Dr. Seth Rosenzweig, MD
Dr. Seth Rosenzweig is a board-certified orthopedic surgeon practicing in New Iberia, Louisiana. A Medicare provider since 2007, Dr. Rosenzweig has performed 15 Medicare-verified knee replacements (#84 in Louisiana) and 13 hip replacements, for a combined total of 28 procedures.
In Louisiana, Dr. Rosenzweig performs below average in knee (15 vs 40 avg), below average in hip (13 vs 28 avg).
Dr. Rosenzweig's reported Medicare volume is split between knee replacements (15 cases) and hip replacements (13 cases).
Beyond general orthopedic surgery, Dr. Rosenzweig holds additional credentials in Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.
New Iberia is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the New Iberia area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Rosenzweig's Medicare data spans 11 years, beginning in 2013. Volume peaked at 55 procedures in 2017 before settling at 28 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Rosenzweig's 15 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. Rosenzweig Compares
Procedure volume compared to the Louisiana state average.
Contact & Location
New Iberia, LA 70563
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Rosenzweig's recorded volume peaked at 55 procedures in 2017 and stood at 28 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.
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.
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. Rosenzweig
How does Dr. Rosenzweig's procedure volume compare to other Louisiana surgeons?
Dr. Rosenzweig has performed 28 Medicare-verified joint replacement procedures. The Louisiana average is 51 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Rosenzweig ranks #73 out of 118 orthopedic surgeons in Louisiana.
What types of joint replacement does Dr. Rosenzweig perform?
Dr. Rosenzweig's Medicare data shows procedures in knee replacement (15 cases) and hip replacement (13 cases).
Are there other orthopedic surgeons near Dr. Rosenzweig in New Iberia?
Yes. There are 2 orthopedic surgeons in New Iberia 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 Louisiana surgeons.
What does the Medicare data for Dr. Rosenzweig 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. Rosenzweig's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 28 procedures shown here.
Has Dr. Rosenzweig's procedure volume changed over time?
Dr. Rosenzweig's Medicare-recorded volume peaked at 55 procedures in 2017 and was 28 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.
Does Dr. Rosenzweig perform more than one type of joint replacement?
Yes. Dr. Rosenzweig's Medicare data shows procedures in knee replacement (15 cases), hip replacement (13 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Rosenzweig affiliated with?
According to CMS facility affiliation data, Dr. Rosenzweig is affiliated with Iberia Medical Center, Abbeville General Hospital.
What are the quality ratings for hospitals where Dr. Rosenzweig practices?
Iberia Medical Center (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Abbeville General Hospital (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 New Iberia, Louisiana
Dr. Rosenzweig's 28 Medicare procedures are above the New Iberia average of 20. The table below compares verified procedure volumes for orthopedic surgeons practicing in New Iberia.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. William Cenac | 11 | Knee |
Patient Reviews & Ratings
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