Dr. Gregg Klein, MD
Dr. Gregg Klein is a board-certified orthopedic surgeon practicing in Paramus, New Jersey. A Medicare provider since 2005, Dr. Klein has performed 133 Medicare-verified knee replacements (#13 in New Jersey) and 118 hip replacements, for a combined total of 251 procedures.
In New Jersey, Dr. Klein performs well above average in knee (133 vs 53 avg), well above average in hip (118 vs 42 avg).
Dr. Klein's reported Medicare volume is split between knee replacements (133 cases) and hip replacements (118 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. Klein extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 198 to 251 in the most recent data, a 27% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Klein's 133 verified procedures is more than 2x 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. Klein 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. Klein's Medicare-recorded procedure volume has trended upward over 11 years, increasing 27% from 198 procedures in 2013 to 251 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.
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.
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. Klein
How does Dr. Klein's procedure volume compare to other New Jersey surgeons?
Dr. Klein has performed 251 Medicare-verified joint replacement procedures. This is more than 3x the New Jersey average of 71 procedures per surgeon. Dr. Klein ranks #9 out of 182 orthopedic surgeons in New Jersey.
What types of joint replacement does Dr. Klein perform?
Dr. Klein's Medicare data shows procedures in knee replacement (133 cases) and hip replacement (118 cases).
How experienced is Dr. Klein with knee replacement surgery?
Dr. Klein ranks #13 in New Jersey for knee replacement with 133 Medicare-verified procedures. This high ranking among 182 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Klein 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. Klein 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. Klein's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 251 procedures shown here.
Has Dr. Klein's procedure volume changed over time?
Yes. Dr. Klein's Medicare-recorded volume has increased from 198 procedures in 2013 to 251 in the most recent data, a 27% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 261 procedures in 2016.
Does Dr. Klein perform more than one type of joint replacement?
Yes. Dr. Klein's Medicare data shows procedures in knee replacement (133 cases), hip replacement (118 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Klein affiliated with?
According to CMS facility affiliation data, Dr. Klein is affiliated with Hackensack University Medical Center, St Joseph'S University Medical Center Inc, Holy Name Medical Center.
How does Dr. Klein compare to other orthopedic surgeons in Paramus?
Among the 6 orthopedic surgeons in Paramus, Dr. Klein ranks #1 by total Medicare procedure volume. Dr. Klein has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. Klein practices?
Hackensack University Medical Center (5 out of 5 CMS stars, hip/knee complication rate similar to national average); St Joseph'S University Medical Center Inc (3 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. Klein's 251 Medicare procedures are above the Paramus average of 98. The table below compares verified procedure volumes for orthopedic surgeons practicing in Paramus.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Michael Ast | 162 | Hip, Knee |
| Dr. Ari Seidenstein | 91 | Hip, Knee |
| Dr. Stephen McIlveen | 37 | Hip, Knee |
| Dr. Michael Distefano | 28 | Hip, Knee |
| Dr. Rocco Bassora | 19 | Shoulder |
Patient Reviews & Ratings
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