Knee
Dr. Robert Barrack, MD
Dr. Robert Barrack is a board-certified orthopedic surgeon practicing in Saint Louis, Missouri. A Medicare provider since 2006, Dr. Barrack has performed 52 Medicare-verified knee replacements, ranking #38 in Missouri.
In Missouri, Dr. Barrack performs above average in knee (52 vs 43 avg).
Dr. Barrack's Medicare data shows a focused knee replacement practice with 52 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.
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.
Dr. Barrack's Medicare record spans 11 years from 2013 through 2023. Procedure volume has remained consistent during that period, ranging from 52 to 82 procedures per year, reflecting a steady joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Barrack's 52 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. Barrack 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. Barrack's procedure volume has been consistent across 11 years of Medicare data, ranging from 52 to 82 procedures per year. This stability suggests a well-established joint replacement practice.
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.
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.
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. Barrack
How does Dr. Barrack's procedure volume compare to other Missouri surgeons?
Dr. Barrack has performed 52 Medicare-verified joint replacement procedures. This is in line with the Missouri average of 56 procedures per surgeon. Dr. Barrack ranks #75 out of 199 orthopedic surgeons in Missouri.
What types of joint replacement does Dr. Barrack perform?
Dr. Barrack's reported Medicare volume is focused on knee replacement, with 52 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Barrack 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. Barrack 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. Barrack's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 52 procedures shown here.
Has Dr. Barrack's procedure volume changed over time?
Dr. Barrack's procedure volume has been relatively stable over 11 years of Medicare data, ranging from 52 to 82 procedures per year between 2013 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.
Which hospitals is Dr. Barrack affiliated with?
According to CMS facility affiliation data, Dr. Barrack is affiliated with Barnes-Jewish West County Hospital, Barnes Jewish Hospital.
How does Dr. Barrack compare to other orthopedic surgeons in Saint Louis?
Among the 50 orthopedic surgeons in Saint Louis, Dr. Barrack ranks #18 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. Barrack 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. Barrack's 52 Medicare procedures are below the Saint Louis average of 136. 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 |
Patient Reviews & Ratings
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