John Oldenkamp, PA‑C, grew up in Worthing and graduated from Lennox High School. He earned his Bachelor of Science degree in Radiologic Technology from Presentation College. After graduation, John worked in surgery at Sanford in Sioux Falls for two years, where he collaborated closely with multiple physician assistants and surgeons, primarily in orthopedics and spine surgery. This experience lead him to earn his Master of Science degree in Physician Assistant Studies from the University of South Dakota in 2024.
John Oldenkamp, PA‑C, grew up in Worthing and graduated from Lennox High School. He earned his Bachelor of Science degree in Radiologic Technology from Presentation College. After graduation, John worked in surgery at Sanford in Sioux Falls for two years, where he collaborated closely with multiple physician assistants and surgeons, primarily in orthopedics and spine surgery. This experience lead him to earn his Master of Science degree in Physician Assistant Studies from the University of South Dakota in 2024.
The reviews listed below were collected independently of Orthopedic Institute through rater8. Each review represents an authentic and verified patient experience.
Explained everything very well and was very courteous.
(1 week ago)
Feb-2026
Very knowledgeable. John was excellent in explaining the surgery and recovery.
(2 weeks ago)
Feb-2026
Dr Jon is a caring person with his patients. Explains home treatments very good. Very great guy
(1 month ago)
Jan-2026
Appreciated being able to see John on short notice.
(1 month ago)
Dec-2025
Nurse and receptionist were great too
(2 months ago)
Dec-2025
Very thorough and personable.
(8 months ago)
Jun-2025
(Old Main Office) Sioux Falls
John Oldenkamp, PA‑C, grew up in Worthing and graduated from Lennox High School in 2016. He earned his Bachelor of Science degree in Radiologic Technology from Presentation College in 2020. After graduation, John worked in surgery at Sanford in Sioux Falls for two years, where he collaborated closely with multiple physician assistants and surgeons, primarily in orthopedics and spine surgery. This experience inspired him to pursue a career as a PA, leading him to earn his Master of Science degree in Physician Assistant Studies from the University of South Dakota in 2024.
John’s passion for orthopedics was influenced by his active involvement in sports within the Lennox school district, playing football at Presentation College, and tutoring anatomy lab during undergrad. Having received care at Orthopedic Institute throughout high school and undergrad, he is eager to make a positive impact on others as those providers did for him. John is excited to take this next step in his career by joining Dr. McKenzie and his staff to provide local spine and orthopedic care to the community where he grew up.
John has been married to his wife, Taylor, for six years, and they have a 2.5-year-old son, with a daughter expected in early September. The family also includes two yellow labs, Whinnie and Rue. In his free time, John enjoys weightlifting, kayaking, and spending time outdoors with his family.
Explained everything very well and was very courteous.
Very knowledgeable. John was excellent in explaining the surgery and recovery.
Dr Jon is a caring person with his patients. Explains home treatments very good. Very great guy
Appreciated being able to see John on short notice.
Nurse and receptionist were great too
Very thorough and personable.