Dr. Kimberly Bartosiak, MD
Dr. Kimberly Bartosiak is a board-certified orthopedic surgeon practicing in Saint Louis, Missouri. A Medicare provider since 2015, Dr. Bartosiak has performed 44 Medicare-verified knee replacements (#48 in Missouri) and 22 hip replacements, for a combined total of 66 procedures.
In Missouri, Dr. Bartosiak performs near average in knee (44 vs 43 avg), below average in hip (22 vs 30 avg).
Dr. Bartosiak's reported Medicare volume is split between knee replacements (44 cases) and hip replacements (22 cases).
Saint Louis is home to 50 orthopedic surgeons in the current Medicare dataset. Patients in the Saint Louis area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Bartosiak extend back to 2021, covering 3 years of data. Over that period, recorded procedure volume increased from 19 to 66 in the most recent data, a 247% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Bartosiak's 44 verified procedures is near the national average of 45.
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. Bartosiak Compares
Procedure volume compared to the Missouri state average.
Contact & Location
Saint Louis, MO 63110
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Bartosiak's Medicare-recorded procedure volume has trended upward over 3 years, increasing 247% from 19 procedures in 2021 to 66 in the most recent data.
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.
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.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
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. Bartosiak
How does Dr. Bartosiak's procedure volume compare to other Missouri surgeons?
Dr. Bartosiak has performed 66 Medicare-verified joint replacement procedures. This is in line with the Missouri average of 56 procedures per surgeon. Dr. Bartosiak ranks #58 out of 199 orthopedic surgeons in Missouri.
What types of joint replacement does Dr. Bartosiak perform?
Dr. Bartosiak's Medicare data shows procedures in knee replacement (44 cases) and hip replacement (22 cases).
Are there other orthopedic surgeons near Dr. Bartosiak in Saint Louis?
Yes. There are 50 orthopedic surgeons in Saint Louis 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. Bartosiak 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. Bartosiak's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 66 procedures shown here.
Has Dr. Bartosiak's procedure volume changed over time?
Yes. Dr. Bartosiak's Medicare-recorded volume has increased from 19 procedures in 2021 to 66 in the most recent data, a 247% increase over 3 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 68 procedures in 2022.
Does Dr. Bartosiak perform more than one type of joint replacement?
Yes. Dr. Bartosiak's Medicare data shows procedures in knee replacement (44 cases), hip replacement (22 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Bartosiak affiliated with?
According to CMS facility affiliation data, Dr. Bartosiak is affiliated with Barnes-Jewish West County Hospital, Barnes Jewish Hospital.
How does Dr. Bartosiak compare to other orthopedic surgeons in Saint Louis?
Among the 50 orthopedic surgeons in Saint Louis, Dr. Bartosiak ranks #17 by total Medicare procedure volume. The highest-volume surgeon in Saint Louis has 263 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Bartosiak practices?
Barnes-Jewish West County Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Barnes Jewish Hospital (4 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 Saint Louis, Missouri
Dr. Bartosiak's 66 Medicare procedures are below the Saint Louis average of 138. The table below compares verified procedure volumes for orthopedic surgeons practicing in Saint Louis.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Ryan Nunley | 263 | Hip, Knee |
| Dr. Michael Hubbard | 135 | Hip, Knee, Shoulder |
| Dr. Christopher Mudd | 130 | Hip, Knee |
| Dr. Ilya Bendich | 128 | Hip, Knee |
| Dr. Coles L'hommedieu | 122 | Hip, Knee |
| Dr. Christopher Palmer | 121 | Hip, Knee |
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