Dr. Cynthia Kahlenberg
Contact & Location
New York, NY 10021
Dr. Cynthia Kahlenberg is a board-certified orthopedic surgeon practicing in New York, New York. A Medicare provider since 2015, Dr. Kahlenberg has performed 110 Medicare-verified knee replacements (#26 in New York) and 107 hip replacements, for a combined total of 217 procedures.
In New York, Dr. Kahlenberg performs well above average in knee (110 vs 47 avg), well above average in hip (107 vs 42 avg).
Dr. Kahlenberg's reported Medicare volume is split between knee replacements (110 cases) and hip replacements (107 cases).
New York is home to 84 orthopedic surgeons in the current Medicare dataset. Patients in the New York area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs. Dr. Kahlenberg also maintains hospital privileges in NY and CT, indicating a regional practice that extends beyond New York.
Medicare records for Dr. Kahlenberg extend back to 2022, covering 3 years of data. Over that period, recorded procedure volume increased from 13 to 217 in the most recent data, a 1569% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Kahlenberg's 110 verified procedures is more than 2x the national average of 45.
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. Kahlenberg Compares
Procedure volume compared to the New York state average.
Volume Trend Analysis
Dr. Kahlenberg's Medicare-recorded procedure volume has trended upward over 3 years, increasing 1569% from 13 procedures in 2022 to 217 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.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
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. Kahlenberg
How does Dr. Kahlenberg's procedure volume compare to other New York surgeons?
Dr. Kahlenberg has performed 217 Medicare-verified joint replacement procedures. This is more than 3x the New York average of 69 procedures per surgeon. Dr. Kahlenberg ranks #16 out of 334 orthopedic surgeons in New York.
What types of joint replacement does Dr. Kahlenberg perform?
Dr. Kahlenberg's Medicare data shows procedures in knee replacement (110 cases) and hip replacement (107 cases).
Are there other orthopedic surgeons near Dr. Kahlenberg in New York?
Yes. There are 84 orthopedic surgeons in New York 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 York surgeons.
What does the Medicare data for Dr. Kahlenberg 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. Kahlenberg's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 217 procedures shown here.
Has Dr. Kahlenberg's procedure volume changed over time?
Yes. Dr. Kahlenberg's Medicare-recorded volume has increased from 13 procedures in 2022 to 217 in the most recent data, a 1569% increase over 3 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 217 procedures in 2024.
Does Dr. Kahlenberg perform more than one type of joint replacement?
Yes. Dr. Kahlenberg's Medicare data shows procedures in knee replacement (110 cases), hip replacement (107 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Kahlenberg affiliated with?
According to CMS facility affiliation data, Dr. Kahlenberg is affiliated with Hospital For Special Surgery, Stamford Hospital. Dr. Kahlenberg maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
How does Dr. Kahlenberg compare to other orthopedic surgeons in New York?
Among the 84 orthopedic surgeons in New York, Dr. Kahlenberg ranks #8 by total Medicare procedure volume. The highest-volume surgeon in New York has 343 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Kahlenberg practices?
Hospital For Special Surgery (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Stamford Hospital (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 New York, New York
Dr. Kahlenberg's 217 Medicare procedures are below the New York average of 290. The table below compares verified procedure volumes for orthopedic surgeons practicing in New York.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Brian Chalmers | 343 | Hip, Knee |
| Dr. Jason Blevins | 322 | Hip, Knee |
| Dr. Eytan Debbi | 322 | Hip, Knee |
| Dr. Amar Ranawat | 318 | Hip, Knee |
| Dr. Geoffrey Westrich | 276 | Hip, Knee |
| Dr. Elizabeth Gausden | 229 | 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.