Dr. Rocco Simmerano, M.D.
Contact & Location
Denville, NJ 07834
Dr. Rocco Simmerano is a board-certified orthopedic surgeon practicing in Denville, New Jersey. A Medicare provider since 2006, Dr. Simmerano has performed 23 Medicare-verified knee replacements, ranking #91 in New Jersey.
In New Jersey, Dr. Simmerano performs below average in knee (23 vs 54 avg).
Dr. Simmerano's Medicare data shows a focused knee replacement practice with 23 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
Denville is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the Denville area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Simmerano extend back to 2015, covering 4 years of data. Over that period, recorded procedure volume increased from 18 to 23 in the most recent data, a 28% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Simmerano's 23 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. Simmerano Compares
Procedure volume compared to the New Jersey state average.
Volume Trend Analysis
Dr. Simmerano's Medicare-recorded procedure volume has trended upward over 4 years, increasing 28% from 18 procedures in 2015 to 23 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. Simmerano
How does Dr. Simmerano's procedure volume compare to other New Jersey surgeons?
Dr. Simmerano has performed 23 Medicare-verified joint replacement procedures. The New Jersey average is 72 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Simmerano ranks #132 out of 184 orthopedic surgeons in New Jersey.
What types of joint replacement does Dr. Simmerano perform?
Dr. Simmerano's reported Medicare volume is focused on knee replacement, with 23 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Simmerano in Denville?
Yes. There are 2 orthopedic surgeons in Denville 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 New Jersey surgeons.
What does the Medicare data for Dr. Simmerano 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. Simmerano's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 23 procedures shown here.
Has Dr. Simmerano's procedure volume changed over time?
Yes. Dr. Simmerano's Medicare-recorded volume has increased from 18 procedures in 2015 to 23 in the most recent data, a 28% increase over 4 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 23 procedures in 2024.
Which hospitals is Dr. Simmerano affiliated with?
According to CMS facility affiliation data, Dr. Simmerano is affiliated with Saint Clare'S Hospital, Morristown Medical Center.
What are the quality ratings for hospitals where Dr. Simmerano practices?
Saint Clare'S Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Morristown Medical Center (5 out of 5 CMS stars, hip/knee complication rate similar to national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Denville, New Jersey
Dr. Simmerano's 23 Medicare procedures are below the Denville average of 30. The table below compares verified procedure volumes for orthopedic surgeons practicing in Denville.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Frank Capecci | 37 | 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.