Dr. Casey Lagan, M.D.
Dr. Casey Lagan is a board-certified orthopedic surgeon practicing in Wausau, Wisconsin. Dr. Lagan has performed 23 Medicare-verified knee replacements (#99 in Wisconsin) and 17 hip replacements, for a combined total of 40 procedures.
In Wisconsin, Dr. Lagan performs below average in knee (23 vs 37 avg), below average in hip (17 vs 29 avg).
Dr. Lagan's reported Medicare volume is split between knee replacements (23 cases) and hip replacements (17 cases).
Wausau is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Wausau area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Lagan extend back to 2016, covering 7 years of data. Over that period, recorded procedure volume increased from 11 to 40 in the most recent data, a 264% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Lagan's 23 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. Lagan Compares
Procedure volume compared to the Wisconsin state average.
Contact & Location
Wausau, WI 54401
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Lagan's Medicare-recorded procedure volume has trended upward over 7 years, increasing 264% from 11 procedures in 2016 to 40 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.
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. Lagan
How does Dr. Lagan's procedure volume compare to other Wisconsin surgeons?
Dr. Lagan has performed 40 Medicare-verified joint replacement procedures. The Wisconsin average is 52 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Lagan ranks #97 out of 185 orthopedic surgeons in Wisconsin.
What types of joint replacement does Dr. Lagan perform?
Dr. Lagan's Medicare data shows procedures in knee replacement (23 cases) and hip replacement (17 cases).
Are there other orthopedic surgeons near Dr. Lagan in Wausau?
Yes. There are 7 orthopedic surgeons in Wausau 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 Wisconsin surgeons.
What does the Medicare data for Dr. Lagan 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. Lagan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 40 procedures shown here.
Has Dr. Lagan's procedure volume changed over time?
Yes. Dr. Lagan's Medicare-recorded volume has increased from 11 procedures in 2016 to 40 in the most recent data, a 264% increase over 7 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 40 procedures in 2023.
Does Dr. Lagan perform more than one type of joint replacement?
Yes. Dr. Lagan's Medicare data shows procedures in knee replacement (23 cases), hip replacement (17 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Lagan affiliated with?
According to CMS facility affiliation data, Dr. Lagan is affiliated with Aspirus Wausau Hospital, Aspirus Medford Hospital & Clinics, Inc, Howard Young Medical Ctr.
How does Dr. Lagan compare to other orthopedic surgeons in Wausau?
Among the 7 orthopedic surgeons in Wausau, Dr. Lagan ranks #5 by total Medicare procedure volume. The highest-volume surgeon in Wausau has 80 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Lagan practices?
Aspirus Wausau Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Howard Young Medical Ctr (4 out of 5 CMS stars). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Wausau, Wisconsin
Dr. Lagan's 40 Medicare procedures are below the Wausau average of 47. The table below compares verified procedure volumes for orthopedic surgeons practicing in Wausau.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Eric Thiel | 80 | Hip, Knee, Shoulder |
| Dr. Douglas Keele | 63 | Hip, Knee |
| Dr. Jeremy Russell | 54 | Hip, Knee |
| Dr. Faruk Abuzzahab | 47 | Hip, Knee |
| Dr. Jeffrey Martin | 27 | Knee |
| Dr. James Sutherland | 19 | Hip |
Patient Reviews & Ratings
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