Dr. David Simenstad, MD
Dr. David Simenstad is a board-certified orthopedic surgeon practicing in Marshfield, Wisconsin. Dr. Simenstad has performed 34 Medicare-verified knee replacements (#59 in Wisconsin) and 22 hip replacements, for a combined total of 56 procedures.
In Wisconsin, Dr. Simenstad performs near average in knee (34 vs 37 avg), below average in hip (22 vs 29 avg).
Dr. Simenstad's reported Medicare volume is split between knee replacements (34 cases) and hip replacements (22 cases).
Marshfield is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Marshfield area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Simenstad's Medicare data spans 11 years, beginning in 2013. Volume peaked at 78 procedures in 2021 before settling at 56 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Simenstad's 34 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
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. Simenstad Compares
Procedure volume compared to the Wisconsin state average.
Contact & Location
Marshfield, WI 54449
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Simenstad's recorded volume peaked at 78 procedures in 2021 and stood at 56 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
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. Simenstad
How does Dr. Simenstad's procedure volume compare to other Wisconsin surgeons?
Dr. Simenstad has performed 56 Medicare-verified joint replacement procedures. This is in line with the Wisconsin average of 52 procedures per surgeon. Dr. Simenstad ranks #64 out of 185 orthopedic surgeons in Wisconsin.
What types of joint replacement does Dr. Simenstad perform?
Dr. Simenstad's Medicare data shows procedures in knee replacement (34 cases) and hip replacement (22 cases).
Are there other orthopedic surgeons near Dr. Simenstad in Marshfield?
Yes. There are 4 orthopedic surgeons in Marshfield 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. Simenstad 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. Simenstad's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 56 procedures shown here.
Has Dr. Simenstad's procedure volume changed over time?
Dr. Simenstad's Medicare-recorded volume peaked at 78 procedures in 2021 and was 56 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.
Does Dr. Simenstad perform more than one type of joint replacement?
Yes. Dr. Simenstad's Medicare data shows procedures in knee replacement (34 cases), hip replacement (22 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
How does Dr. Simenstad compare to other orthopedic surgeons in Marshfield?
Among the 4 orthopedic surgeons in Marshfield, Dr. Simenstad ranks #2 by total Medicare procedure volume. Dr. Simenstad is among the highest-volume surgeons in Marshfield.
Other Orthopedic Surgeons in Marshfield, Wisconsin
Dr. Simenstad's 56 Medicare procedures are below the Marshfield average of 60. The table below compares verified procedure volumes for orthopedic surgeons practicing in Marshfield.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Robert Cagle | 116 | Hip, Knee |
| Dr. Kenneth Stone | 40 | Hip, Knee |
| Dr. Owen Keenan | 27 | Shoulder |
Patient Reviews & Ratings
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