Dr. Gregory Klingenstein, M.D.

Orthopedic Surgery
119 procedures 3 hospitals Voorhees, NJ
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 609-267-9400
Practice phone listed in the NPI registry
200 Bowman Dr
Voorhees, NJ 08043
NPI: 1952517963
Credentials: M.D.
Active Medicare provider (NPI verified)
19 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 83 vs 36 avg (4,532 surgeons)
Knee 36 vs 45 avg (6,599 surgeons)

Dr. Gregory Klingenstein is a board-certified orthopedic surgeon practicing in Voorhees, New Jersey. A Medicare provider since 2007, Dr. Klingenstein has performed 83 Medicare-verified hip replacements (#16 in New Jersey) and 36 knee replacements, for a combined total of 119 procedures.

In New Jersey, Dr. Klingenstein performs above average in hip (83 vs 44 avg), below average in knee (36 vs 54 avg).

Dr. Klingenstein's reported Medicare volume is split between hip replacements (83 cases) and knee replacements (36 cases).

Voorhees is home to 6 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 12 years of data. Over that period, recorded procedure volume increased from 41 to 119 in the most recent data, a 190% increase. This sustained growth reflects an expanding joint replacement practice.

Among 4,532 hip replacement surgeons tracked nationally, Dr. Klingenstein's 83 verified procedures is more than 2x the national average of 36.

Verified Medicare Cases

Hip Replacement
83 verified cases
#16 in New Jersey
Knee Replacement
36 verified cases
#68 in New Jersey
Estimated total: 320 – 360 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
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.

Hip High
83 Avg: 44
Knee Below Avg
36 Avg: 54
Dr. Klingenstein New Jersey Average

Volume Trend Analysis

Dr. Klingenstein's Medicare-recorded procedure volume has trended upward over 12 years, increasing 190% from 41 procedures in 2013 to 119 in the most recent data.

Years of Data 12
2024 Volume 119
Peak Volume 121 (2023)
Trend Growing

Hospital Affiliations & Quality

H
West Jersey Hospital
3/5
Voorhees, NJ
Similar to national avg
H
Virtua Mount Holly Hospital
3/5
Mount Holly, NJ
Low case volume
H
Virtua Our Lady Of Lourdes Hospital
2/5
Camden, NJ

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:

Hip Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:

Week 1-2 Walking with assistive device (walker or cane). Gentle range-of-motion exercises begin. Most patients can manage basic self-care.
Week 3-6 Transition to walking independently. Resume driving short distances. Physical therapy focuses on strength and balance.
Week 7-12 Return to most daily activities and light exercise. Stair climbing improves. Many patients return to desk work.
Month 4-6 Full recovery for most patients. Resume recreational activities, golf, swimming, and low-impact exercise.

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 119 Medicare-verified joint replacement procedures. This is significantly above the New Jersey average of 72 procedures per surgeon. Dr. Klingenstein ranks #35 out of 184 orthopedic surgeons in New Jersey.

What types of joint replacement does Dr. Klingenstein perform?

Dr. Klingenstein's Medicare data shows procedures in hip replacement (83 cases) and knee replacement (36 cases).

How experienced is Dr. Klingenstein with hip replacement surgery?

Dr. Klingenstein ranks #16 in New Jersey for hip replacement with 83 Medicare-verified procedures. This high ranking among 184 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Klingenstein in Voorhees?

Yes. There are 6 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 119 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 119 in the most recent data, a 190% increase over 12 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 (83 cases), knee replacement (36 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 6 orthopedic surgeons in Voorhees, Dr. Klingenstein ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Voorhees has 208 verified Medicare procedures.

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 119 Medicare procedures are below the Voorhees average of 125. The table below compares verified procedure volumes for orthopedic surgeons practicing in Voorhees.

SurgeonProceduresSpecialties
Dr. Rajesh Jain 208 Hip, Knee
Dr. Scott Schoifet 158 Knee
Dr. Jeremy Reid 138 Hip, Knee
Dr. Manny Porat 104 Hip, Knee
Dr. Jack Shilling 23 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.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Gregory Klingenstein, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/nj/dr-gregory-klingenstein-voorhees.html

Link: https://orthoprocedures.com/surgeons/nj/dr-gregory-klingenstein-voorhees.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.