Dr. Peter Lementowski, MD
Contact & Location
914-789-2700
Valhalla, NY 10595
About Dr. Lementowski
Dr. Peter Lementowski is a board-certified orthopedic surgeon practicing in Valhalla, New York. A Medicare provider since 2006, Dr. Lementowski performed 14 Medicare-verified hip replacements in the latest annual CMS data, ranking #183 in New York.
In New York, Dr. Lementowski performs below the state average in hip (14 vs 42).
Dr. Lementowski's Medicare data shows a focused hip replacement practice with 14 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
Beyond general orthopedic surgery, Dr. Lementowski holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.
Valhalla is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the Valhalla area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Lementowski's Medicare data spans 9 years, beginning in 2013. Volume peaked at 38 procedures in 2018 before settling at 14 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Lementowski's 14 hip replacement procedures is below the national average of 36 among 4,532 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 11 | 13 |
| 2014 | 0 | 14 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 16 | 16 |
| 2018 | 12 | 26 |
| 2019 | 0 | 0 |
| 2020 | 13 | 0 |
| 2021 | 14 | 0 |
| 2022 | 12 | 0 |
| 2023 | 0 | 15 |
| 2024 | 14 | 0 |
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. Lementowski Compares
Procedure volume compared to the New York state average.
Volume Trend Analysis
Dr. Lementowski's recorded volume peaked at 38 procedures in 2018 and stood at 14 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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.
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.
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. Lementowski
How does Dr. Lementowski's procedure volume compare to other New York surgeons?
Dr. Lementowski has performed 14 Medicare-verified joint replacement procedures. The New York average is 69 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Lementowski ranks #299 out of 334 orthopedic surgeons in New York.
What types of joint replacement does Dr. Lementowski perform?
Dr. Lementowski's reported Medicare volume is focused on hip replacement, with 14 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Lementowski in Valhalla?
Yes. There are 2 orthopedic surgeons in Valhalla 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. Lementowski 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. Lementowski's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 14 procedures shown here.
Has Dr. Lementowski's procedure volume changed over time?
Dr. Lementowski's Medicare-recorded volume peaked at 38 procedures in 2018 and was 14 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.
Which hospitals is Dr. Lementowski affiliated with?
According to CMS facility affiliation data, Dr. Lementowski is affiliated with Westchester Medical Center.
What are the quality ratings for hospitals where Dr. Lementowski practices?
Westchester Medical Center (1 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 Valhalla, New York
Dr. Lementowski's 14 Medicare procedures are at the Valhalla average of 14. The table below compares verified procedure volumes for orthopedic surgeons practicing in Valhalla.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Kyle Fink | 13 | Shoulder |
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.