Dr. John Yu, M.D.

Orthopedic Surgery
11 procedures 1 hospital Port Jefferson, NY

Contact & Location

631-474-0008
Phone: 631-474-0008
Practice phone listed in the NPI registry
635 Belle Terre Rd
Port Jefferson, NY 11777
NPI: 1821258880
Credentials: M.D.
Active Medicare provider (NPI verified)
18 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Knee 11 vs 45 national avg (6,599 surgeons)

About Dr. Yu

Dr. John Yu is a board-certified orthopedic surgeon practicing in Port Jefferson, New York. A Medicare provider since 2008, Dr. Yu performed 11 Medicare-verified knee replacements in the latest annual CMS data, ranking #267 in New York.

In New York, Dr. Yu performs below the state average in knee (11 vs 47).

Dr. Yu's Medicare data shows a focused knee replacement practice with 11 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.

Port Jefferson is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Port Jefferson area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Yu's Medicare record spans 3 years from 2022 through 2024. Procedure volume has remained consistent during that period, ranging from 11 to 14 procedures per year, reflecting a steady joint replacement practice.

Dr. Yu's 11 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Knee Replacement
11 verified cases
#267 in New York
Estimated total: 30 – 30 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. Yu Compares

Procedure volume compared to the New York state average.

Knee Below Avg
11 Avg: 47
Dr. Yu New York Average

Volume Trend Analysis

Dr. Yu's procedure volume has been consistent across 3 years of Medicare data, ranging from 11 to 14 procedures per year. This stability suggests a well-established joint replacement practice.

Years of Data 3
2024 Volume 11
Peak Volume 14 (2023)
Trend Stable

Hospital Affiliations & Quality

H
John T Mather Memorial Hospital Of Port Jefferson
5/5
Port Jefferson, 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.

Patient Resources: Preparing for Knee Replacement

If you are considering knee replacement surgery, these evidence-based guides can help you prepare and recover:

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. Yu

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

Dr. Yu has performed 11 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. Yu ranks #330 out of 334 orthopedic surgeons in New York.

What types of joint replacement does Dr. Yu perform?

Dr. Yu's reported Medicare volume is focused on knee replacement, with 11 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Yu in Port Jefferson?

Yes. There are 3 orthopedic surgeons in Port Jefferson 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. Yu 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. Yu's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 11 procedures shown here.

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

Dr. Yu's procedure volume has been relatively stable over 3 years of Medicare data, ranging from 11 to 14 procedures per year between 2022 and 2024. Consistent volume over multiple years reflects a steady joint replacement practice.

Which hospitals is Dr. Yu affiliated with?

According to CMS facility affiliation data, Dr. Yu is affiliated with John T Mather Memorial Hospital Of Port Jefferson.

How does Dr. Yu compare to other orthopedic surgeons in Port Jefferson?

Among the 3 orthopedic surgeons in Port Jefferson, Dr. Yu ranks #3 by total Medicare procedure volume. Dr. Yu is among the highest-volume surgeons in Port Jefferson.

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

John T Mather Memorial Hospital Of Port Jefferson (5 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 Port Jefferson, New York

Dr. Yu's 11 Medicare procedures are below the Port Jefferson average of 90. The table below compares verified procedure volumes for orthopedic surgeons practicing in Port Jefferson.

SurgeonProceduresSpecialties
Dr. Brian McGinley 175 Hip, Knee
Dr. Michael Fracchia 84 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.

Cite This Data

APA: OrthoProcedures. (2026). Dr. John Yu, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ny/dr-john-yu-port-jefferson.html

Link: https://orthoprocedures.com/surgeons/ny/dr-john-yu-port-jefferson.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.