Dr. Gregory Klingenstein, M.D.
Dr. Gregory Klingenstein is a board-certified orthopedic surgeon practicing in Voorhees, New Jersey. A Medicare provider since 2007, Dr. Klingenstein has performed 63 Medicare-verified hip replacements (#24 in New Jersey) and 58 knee replacements, for a combined total of 121 procedures.
In New Jersey, Dr. Klingenstein performs above average in hip (63 vs 42 avg), near average in knee (58 vs 53 avg).
Dr. Klingenstein's reported Medicare volume is split between hip replacements (63 cases) and knee replacements (58 cases).
Voorhees is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Voorhees area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Klingenstein extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 41 to 121 in the most recent data, a 195% increase. This sustained growth reflects an expanding joint replacement practice.
Among 4,526 hip replacement surgeons tracked nationally, Dr. Klingenstein's 63 verified procedures is above the national average of 36.
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. Klingenstein Compares
Procedure volume compared to the New Jersey state average.
Contact & Location
Voorhees, NJ 08043
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Klingenstein's Medicare-recorded procedure volume has trended upward over 11 years, increasing 195% from 41 procedures in 2013 to 121 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 Hip Replacement
If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:
Understanding the progression from conservative treatments to surgical intervention, and how to determine when hip replacement becomes the right choice.
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.
Hip Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Klingenstein
How does Dr. Klingenstein's procedure volume compare to other New Jersey surgeons?
Dr. Klingenstein has performed 121 Medicare-verified joint replacement procedures. This is significantly above the New Jersey average of 71 procedures per surgeon. Dr. Klingenstein ranks #32 out of 182 orthopedic surgeons in New Jersey.
What types of joint replacement does Dr. Klingenstein perform?
Dr. Klingenstein's Medicare data shows procedures in hip replacement (63 cases) and knee replacement (58 cases).
Are there other orthopedic surgeons near Dr. Klingenstein in Voorhees?
Yes. There are 7 orthopedic surgeons in Voorhees 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. Klingenstein 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. Klingenstein's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 121 procedures shown here.
Has Dr. Klingenstein's procedure volume changed over time?
Yes. Dr. Klingenstein's Medicare-recorded volume has increased from 41 procedures in 2013 to 121 in the most recent data, a 195% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 121 procedures in 2023.
Does Dr. Klingenstein perform more than one type of joint replacement?
Yes. Dr. Klingenstein's Medicare data shows procedures in hip replacement (63 cases), knee replacement (58 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Klingenstein affiliated with?
According to CMS facility affiliation data, Dr. Klingenstein is affiliated with West Jersey Hospital, Virtua Mount Holly Hospital, Virtua Our Lady Of Lourdes Hospital.
How does Dr. Klingenstein compare to other orthopedic surgeons in Voorhees?
Among the 7 orthopedic surgeons in Voorhees, Dr. Klingenstein ranks #3 by total Medicare procedure volume. Dr. Klingenstein is among the highest-volume surgeons in Voorhees.
What are the quality ratings for hospitals where Dr. Klingenstein practices?
West Jersey Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Virtua Mount Holly Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Virtua Our Lady Of Lourdes Hospital (2 out of 5 CMS stars). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Voorhees, New Jersey
Dr. Klingenstein's 121 Medicare procedures are above the Voorhees average of 114. The table below compares verified procedure volumes for orthopedic surgeons practicing in Voorhees.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Rajesh Jain | 208 | Hip, Knee |
| Dr. Scott Schoifet | 191 | Knee |
| Dr. Jeremy Reid | 118 | Hip, Knee |
| Dr. Manny Porat | 113 | Hip, Knee |
| Dr. Jack Shilling | 38 | Hip, Knee |
| Dr. Merrick Wetzler | 11 | Knee |
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