Knee
Dr. Mary Ragsdale, M.D.
Dr. Mary Ragsdale is a board-certified orthopedic surgeon practicing in Ventura, California. A Medicare provider since 2009, Dr. Ragsdale has performed 16 Medicare-verified knee replacements, ranking #397 in California.
In California, Dr. Ragsdale performs below average in knee (16 vs 45 avg).
Dr. Ragsdale's Medicare data shows a focused knee replacement practice with 16 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.
Ventura is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Ventura area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Ragsdale extend back to 2018, covering 3 years of data. Over that period, recorded procedure volume increased from 12 to 16 in the most recent data, a 33% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Ragsdale's 16 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. Ragsdale Compares
Procedure volume compared to the California state average.
Contact & Location
Ventura, CA 93003
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Ragsdale's Medicare-recorded procedure volume has trended upward over 3 years, increasing 33% from 12 procedures in 2018 to 16 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.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
Home Safety: Creating Your Recovery SanctuaryRoom-by-room modifications, equipment recommendations, and fall-prevention strategies to prepare your home for a safe post-surgical recovery.
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.
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. Ragsdale
How does Dr. Ragsdale's procedure volume compare to other California surgeons?
Dr. Ragsdale has performed 16 Medicare-verified joint replacement procedures. The California average is 65 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Ragsdale ranks #504 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Ragsdale perform?
Dr. Ragsdale's reported Medicare volume is focused on knee replacement, with 16 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Ragsdale in Ventura?
Yes. There are 7 orthopedic surgeons in Ventura 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 California surgeons.
What does the Medicare data for Dr. Ragsdale 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. Ragsdale's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 16 procedures shown here.
Has Dr. Ragsdale's procedure volume changed over time?
Yes. Dr. Ragsdale's Medicare-recorded volume has increased from 12 procedures in 2018 to 16 in the most recent data, a 33% increase over 3 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 16 procedures in 2023.
Which hospitals is Dr. Ragsdale affiliated with?
According to CMS facility affiliation data, Dr. Ragsdale is affiliated with Ventura County Medical Center.
How does Dr. Ragsdale compare to other orthopedic surgeons in Ventura?
Among the 7 orthopedic surgeons in Ventura, Dr. Ragsdale ranks #7 by total Medicare procedure volume. The highest-volume surgeon in Ventura has 208 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Ragsdale practices?
Ventura County Medical Center (2 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 Ventura, California
Dr. Ragsdale's 16 Medicare procedures are below the Ventura average of 52. The table below compares verified procedure volumes for orthopedic surgeons practicing in Ventura.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jason Hofer | 208 | Hip, Knee |
| Dr. Thomas Golden | 52 | Hip, Knee |
| Dr. Stephan Sweet | 33 | Knee, Shoulder |
| Dr. John Burge | 25 | Knee |
| Dr. Robert Mazurek | 17 | Knee |
| Dr. Denise Stennette | 16 | Knee |
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.