Knee
Dr. Michael Williamson, MD
Dr. Michael Williamson is a board-certified orthopedic surgeon practicing in Kansas City, Missouri. A Medicare provider since 2007, Dr. Williamson has performed 14 Medicare-verified knee replacements, ranking #137 in Missouri.
In Missouri, Dr. Williamson performs below average in knee (14 vs 43 avg).
Dr. Williamson's Medicare data shows a focused knee replacement practice with 14 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.
Kansas City is home to 11 orthopedic surgeons in the current Medicare dataset. Patients in the Kansas City area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Williamson's Medicare data spans 6 years, beginning in 2016. Volume peaked at 29 procedures in 2021 before settling at 14 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Williamson's 14 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. Williamson Compares
Procedure volume compared to the Missouri state average.
Contact & Location
Kansas City, MO 64155
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Williamson's recorded volume peaked at 29 procedures in 2021 and stood at 14 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
Hospital Affiliations & Quality
Quality ratings and complication rates are hospital-level metrics from CMS Hospital Compare and do not reflect individual surgeon performance. Star ratings updated quarterly. Complication data covers a rolling 3-year period.
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.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
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. Williamson
How does Dr. Williamson's procedure volume compare to other Missouri surgeons?
Dr. Williamson has performed 14 Medicare-verified joint replacement procedures. The Missouri average is 56 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Williamson ranks #178 out of 199 orthopedic surgeons in Missouri.
What types of joint replacement does Dr. Williamson perform?
Dr. Williamson's reported Medicare volume is focused on knee replacement, with 14 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Williamson in Kansas City?
Yes. There are 11 orthopedic surgeons in Kansas City 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 Missouri surgeons.
What does the Medicare data for Dr. Williamson 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. Williamson's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 14 procedures shown here.
Has Dr. Williamson's procedure volume changed over time?
Dr. Williamson's Medicare-recorded volume peaked at 29 procedures in 2021 and was 14 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. Williamson affiliated with?
According to CMS facility affiliation data, Dr. Williamson is affiliated with Hedrick Medical Center, Wright Memorial Hospital, Saint Lukes North Hospital, St Lukes Hospital Of Kansas City, Pershing Memorial Hospital.
How does Dr. Williamson compare to other orthopedic surgeons in Kansas City?
Among the 11 orthopedic surgeons in Kansas City, Dr. Williamson ranks #11 by total Medicare procedure volume. The highest-volume surgeon in Kansas City has 174 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Williamson practices?
Hedrick Medical Center (5 out of 5 CMS stars); Saint Lukes North Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Kansas City, Missouri
Dr. Williamson's 14 Medicare procedures are below the Kansas City average of 65. The table below compares verified procedure volumes for orthopedic surgeons practicing in Kansas City.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jeffrey Krempec | 174 | Hip, Knee |
| Dr. John Eggers | 123 | Hip, Knee |
| Dr. Thomas McCormack | 39 | Hip, Knee |
| Dr. David Dugan | 36 | Hip, Knee |
| Dr. Michael Boin | 36 | Shoulder |
| Dr. Michael Justice | 33 | Hip, Knee |
Patient Reviews & Ratings
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