Dr. Ari Seidenstein, M.D.
Dr. Ari Seidenstein is a board-certified orthopedic surgeon practicing in Paramus, New Jersey. A Medicare provider since 2009, Dr. Seidenstein has performed 55 Medicare-verified knee replacements (#52 in New Jersey) and 36 hip replacements, for a combined total of 91 procedures.
In New Jersey, Dr. Seidenstein performs near average in knee (55 vs 53 avg), near average in hip (36 vs 42 avg).
Dr. Seidenstein's reported Medicare volume is split between knee replacements (55 cases) and hip replacements (36 cases).
Paramus is home to 6 orthopedic surgeons in the current Medicare dataset. Patients in the Paramus area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Seidenstein extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 44 to 91 in the most recent data, a 107% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Seidenstein's 55 verified procedures is above the national average of 45.
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. Seidenstein Compares
Procedure volume compared to the New Jersey state average.
Contact & Location
Paramus, NJ 07652
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Seidenstein's Medicare-recorded procedure volume has trended upward over 11 years, increasing 107% from 44 procedures in 2013 to 91 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.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
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.
Medicare Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
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. Seidenstein
How does Dr. Seidenstein's procedure volume compare to other New Jersey surgeons?
Dr. Seidenstein has performed 91 Medicare-verified joint replacement procedures. This is in line with the New Jersey average of 71 procedures per surgeon. Dr. Seidenstein ranks #48 out of 182 orthopedic surgeons in New Jersey.
What types of joint replacement does Dr. Seidenstein perform?
Dr. Seidenstein's Medicare data shows procedures in knee replacement (55 cases) and hip replacement (36 cases).
Are there other orthopedic surgeons near Dr. Seidenstein in Paramus?
Yes. There are 6 orthopedic surgeons in Paramus 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. Seidenstein 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. Seidenstein's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 91 procedures shown here.
Has Dr. Seidenstein's procedure volume changed over time?
Yes. Dr. Seidenstein's Medicare-recorded volume has increased from 44 procedures in 2013 to 91 in the most recent data, a 107% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 92 procedures in 2018.
Does Dr. Seidenstein perform more than one type of joint replacement?
Yes. Dr. Seidenstein's Medicare data shows procedures in knee replacement (55 cases), hip replacement (36 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Seidenstein affiliated with?
According to CMS facility affiliation data, Dr. Seidenstein is affiliated with Hackensack University Medical Center, Holy Name Medical Center.
How does Dr. Seidenstein compare to other orthopedic surgeons in Paramus?
Among the 6 orthopedic surgeons in Paramus, Dr. Seidenstein ranks #3 by total Medicare procedure volume. Dr. Seidenstein is among the highest-volume surgeons in Paramus.
What are the quality ratings for hospitals where Dr. Seidenstein practices?
Hackensack University Medical Center (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Holy Name Medical Center (4 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 Paramus, New Jersey
Dr. Seidenstein's 91 Medicare procedures are below the Paramus average of 98. The table below compares verified procedure volumes for orthopedic surgeons practicing in Paramus.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Gregg Klein | 251 | Hip, Knee |
| Dr. Michael Ast | 162 | Hip, Knee |
| Dr. Stephen McIlveen | 37 | Hip, Knee |
| Dr. Michael Distefano | 28 | Hip, Knee |
| Dr. Rocco Bassora | 19 | Shoulder |
Patient Reviews & Ratings
OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:
These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.