SPINE CENTER - Key Persons


Black Hills

Job Titles:
  • Associate Master Instructor of Arthroscopy for AANA, 2012 - Present

David W. Boyer

Job Titles:
  • Surgeon

Dr. Aaron Dykstra

Job Titles:
  • Surgeon
  • Certified Orthopedic Surgeon
Dr. Aaron Dykstra is a board-certified orthopedic surgeon who is available to see patients in Rapid City, South Dakota.

Dr. Clark Duchene

Job Titles:
  • Surgeon
  • Certified Orthopedic Surgeon
Dr. Duchene is an orthopedic surgeon who specializes in joint replacement, knee, shoulder, and sports medicine. He began practicing at Black Hills Orthopedic & Spine Center in 2004. Dr. Clark Duchene is a board-certified orthopedic surgeon who is available to see patients in Rapid City, South Dakota, and Philip, South Dakota. When Dr. Duchene is not seeing patients, he enjoys hunting, traveling, gardening, and biking.

Dr. David Lang

Job Titles:
  • Surgeon
  • Certified Orthopedic Surgeon
Dr. Lang is an orthopedic surgeon who specializes in the hand and wrist. Dr. Lang began practicing at Black Hills Orthopedic & Spine Center in 1993. Dr. David Lang is a board-certified orthopedic surgeon who is available to see patients in Rapid City, South Dakota. When he is not seeing patients, Dr. Lang enjoys spending time with his wife and five children, attending regional musical and performing art venues, visiting the six national parks and monuments, and spending time in the Black Hills.

Dr. Emmett McEleney

Job Titles:
  • Surgeon
  • Certified Orthopedic Surgeon
Dr. Emmett McEleney is a board-certified orthopedic surgeon who is available to see patients in Rapid City, South Dakota; Bowman, North Dakota; Williston, North Dakota; and Dickinson, North Dakota. When he is not seeing his patients, Dr. McEleney enjoys volunteer work, travel, motorsports, and photography.

Dr. Jeff Marrs

Job Titles:
  • Surgeon
  • Certified Orthopedic Surgeon
Dr. Marrs is an orthopedic surgeon who specializes in hip, joint replacement, and knee. Dr. Marrs began practicing at Black Hills Orthopedic & Spine Center in 2002. Dr. Jeff Marrs is a board-certified orthopedic surgeon who is available to see patients in Rapid City, South Dakota; Gillette, Wyoming; and Hot Springs, South Dakota. When he is not seeing patients, Dr. Marrs enjoys spending time with his family, golfing, fishing, and other outdoor activities.

Dr. Kent Renaud

Job Titles:
  • Podiatrist
  • Surgeon
Dr. Renaud is a podiatric surgeon who specializes in ankle, foot, podiatry, and wound care. Dr. Renaud began practicing at Black Hills Orthopedic & Spine Center in 2004. Dr. Kent Renaud is a podiatrist who is available to see patients in Rapid City, South Dakota, and Chadron, Nebraska. When he is not seeing patients, Dr. Renaud enjoys hiking, cycling, triathlons, and all things having to do with the outdoors.

Dr. Luke Mortimer

Job Titles:
  • Surgeon
  • Certified Orthopedic Surgeon
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. 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.

Dr. Robert Woodruff

Job Titles:
  • Surgeon
  • Certified Orthopedic Surgeon
Dr. Woodruff is an orthopedic surgeon who specializes in the back, neck, and spine. Dr. Woodruff began practicing at Black Hills Orthopedic & Spine Center in 2012. Dr. Robert Woodruff is a board-certified orthopedic surgeon who is available to see patients in Rapid City, South Dakota at The Spine Center, and Spearfish, South Dakota. When he is not seeing patients, Dr. Woodruff enjoys spending time with his family, golfing, running, biking, and skiing.

Dr. Troy Gust

Job Titles:
  • Member of the American Association of Neurological Surgeons
Dr. Troy Gust is a board-certified neurosurgeon who specializes in a wide array of back, neck, and spine conditions. He is an expert in performing back and neck microdiscectomies, decompressions, and fusions. As a native of South Dakota, Dr. Gust began working with Black Hills Orthopedic & Spine Center in April of 2022. Dr. Gust earned his Bachelor of Science degree in biology and Master of Arts degree in neurobiology from the University of South Dakota in Vermillion. He then pursued his Doctor of Medicine degree at the University of South Dakota Sanford School of Medicine. After moving to Kansas City, he completed a general surgery internship at The University of Kansas Medical Center. Following this, Dr. Gust remained at the university to undergo a neurosurgery residency. Certified by The American Board of Neurological Surgery, Dr. Gust is a member of the American Association of Neurological Surgeons and the American Medical Association. He is passionate about seeing his patients receive the expert back, neck, and spine care they deserve to help them return to a healthy, active lifestyle. He is available to see patients at The Spine Center in Rapid City and in Mitchell, SD. When he is not seeing patients, Dr. Gust enjoys spending time outside with his family, hunting, and fishing.

Stephen Eckrich

Job Titles:
  • Emeritus )

Stuart Fromm

Job Titles:
  • Emeritus )