Dr. Ryland Kagan, MD
Contact & Location
Portland, OR 97239
Dr. Ryland Kagan is a board-certified orthopedic surgeon practicing in Portland, Oregon. A Medicare provider since 2012, Dr. Kagan has performed 38 Medicare-verified hip replacements (#23 in Oregon) and 33 knee replacements, for a combined total of 71 procedures.
In Oregon, Dr. Kagan performs near average in hip (38 vs 37 avg), below average in knee (33 vs 42 avg).
Dr. Kagan's reported Medicare volume is split between hip replacements (38 cases) and knee replacements (33 cases).
Portland is home to 18 orthopedic surgeons in the current Medicare dataset. Patients in the Portland area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Kagan extend back to 2018, covering 7 years of data. Over that period, recorded procedure volume increased from 49 to 71 in the most recent data, a 45% increase. This sustained growth reflects an expanding joint replacement practice.
Among 4,532 hip replacement surgeons tracked nationally, Dr. Kagan's 38 verified procedures is near the national average of 36.
Verified Case Volume Trends (2013-Current)
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. Kagan Compares
Procedure volume compared to the Oregon state average.
Volume Trend Analysis
Dr. Kagan's Medicare-recorded procedure volume has trended upward over 7 years, increasing 45% from 49 procedures in 2018 to 71 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 Hip Replacement
If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:
Understanding the progression from conservative treatments to surgical intervention, and how to determine when hip replacement becomes the right choice.
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.
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.
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.
Hip Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Kagan
How does Dr. Kagan's procedure volume compare to other Oregon surgeons?
Dr. Kagan has performed 71 Medicare-verified joint replacement procedures. This is in line with the Oregon average of 63 procedures per surgeon. Dr. Kagan ranks #35 out of 101 orthopedic surgeons in Oregon.
What types of joint replacement does Dr. Kagan perform?
Dr. Kagan's Medicare data shows procedures in hip replacement (38 cases) and knee replacement (33 cases).
Are there other orthopedic surgeons near Dr. Kagan in Portland?
Yes. There are 18 orthopedic surgeons in Portland 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. Kagan 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. Kagan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 71 procedures shown here.
Has Dr. Kagan's procedure volume changed over time?
Yes. Dr. Kagan's Medicare-recorded volume has increased from 49 procedures in 2018 to 71 in the most recent data, a 45% increase over 7 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 71 procedures in 2024.
Does Dr. Kagan perform more than one type of joint replacement?
Yes. Dr. Kagan's Medicare data shows procedures in hip replacement (38 cases), knee replacement (33 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Kagan affiliated with?
According to CMS facility affiliation data, Dr. Kagan is affiliated with Ohsu Hospital And Clinics, Adventist Health Portland, Adventist Health Columbia Gorge.
How does Dr. Kagan compare to other orthopedic surgeons in Portland?
Among the 18 orthopedic surgeons in Portland, Dr. Kagan ranks #8 by total Medicare procedure volume. The highest-volume surgeon in Portland has 138 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Kagan practices?
Ohsu Hospital And Clinics (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Adventist Health Portland (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); Adventist Health Columbia Gorge (3 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Portland, Oregon
Dr. Kagan's 71 Medicare procedures are below the Portland average of 102. The table below compares verified procedure volumes for orthopedic surgeons practicing in Portland.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Gustav Fischer | 138 | Hip, Knee |
| Dr. Alexander Dehaan | 137 | Hip, Knee |
| Dr. Andrew Bryan | 107 | Hip, Knee |
| Dr. Kathryn Schabel | 91 | Hip, Knee |
| Dr. Christopher Estes | 86 | Hip, Knee |
| Dr. Elizabeth Lieberman | 82 | Hip, Knee |
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.