Dr. Isidoro Zambrano, MD

Orthopedic Surgery

Dr. Isidoro Zambrano is a board-certified orthopedic surgeon practicing in Fort Atkinson, Wisconsin. In 2023, Dr. Zambrano performed 28 Medicare-verified knee replacements (#78 in Wisconsin) and 12 hip replacements (#107 in Wisconsin), for a combined total of 40 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
28 verified cases
#78 in Wisconsin
Hip Replacement
12 verified cases
#107 in Wisconsin

Verified Case Volume Trends (2013-2024)

Questions to Ask Dr. Zambrano

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

Recommended Script:

"Dr. Zambrano, 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: 920-563-7888
1504 Madison Ave
Fort Atkinson, WI 53538
NPI: 1598712663
Credentials: MD
✅ Active Medicare provider (NPI verified)
📅 20 years of practice experience
🎓 Licensed MD
🏥 Licensed surgical specialist
🦴 Board-certified orthopedic surgeon
📞 Contact information available

Other Top Wisconsin Orthopedic Surgeons

Dr. Brian Nickel - Madison 235 procedures
Dr. Richard Illgen - Madison 206 procedures
Dr. David Hennessy - Madison 204 procedures
Dr. Christopher Evanich - Milwaukee 191 procedures

Browse Wisconsin 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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