Dr. David Marcu, M.D.
Contact & Location
Prairie Du Sac, WI 53578
Dr. David Marcu is a board-certified orthopedic surgeon practicing in Prairie Du Sac, Wisconsin. A Medicare provider since 2006, Dr. Marcu has completed 60 knee replacements (#22 in Wisconsin), 29 hip replacements, and 22 shoulder replacements, totaling 111 Medicare-verified procedures.
In Wisconsin, Dr. Marcu performs above average in knee (60 vs 36 avg), near average in hip (29 vs 29 avg), near average in shoulder (22 vs 25 avg).
Dr. Marcu performs all three major joint replacement procedures — hip, knee, and shoulder — indicating a broad scope of orthopedic practice. The largest share is knee replacements (60 cases), followed by hip replacements (29) and shoulder replacements (22).
Prairie Du Sac is home to 5 orthopedic surgeons in the current Medicare dataset. Patients in the Prairie Du Sac area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Marcu extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 32 to 111 in the most recent data, a 247% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Marcu's 60 verified procedures is above the national average of 45.
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. Marcu Compares
Procedure volume compared to the Wisconsin state average.
Volume Trend Analysis
Dr. Marcu's Medicare-recorded procedure volume has trended upward over 12 years, increasing 247% from 32 procedures in 2013 to 111 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.
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.
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 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. Marcu
How does Dr. Marcu's procedure volume compare to other Wisconsin surgeons?
Dr. Marcu has performed 111 Medicare-verified joint replacement procedures. This is more than 2x the Wisconsin average of 51 procedures per surgeon. Dr. Marcu ranks #15 out of 189 orthopedic surgeons in Wisconsin.
What types of joint replacement does Dr. Marcu perform?
Dr. Marcu performs all three major joint replacement procedures: knee replacement (60 cases), hip replacement (29 cases), shoulder replacement (22 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.
Are there other orthopedic surgeons near Dr. Marcu in Prairie Du Sac?
Yes. There are 5 orthopedic surgeons in Prairie Du Sac 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. Marcu 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. Marcu's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 111 procedures shown here.
Has Dr. Marcu's procedure volume changed over time?
Yes. Dr. Marcu's Medicare-recorded volume has increased from 32 procedures in 2013 to 111 in the most recent data, a 247% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 111 procedures in 2024.
Does Dr. Marcu perform more than one type of joint replacement?
Yes. Dr. Marcu's Medicare data shows procedures in knee replacement (60 cases), hip replacement (29 cases), shoulder replacement (22 cases). Performing all three major joint replacements places Dr. Marcu among the 5% of orthopedic surgeons nationally who cover hip, knee, and shoulder arthroplasty.
Which hospitals is Dr. Marcu affiliated with?
According to CMS facility affiliation data, Dr. Marcu is affiliated with Sauk Prairie Hospital, Richland Hospital, Reedsburg Area Medical Center, Ssm Health St Clare Hospital - Baraboo, University Of Wi Hospitals & Clinics Authority.
How does Dr. Marcu compare to other orthopedic surgeons in Prairie Du Sac?
Among the 5 orthopedic surgeons in Prairie Du Sac, Dr. Marcu ranks #3 by total Medicare procedure volume. Dr. Marcu is among the highest-volume surgeons in Prairie Du Sac.
What are the quality ratings for hospitals where Dr. Marcu practices?
Sauk Prairie Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Richland Hospital (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); Reedsburg Area Medical Center (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 Prairie Du Sac, Wisconsin
Dr. Marcu's 111 Medicare procedures are above the Prairie Du Sac average of 109. The table below compares verified procedure volumes for orthopedic surgeons practicing in Prairie Du Sac.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Michael Lamson | 153 | Hip, Knee |
| Dr. Matthew Hebert | 136 | Hip, Knee, Shoulder |
| Dr. Andrew Ertl | 79 | Knee |
| Dr. Benjamin Cooper | 64 | Hip, Knee, Shoulder |
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.