Dr. Isidoro Zambrano, MD
Contact & Location
Fort Atkinson, WI 53538
Dr. Isidoro Zambrano is a board-certified orthopedic surgeon practicing in Fort Atkinson, Wisconsin. A Medicare provider since 2006, Dr. Zambrano has performed 18 Medicare-verified knee replacements, ranking #113 in Wisconsin.
In Wisconsin, Dr. Zambrano performs below average in knee (18 vs 36 avg).
Dr. Zambrano's Medicare data shows a focused knee replacement practice with 18 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
Fort Atkinson is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the Fort Atkinson area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Zambrano's Medicare data spans 12 years, beginning in 2013. Volume peaked at 71 procedures in 2015 before settling at 18 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Zambrano's 18 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
Verified Case Volume Trends (2013-Current)
Verified Medicare Cases
How is this estimated?
Medicare Part B fee-for-service claims represent approximately 33–37% of all joint replacements performed nationally (source: CMS data, AJRR). This range estimates the surgeon's total practice volume across all payers. The verified Medicare count above is the definitive, audited figure.
How Dr. Zambrano Compares
Procedure volume compared to the Wisconsin state average.
Volume Trend Analysis
Dr. Zambrano's recorded volume peaked at 71 procedures in 2015 and stood at 18 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
Hospital Affiliations
Patient Resources: Preparing for Knee Replacement
If you are considering knee replacement surgery, these evidence-based guides can help you prepare and recover:
An overview of current surgical approaches including robotic-assisted and minimally invasive techniques, implant options, and expected outcomes.
Questions to Ask Your Surgeon Before Joint ReplacementA practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
Outpatient Joint Replacement: A Medicare GuideHow outpatient joint replacement works under Medicare, including eligibility criteria, cost differences, and what to expect with same-day discharge.
Knee Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full knee replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Zambrano
How does Dr. Zambrano's procedure volume compare to other Wisconsin surgeons?
Dr. Zambrano has performed 18 Medicare-verified joint replacement procedures. The Wisconsin average is 51 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Zambrano ranks #143 out of 189 orthopedic surgeons in Wisconsin.
What types of joint replacement does Dr. Zambrano perform?
Dr. Zambrano's reported Medicare volume is focused on knee replacement, with 18 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Zambrano in Fort Atkinson?
Yes. There are 2 orthopedic surgeons in Fort Atkinson in the current Medicare dataset. Patients can compare procedure volumes and specializations to choose the surgeon who best fits their needs. Use the state page to view all Wisconsin surgeons.
What does the Medicare data for Dr. Zambrano represent?
The procedure counts shown are based on the most recent Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). This captures approximately 33–37% of all joint replacements performed nationally. Dr. Zambrano's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 18 procedures shown here.
Has Dr. Zambrano's procedure volume changed over time?
Dr. Zambrano's Medicare-recorded volume peaked at 71 procedures in 2015 and was 18 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.
Which hospitals is Dr. Zambrano affiliated with?
According to CMS facility affiliation data, Dr. Zambrano is affiliated with Fort Memorial Hospital.
Other Orthopedic Surgeons in Fort Atkinson, Wisconsin
Dr. Zambrano's 18 Medicare procedures are below the Fort Atkinson average of 33. The table below compares verified procedure volumes for orthopedic surgeons practicing in Fort Atkinson.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Paul Schuppner | 48 | Hip, Knee |
Patient Resources & Verification
Research reviews, verify credentials, and check official quality data through these trusted sources:
Medicare Care Compare and NPI Registry are official U.S. government sources. Google reviews reflect user-submitted feedback. OrthoProcedures.com does not verify the accuracy of third-party review content.