#101 Hip
#107 Knee

Dr. Stanley Asnis, MD

Orthopedic Surgery
68 procedures 1 hospital Great Neck, NY
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 31 vs 36 avg (4,526 surgeons)
Knee 37 vs 45 avg (6,720 surgeons)

Dr. Stanley Asnis is a board-certified orthopedic surgeon practicing in Great Neck, New York. A Medicare provider since 2006, Dr. Asnis has performed 37 Medicare-verified knee replacements (#107 in New York) and 31 hip replacements, for a combined total of 68 procedures.

In New York, Dr. Asnis performs near average in knee (37 vs 45 avg), below average in hip (31 vs 42 avg).

Dr. Asnis's reported Medicare volume is split between knee replacements (37 cases) and hip replacements (31 cases).

Great Neck is home to 16 orthopedic surgeons in the current Medicare dataset. Patients in the Great Neck area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Asnis's Medicare data spans 11 years, beginning in 2013. Volume peaked at 153 procedures in 2013 before settling at 68 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Asnis's 37 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
37 verified cases
#107 in New York
Hip Replacement
31 verified cases
#101 in New York
Estimated total: 180 – 210 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. Asnis Compares

Procedure volume compared to the New York state average.

Hip Below Avg
31 Avg: 42
Knee Average
37 Avg: 45
Dr. Asnis New York Average

Contact & Location

Phone: 516-723-2663
611 Northern Blvd
Great Neck, NY 11021
NPI: 1760439350
Credentials: MD
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Asnis's recorded volume peaked at 153 procedures in 2013 and stood at 68 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 11
2023 Volume 68
Peak Volume 153 (2013)
Trend Declining

Hospital Affiliations & Quality

H
North Shore University Hospital
★★★★☆
Manhasset, NY
Similar to national avg

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.

Knee Replacement Recovery Overview

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

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

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. Asnis

How does Dr. Asnis's procedure volume compare to other New York surgeons?

Dr. Asnis has performed 68 Medicare-verified joint replacement procedures. This is in line with the New York average of 67 procedures per surgeon. Dr. Asnis ranks #110 out of 338 orthopedic surgeons in New York.

What types of joint replacement does Dr. Asnis perform?

Dr. Asnis's Medicare data shows procedures in knee replacement (37 cases) and hip replacement (31 cases).

Are there other orthopedic surgeons near Dr. Asnis in Great Neck?

Yes. There are 16 orthopedic surgeons in Great Neck 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. Asnis 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. Asnis's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 68 procedures shown here.

Has Dr. Asnis's procedure volume changed over time?

Dr. Asnis's Medicare-recorded volume peaked at 153 procedures in 2013 and was 68 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.

Does Dr. Asnis perform more than one type of joint replacement?

Yes. Dr. Asnis's Medicare data shows procedures in knee replacement (37 cases), hip replacement (31 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Asnis affiliated with?

According to CMS facility affiliation data, Dr. Asnis is affiliated with North Shore University Hospital.

How does Dr. Asnis compare to other orthopedic surgeons in Great Neck?

Among the 16 orthopedic surgeons in Great Neck, Dr. Asnis ranks #5 by total Medicare procedure volume. The highest-volume surgeon in Great Neck has 223 verified Medicare procedures.

What are the quality ratings for hospitals where Dr. Asnis practices?

North Shore University 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 Great Neck, New York

Dr. Asnis's 68 Medicare procedures are below the Great Neck average of 108. The table below compares verified procedure volumes for orthopedic surgeons practicing in Great Neck.

SurgeonProceduresSpecialties
Dr. Jonathan Danoff 223 Hip, Knee
Dr. Bruce Seideman 152 Hip, Knee
Dr. Kevin Cassidy 130 Hip, Knee
Dr. Scott Marwin 74 Hip, Knee
Dr. Paul Enker 60 Hip, Knee
Dr. Barry Simonson 48 Knee

Patient Reviews & Ratings

OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:

These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Stanley Asnis, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ny/dr-stanley-asnis-great-neck.html

Link: https://orthoprocedures.com/surgeons/ny/dr-stanley-asnis-great-neck.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.