Dr. William Frisella, MD
Contact & Location
636-441-3444
Saint Peters, MO 63376
About Dr. Frisella
Dr. William Frisella is a board-certified orthopedic surgeon practicing in Saint Peters, Missouri. A Medicare provider since 2007, Dr. Frisella performed 30 Medicare-verified shoulder replacements in the latest annual CMS data, ranking #20 in Missouri.
In Missouri, Dr. Frisella performs near the state average in shoulder (30 vs 31).
Dr. Frisella's Medicare data shows a focused shoulder replacement practice with 30 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.
Dr. Frisella is the only orthopedic surgeon in Saint Peters represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.
Medicare records for Dr. Frisella extend back to 2014, covering 10 years of data. Over that period, recorded procedure volume increased from 15 to 30 in the most recent data, a 100% increase. This sustained growth reflects an expanding joint replacement practice.
Among 2,213 shoulder replacement surgeons tracked nationally, Dr. Frisella's 30 verified procedures is near the national average of 29.
Verified Case Volume Trends (2013-Current)
| Year | Shoulder Replacement |
|---|---|
| 2013 | 0 |
| 2014 | 15 |
| 2015 | 20 |
| 2016 | 0 |
| 2017 | 13 |
| 2018 | 16 |
| 2019 | 26 |
| 2020 | 12 |
| 2021 | 28 |
| 2022 | 31 |
| 2023 | 32 |
| 2024 | 30 |
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. Frisella Compares
Procedure volume compared to the Missouri state average.
Volume Trend Analysis
Dr. Frisella's Medicare-recorded procedure volume has trended upward over 10 years, increasing 100% from 15 procedures in 2014 to 30 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 Shoulder Replacement
If you are considering shoulder replacement surgery, these evidence-based guides can help you prepare and recover:
Evidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
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 Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
Shoulder Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after shoulder replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full shoulder replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Frisella
How does Dr. Frisella's procedure volume compare to other Missouri surgeons?
Dr. Frisella has performed 30 Medicare-verified joint replacement procedures. The Missouri average is 59 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Frisella ranks #133 out of 204 orthopedic surgeons in Missouri.
What types of joint replacement does Dr. Frisella perform?
Dr. Frisella's reported Medicare volume is focused on shoulder replacement, with 30 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
How experienced is Dr. Frisella with shoulder replacement surgery?
Dr. Frisella ranks #20 in Missouri for shoulder replacement with 30 Medicare-verified procedures. This high ranking among 204 state surgeons indicates significant experience with this specific procedure.
Where is Dr. Frisella's practice located?
Dr. Frisella practices in Saint Peters, Missouri. The office is located at 112 Piper Hill Drive, Saint Peters, MO 63376. Patients in the surrounding area can consult Dr. Frisella for joint replacement evaluation.
What does the Medicare data for Dr. Frisella 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. Frisella's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 30 procedures shown here.
Has Dr. Frisella's procedure volume changed over time?
Yes. Dr. Frisella's Medicare-recorded volume has increased from 15 procedures in 2014 to 30 in the most recent data, a 100% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 32 procedures in 2023.
Which hospitals is Dr. Frisella affiliated with?
According to CMS facility affiliation data, Dr. Frisella is affiliated with Barnes-Jewish St Peters Hospital, St Lukes Hospital.
What are the quality ratings for hospitals where Dr. Frisella practices?
Barnes-Jewish St Peters Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); St Lukes 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.
Patient Resources & Verification
Research reviews, verify credentials, and check official quality data through these trusted sources:
Medicare Care Compare and NPI Registry are official U.S. government sources. Google reviews reflect user-submitted feedback. OrthoProcedures.com does not verify the accuracy of third-party review content.