Knee
Dr. Jonathan Evans, D.O.
Dr. Jonathan Evans is a board-certified orthopedic surgeon practicing in Corvallis, Oregon. Dr. Evans has performed 18 Medicare-verified knee replacements, ranking #65 in Oregon.
In Oregon, Dr. Evans performs below average in knee (18 vs 38 avg).
Dr. Evans's Medicare data shows a focused knee replacement practice with 18 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.
Corvallis is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Corvallis area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Evans's Medicare data spans 8 years, beginning in 2016. Volume peaked at 39 procedures in 2018 before settling at 18 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Evans's 18 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. Evans Compares
Procedure volume compared to the Oregon state average.
Contact & Location
Corvallis, OR 97330
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Evans's recorded volume peaked at 39 procedures in 2018 and stood at 18 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.
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.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
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. Evans
How does Dr. Evans's procedure volume compare to other Oregon surgeons?
Dr. Evans has performed 18 Medicare-verified joint replacement procedures. The Oregon average is 57 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Evans ranks #86 out of 106 orthopedic surgeons in Oregon.
What types of joint replacement does Dr. Evans perform?
Dr. Evans's reported Medicare volume is focused on knee replacement, with 18 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Evans in Corvallis?
Yes. There are 4 orthopedic surgeons in Corvallis 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 Oregon surgeons.
What does the Medicare data for Dr. Evans 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. Evans's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 18 procedures shown here.
Has Dr. Evans's procedure volume changed over time?
Dr. Evans's Medicare-recorded volume peaked at 39 procedures in 2018 and was 18 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. Evans affiliated with?
According to CMS facility affiliation data, Dr. Evans is affiliated with Good Samaritan Regional Medical Center.
How does Dr. Evans compare to other orthopedic surgeons in Corvallis?
Among the 4 orthopedic surgeons in Corvallis, Dr. Evans ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Corvallis has 73 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Evans practices?
Good Samaritan Regional Medical Center (3 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 Corvallis, Oregon
Dr. Evans's 18 Medicare procedures are below the Corvallis average of 36. The table below compares verified procedure volumes for orthopedic surgeons practicing in Corvallis.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Richard Stanley | 73 | Hip, Knee, Shoulder |
| Dr. Nicholas Tedesco | 27 | Hip, Knee |
| Dr. Cay Mierisch | 26 | Shoulder |
Patient Reviews & Ratings
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