Dr. Casey Johnston

Orthopedic Surgery

Dr. Casey Johnston is a board-certified orthopedic surgeon practicing in Watertown, South Dakota. In 2023, Dr. Johnston performed 34 Medicare-verified knee replacements, ranking #23 in South Dakota. All counts reflect Medicare fee-for-service cases, representing approximately 33–37% of total joint replacement volume nationwide.

Verified Medicare Cases (2023)

Knee Replacement
34 verified cases
#23 in South Dakota

Verified Case Volume Trends (2013-2024)

Questions to Ask Dr. Johnston

Medicare volume represents only a portion of a surgeon's practice.

Recommended Script:

"Dr. Johnston, I see your Medicare volume is lower—what percentage of your practice is private insurance or sports medicine? Approximately how many total joint replacements do you perform annually?"

Preparing for Surgery?

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Contact & Location

📞 Phone: 605-882-2630
401 9th Ave Nw
Watertown, SD 57201
NPI: 1952514994
✅ Active Medicare provider (NPI verified)
📅 19 years of practice experience
🏥 Licensed surgical specialist
🦴 Board-certified orthopedic surgeon
📞 Contact information available

Other Top South Dakota Orthopedic Surgeons

Dr. Michael Adler - Sioux Falls 336 procedures
Dr. Corey Rothrock - Sioux Falls 227 procedures
Dr. Jeffrey Marrs - Rapid City 190 procedures
Dr. Timothy Walker - Sioux Falls 164 procedures

Browse South Dakota by Procedure

Hip Replacement Surgeons Knee Replacement Surgeons Shoulder Replacement Surgeons
Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately 33-37% of all joint replacement procedures nationwide (63% of Medicare fee-for-service). Always consult with healthcare providers to make informed decisions about your care.
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