medicine degree at the University of South Dakota School of Medicine in Vermillion, South Dakota.

Once he obtained his medical degree, Dr. Mortimer underwent a residency in orthopedic surgery at the University of Arizona in Tucson, Arizona. After completing his residency, Dr. Mortimer completed his fellowship in orthopedic surgery and sports medicine at the University of Arizona in Tucson, Arizona.

Dr. Mortimer is certified by the American Board of Orthopaedic Surgery with added qualification in orthopaedic sports medicine.

Dr. Luke Mortimer is a board-certified orthopedic surgeon who is available to see patients in Rapid City, South Dakota; Gillette, Wyoming; and Spearfish, South Dakota.

When he is not seeing patients, Dr. Mortimer enjoys skiing, fishing, hiking, traveling, golfing, biking, coaching, and tennis.


  • St. Olaf College, Northfield, MN, 1998

Medical School

  • University of South Dakota School of Medicine, Vermillion, SD, 2002


  • Orthopedic Surgery, University of Arizona, Tucson, AZ, 2007


  • Orthopedic Surgery and Sports Medicine, University of Arizona, Tucson, AZ, 2008


  • American Board of Orthopaedic Surgery
  • American Board of Orthopaedic Surgery Added Qualification in Orthopaedic Sports Medicine, 2013

Hospital Affiliations

  • Black Hills Surgical Hospital
  • Rapid City Regional Hospital

Professional Memberships

  • Arthroscopy Association of North America
  • American Academy of Orthopaedic Surgeons
  • South Dakota State Orthopaedic Society


  • The Leonard F. Peltier Award for Excellence in Research, University of Arizona Department of Orthopedic Surgery, 2005
  • President-Elect of USD School of Medicine, American Medical Students Association, 1999-2002
  • I.D.E. Scholarship for Scholastic Excellence, USD School of Medicine, 2001
  • Saylor Scholarship for Excellence and Interest in Surgical Specialties, USD School of Medicine, 2001
  • Vice President-Elect Black Hills Orthopedic & Spine Center, 2011-2013
  • President-Elect Black Hills Orthopedic & Spine Center, 2013-Present
  • Associate Master Instructor of Arthroscopy for AANA, 2012-Present
  • Black Hills Surgical Hospital Management Committee, 2013-Present
  • Black Hills Surgical Hospital Credentials Committee, 2012-2013

Team Affiliations

  • Rapid City-Area Schools
  • Sturgis and New Underwood School Districts
  • St. Thomas More High School

Medical Interests

  • Knee arthroscopy
  • Arthroscopic rotator cuff repairs
  • Cartilage preservation surgery
  • Partial knee replacement
  • Total hip replacement
  • Shoulder arthroscopy
  • Arthroscopic labral repairs
  • Cartilage restoration surgery
  • Total knee arthroplasty/replacement
  • Fracture care
  • Nonoperative management of sports injuries
  • Intra-articular knee and shoulder injections
  • Nonoperative management of shoulder problems

Research, Presentations, & Publications

  • "Arthroscopic Treatment of Knee Fractures" Mortimer, S.L., Hunter, R. E., Knee Arthroscopy, Chapter 11 pp. 181-195. Springer New York, 2009.
  • "Characterization of Lateral Talar Osteophyte Formation and the Relationship to Chronic Ankle Instability" Mortimer, S.L., Kiarash, A.B., (currently being submitted for publication)
  • "Complication Rates in Hip Fractures: A Comparison of Reported Data from a Hospital's Medical Information Service and an Orthopedic Surgery Peer Review System" Mortimer, S.L., Grana, W.A., (currently submitted to JAMA for publication)
  • "Preconditioning-Induced Attenuation of Purin Metabolite Accumulation During Ischaemia: Memory and Multiple Cycles" S.L. Mortimer, C.T. Kodl, C.R. Reiling, D.G.L. Van Wylen, PhD.  Basic Res Cardiol. 2000 Volume: 95, pp. 119-126.

Phone: (605) 341-1414

Office: Rapid City, SD

Office: Spearfish, SD

“Dr. Mortimer was knowledgeable and explained things in terms we could understand. He was friendly and took the time we needed with him. I liked his conservative approach. His assistant, Keith, was also pleasant and efficient. Had a good experience and at this point would recommend Dr. Mortimer and BHOSC to anyone who asks.”
– Dorotheda T.
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