Dr. David Simenstad, MD

Orthopedic Surgery

Dr. David Simenstad is a board-certified orthopedic surgeon practicing in Marshfield, Wisconsin. In 2023, Dr. Simenstad performed 34 Medicare-verified knee replacements (#59 in Wisconsin) and 22 hip replacements, for a combined total of 56 procedures.

Dr. Simenstad's 56 Medicare procedures are near the Wisconsin median of 41. The state has 185 orthopedic surgeons in the current Medicare dataset. Medicare fee-for-service data captures roughly 33–37% of all joint replacements, so total surgical volume is likely higher.

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.

Verified Medicare Cases (2023)

Knee Replacement
34 verified cases
#59 in Wisconsin
Hip Replacement
22 verified cases
#61 in Wisconsin
Estimated total: 150 – 170 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
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.

Verified Case Volume Trends (2013-2023)

Frequently Asked Questions About Dr. Simenstad

How does Dr. Simenstad's procedure volume compare to other Wisconsin surgeons?

In 2023, Dr. Simenstad 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 Medicare Part B fee-for-service claims data for 2023, 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.

Other Orthopedic Surgeons in Marshfield, Wisconsin

Compare Dr. Simenstad's volume with other surgeons practicing in Marshfield.

SurgeonProceduresSpecialties
Dr. Robert Cagle 116 Hip, Knee
Dr. Kenneth Stone 40 Hip, Knee
Dr. Owen Keenan 27 Shoulder

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Contact & Location

📞 Phone: 715-387-5511
1000 N Oak Ave
Marshfield, WI 54449
NPI: 1033217864
Credentials: MD
✅ Active Medicare provider (NPI verified)
📅 20 years of practice experience
🎓 Licensed MD
🏥 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.