Dr. Jonathan Mallen, MD

Orthopedic Surgery
17 procedures 3 hospitals Rockville Centre, NY
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

36 Lincoln Ave
Rockville Centre, NY 11570
NPI: 1588663140
Credentials: MD
Active Medicare provider
Find Practice on Google Maps
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety, all under $50
National Comparison by Procedure
Knee 17 vs 45 avg (6,599 surgeons)

Dr. Jonathan Mallen is a board-certified orthopedic surgeon practicing in Rockville Centre, New York. Dr. Mallen has performed 17 Medicare-verified knee replacements, ranking #218 in New York.

In New York, Dr. Mallen performs below average in knee (17 vs 47 avg).

Dr. Mallen's Medicare data shows a focused knee replacement practice with 17 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.

Rockville Centre is home to 5 orthopedic surgeons in the current Medicare dataset. Patients in the Rockville Centre area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Mallen extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 12 to 17 in the most recent data, a 42% increase. This sustained growth reflects an expanding joint replacement practice.

Dr. Mallen's 17 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
17 verified cases
#218 in New York
Estimated total: 50 – 50 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. Mallen Compares

Procedure volume compared to the New York state average.

Knee Below Avg
17 Avg: 47
Dr. Mallen New York Average

Volume Trend Analysis

Dr. Mallen's Medicare-recorded procedure volume has trended upward over 11 years, increasing 42% from 12 procedures in 2013 to 17 in the most recent data.

Years of Data 11
2024 Volume 17
Peak Volume 27 (2018)
Trend Growing

Hospital Affiliations & Quality

H
Plainview Hospital
4/5
Plainview, NY
Similar to national avg
H
North Shore University Hospital
4/5
Manhasset, NY
Similar to national avg
H
Mount Sinai South Nassau
3/5
Oceanside, 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. Mallen

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

Dr. Mallen has performed 17 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. Mallen ranks #279 out of 334 orthopedic surgeons in New York.

What types of joint replacement does Dr. Mallen perform?

Dr. Mallen's reported Medicare volume is focused on knee replacement, with 17 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Mallen in Rockville Centre?

Yes. There are 5 orthopedic surgeons in Rockville Centre 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. Mallen 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. Mallen's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 17 procedures shown here.

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

Yes. Dr. Mallen's Medicare-recorded volume has increased from 12 procedures in 2013 to 17 in the most recent data, a 42% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 27 procedures in 2018.

Which hospitals is Dr. Mallen affiliated with?

According to CMS facility affiliation data, Dr. Mallen is affiliated with Plainview Hospital, North Shore University Hospital, Mount Sinai South Nassau.

How does Dr. Mallen compare to other orthopedic surgeons in Rockville Centre?

Among the 5 orthopedic surgeons in Rockville Centre, Dr. Mallen ranks #5 by total Medicare procedure volume. The highest-volume surgeon in Rockville Centre has 185 verified Medicare procedures.

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

Plainview Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); North Shore University Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Mount Sinai South Nassau (3 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 Rockville Centre, New York

Dr. Mallen's 17 Medicare procedures are below the Rockville Centre average of 90. The table below compares verified procedure volumes for orthopedic surgeons practicing in Rockville Centre.

SurgeonProceduresSpecialties
Dr. James Germano 185 Hip, Knee
Dr. Bradley Gerber 160 Hip, Knee
Dr. Jan Koenig 65 Knee
Dr. Craig Levitz 22 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. Jonathan Mallen, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ny/dr-jonathan-mallen-rockville-centre.html

Link: https://orthoprocedures.com/surgeons/ny/dr-jonathan-mallen-rockville-centre.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.