Dr. Joel Zamzow, M.D.

Orthopedic Surgery

Dr. Joel Zamzow is a board-certified orthopedic surgeon practicing in Duluth, Minnesota. In 2023, Dr. Zamzow performed 23 Medicare-verified knee replacements (#81 in Minnesota) and 14 hip replacements (#78 in Minnesota), for a combined total of 37 procedures. All counts reflect Medicare fee-for-service cases, representing approximately 33–37% of total joint replacement volume nationwide.

Verified Medicare Cases (2023)

Knee Replacement
23 verified cases
#81 in Minnesota
Hip Replacement
14 verified cases
#78 in Minnesota

Verified Case Volume Trends (2013-2024)

Questions to Ask Dr. Zamzow

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

Recommended Script:

"Dr. Zamzow, 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?

Browse recommended recovery products for knee replacement

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Contact & Location

📞 Phone: 218-722-5513
1000 E 1st St
Duluth, MN 55805
NPI: 1053316554
Credentials: M.D.
✅ Active Medicare provider (NPI verified)
📅 21 years of practice experience
🎓 Licensed M.D.
🏥 Licensed surgical specialist
🦴 Board-certified orthopedic surgeon
📞 Contact information available
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.