Dr. Roger Gregush, DO
Contact & Location
Wausau, WI 54401
Dr. Roger Gregush is a board-certified orthopedic surgeon practicing in Wausau, Wisconsin. Dr. Gregush has performed 31 Medicare-verified knee replacements (#70 in Wisconsin) and 30 hip replacements, for a combined total of 61 procedures.
In Wisconsin, Dr. Gregush performs near average in knee (31 vs 36 avg), near average in hip (30 vs 29 avg).
Dr. Gregush's reported Medicare volume is split between knee replacements (31 cases) and hip replacements (30 cases).
Wausau is home to 9 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. Dr. Gregush also maintains hospital privileges in FL and WI, indicating a regional practice that extends beyond Wisconsin.
Dr. Gregush first appears in the Medicare dataset in 2024. With 1 year of recorded data, the longitudinal trend is still developing.
Dr. Gregush's 31 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
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. Gregush Compares
Procedure volume compared to the Wisconsin state average.
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.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
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 Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
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. Gregush
How does Dr. Gregush's procedure volume compare to other Wisconsin surgeons?
Dr. Gregush has performed 61 Medicare-verified joint replacement procedures. This is in line with the Wisconsin average of 51 procedures per surgeon. Dr. Gregush ranks #55 out of 189 orthopedic surgeons in Wisconsin.
What types of joint replacement does Dr. Gregush perform?
Dr. Gregush's Medicare data shows procedures in knee replacement (31 cases) and hip replacement (30 cases).
Are there other orthopedic surgeons near Dr. Gregush in Wausau?
Yes. There are 9 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. Gregush 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. Gregush's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 61 procedures shown here.
Does Dr. Gregush perform more than one type of joint replacement?
Yes. Dr. Gregush's Medicare data shows procedures in knee replacement (31 cases), hip replacement (30 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Gregush affiliated with?
According to CMS facility affiliation data, Dr. Gregush is affiliated with Ascension Sacred Heart Bay, Aspirus Wausau Hospital, Aspirus Rhinelander Hospital, Marshfield Medical Center - Weston, Howard Young Medical Ctr. Dr. Gregush maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
How does Dr. Gregush compare to other orthopedic surgeons in Wausau?
Among the 9 orthopedic surgeons in Wausau, Dr. Gregush ranks #2 by total Medicare procedure volume. Dr. Gregush is among the highest-volume surgeons in Wausau.
What are the quality ratings for hospitals where Dr. Gregush practices?
Ascension Sacred Heart Bay (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Aspirus Wausau Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Aspirus Rhinelander Hospital (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 Wausau, Wisconsin
Dr. Gregush's 61 Medicare procedures are above the Wausau average of 53. The table below compares verified procedure volumes for orthopedic surgeons practicing in Wausau.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Douglas Keele | 74 | Hip, Knee |
| Dr. Jeremy Russell | 60 | Hip, Knee |
| Dr. Eric Thiel | 59 | Hip, Knee |
| Dr. Casey Lagan | 47 | Hip, Knee, Shoulder |
| Dr. James Sutherland | 40 | Hip, Knee |
| Dr. Faruk Abuzzahab | 32 | 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.