Dr. Cynthia Kahlenberg
Dr. Cynthia Kahlenberg is a board-certified orthopedic surgeon practicing in New York, New York. A Medicare provider since 2015, Dr. Kahlenberg has performed 78 Medicare-verified hip replacements (#23 in New York) and 57 knee replacements, for a combined total of 135 procedures.
In New York, Dr. Kahlenberg performs above average in hip (78 vs 42 avg), above average in knee (57 vs 45 avg).
Dr. Kahlenberg's reported Medicare volume is split between hip replacements (78 cases) and knee replacements (57 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.
Dr. Kahlenberg first appears in the Medicare dataset in 2022. With 2 years of recorded data, the longitudinal trend is still developing.
Among 4,526 hip replacement surgeons tracked nationally, Dr. Kahlenberg's 78 verified procedures is more than 2x 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. Kahlenberg Compares
Procedure volume compared to the New York state average.
Contact & Location
New York, NY 10021
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Kahlenberg has 2 years of Medicare procedure data beginning in 2022. Additional years of data will provide a clearer picture of volume trends.
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.
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.
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. Kahlenberg
How does Dr. Kahlenberg's procedure volume compare to other New York surgeons?
Dr. Kahlenberg has performed 135 Medicare-verified joint replacement procedures. This is more than 2x the New York average of 67 procedures per surgeon. Dr. Kahlenberg ranks #51 out of 338 orthopedic surgeons in New York.
What types of joint replacement does Dr. Kahlenberg perform?
Dr. Kahlenberg's Medicare data shows procedures in hip replacement (78 cases) and knee replacement (57 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 135 procedures shown here.
Does Dr. Kahlenberg perform more than one type of joint replacement?
Yes. Dr. Kahlenberg's Medicare data shows procedures in hip replacement (78 cases), knee replacement (57 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 #22 by total Medicare procedure volume. The highest-volume surgeon in New York has 320 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 135 Medicare procedures are below the New York average of 236. The table below compares verified procedure volumes for orthopedic surgeons practicing in New York.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Amar Ranawat | 320 | Hip, Knee |
| Dr. Brian Chalmers | 255 | Hip, Knee |
| Dr. Jason Blevins | 239 | Hip, Knee |
| Dr. Alexander McLawhorn | 238 | Hip, Knee |
| Dr. Alberto Carli | 235 | Hip, Knee |
| Dr. Matthew Austin | 231 | Hip, Knee |
Patient Reviews & Ratings
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