#85 Hip
#91 Knee

Dr. Kenneth Stone, MD

Orthopedic Surgery
40 procedures Marshfield, WI
Latest available Medicare data — updated April 2026
Rising Star
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 16 vs 36 avg (4,526 surgeons)
Knee 24 vs 45 avg (6,720 surgeons)

Dr. Kenneth Stone is a board-certified orthopedic surgeon practicing in Marshfield, Wisconsin. Dr. Stone has performed 24 Medicare-verified knee replacements (#91 in Wisconsin) and 16 hip replacements, for a combined total of 40 procedures.

In Wisconsin, Dr. Stone performs below average in knee (24 vs 37 avg), below average in hip (16 vs 29 avg).

Dr. Stone's reported Medicare volume is split between knee replacements (24 cases) and hip replacements (16 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.

Medicare records for Dr. Stone extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 20 to 40 in the most recent data, a 100% increase. This sustained growth reflects an expanding joint replacement practice.

Dr. Stone's 24 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

Knee Replacement
24 verified cases
#91 in Wisconsin
Hip Replacement
16 verified cases
#85 in Wisconsin
Estimated total: 110 – 120 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.

How Dr. Stone Compares

Procedure volume compared to the Wisconsin state average.

Hip Below Avg
16 Avg: 29
Knee Below Avg
24 Avg: 37
Dr. Stone Wisconsin Average

Contact & Location

1000 N Oak Ave
Marshfield, WI 54449
NPI: 1215035068
Credentials: MD
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Stone's Medicare-recorded procedure volume has trended upward over 11 years, increasing 100% from 20 procedures in 2013 to 40 in the most recent data.

Years of Data 11
2023 Volume 40
Peak Volume 50 (2016)
Trend Growing

Knee Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

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. Stone

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

Dr. Stone has performed 40 Medicare-verified joint replacement procedures. The Wisconsin average is 52 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Stone ranks #98 out of 185 orthopedic surgeons in Wisconsin.

What types of joint replacement does Dr. Stone perform?

Dr. Stone's Medicare data shows procedures in knee replacement (24 cases) and hip replacement (16 cases).

Are there other orthopedic surgeons near Dr. Stone 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. Stone 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. Stone's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 40 procedures shown here.

Has Dr. Stone's procedure volume changed over time?

Yes. Dr. Stone's Medicare-recorded volume has increased from 20 procedures in 2013 to 40 in the most recent data, a 100% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 50 procedures in 2016.

Does Dr. Stone perform more than one type of joint replacement?

Yes. Dr. Stone's Medicare data shows procedures in knee replacement (24 cases), hip replacement (16 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

How does Dr. Stone compare to other orthopedic surgeons in Marshfield?

Among the 4 orthopedic surgeons in Marshfield, Dr. Stone ranks #3 by total Medicare procedure volume. Dr. Stone is among the highest-volume surgeons in Marshfield.

Other Orthopedic Surgeons in Marshfield, Wisconsin

Dr. Stone's 40 Medicare procedures are below the Marshfield average of 60. The table below compares verified procedure volumes for orthopedic surgeons practicing in Marshfield.

SurgeonProceduresSpecialties
Dr. Robert Cagle 116 Hip, Knee
Dr. David Simenstad 56 Hip, Knee
Dr. Owen Keenan 27 Shoulder

Patient Reviews & Ratings

OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:

These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Kenneth Stone, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/wi/dr-kenneth-stone-marshfield.html

Link: https://orthoprocedures.com/surgeons/wi/dr-kenneth-stone-marshfield.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

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 one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.