Dr. Timothy Walker is a board-certified orthopedic surgeon who specializes in total hip replacement, including anterior and standard approaches, total knee replacement, partial knee replacement, knee arthroscopy, and anterior approach total hip arthroplasty. In addition, he offers robotic-assisted total hip replacement and robotic-assisted partial knee replacement.
Dr. Timothy Walker is a board-certified orthopedic surgeon who specializes in total hip replacement, including anterior and standard approaches, total knee replacement, partial knee replacement, knee arthroscopy, and anterior approach total hip arthroplasty. In addition, he offers robotic-assisted total hip replacement and robotic-assisted partial knee replacement.
The reviews listed below were collected independently of Orthopedic Institute through rater8. Each review represents an authentic and verified patient experience.
Professional and caring service.
(6 days ago)
Jan-2026
Best orthopedic surgeon I have had.
(1 week ago)
Jan-2026
A wonderful. Doctor
(1 week ago)
Jan-2026
He is the best, along with super nurse Tiffany !
(2 weeks ago)
Jan-2026
Always professional
(2 weeks ago)
Jan-2026
Dr. Walker listened to my concerns and knew exactly what to do surgically to help!
(2 weeks ago)
Jan-2026
He did an excellent job. And pointed me in the right direction to get my problems corrected.
(1 month ago)
Dec-2025
A great experience all around. The staff was great and Dr Walker is the best! 10/10!!
(1 month ago)
Dec-2025
Very happy
(1 month ago)
Nov-2025
Excellent !!!
(1 month ago)
Nov-2025
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(Old Main Office) Sioux Falls
Since 2004, Dr. Timothy Walker has practiced orthopedics in Sioux Falls, specializing in total hip replacement, including anterior and standard approaches, total knee replacement, partial knee replacement, knee arthroscopy, and anterior approach total hip arthroplasty. In addition, he offers robotic-assisted total hip replacement and robotic-assisted partial knee replacement.
Born and raised in Indiana, Dr. Walker attended, and played football at Butler University, received a master's degree from Purdue, and a doctorate from Indiana University. After medical school, Dr. Walker trained as a pediatric orthopedic research fellow at Indiana University and interned in general surgery at Indiana School of Medicine.
He performed his residency at Indiana University School of Medicine, is board-certified in orthopedics, and holds a subspecialty certificate in sports medicine.
When he is not working, Dr. Walker enjoys staying active by playing sports, running, hiking, weightlifting, and supporting his kids in their activities.
Professional and caring service.
Best orthopedic surgeon I have had.
A wonderful. Doctor
He is the best, along with super nurse Tiffany !
Always professional
Dr. Walker listened to my concerns and knew exactly what to do surgically to help!
He did an excellent job. And pointed me in the right direction to get my problems corrected.
A great experience all around. The staff was great and Dr Walker is the best! 10/10!!
Very happy
Excellent !!!