#106 in New Jersey
Knee

Dr. Mark Dunleavy, MD

Orthopedic Surgery
18 procedures 3 hospitals Princeton, NJ
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Knee 18 vs 45 avg (6,720 surgeons)

Dr. Mark Dunleavy is a board-certified orthopedic surgeon practicing in Princeton, New Jersey. A Medicare provider since 2018, Dr. Dunleavy has performed 18 Medicare-verified knee replacements, ranking #106 in New Jersey.

In New Jersey, Dr. Dunleavy performs below average in knee (18 vs 53 avg).

Dr. Dunleavy's Medicare data shows a focused knee replacement practice with 18 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.

Princeton is home to 13 orthopedic surgeons in the current Medicare dataset. Patients in the Princeton area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Dunleavy first appears in the Medicare dataset in 2023. With 1 year of recorded data, the longitudinal trend is still developing.

Dr. Dunleavy's 18 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Knee Replacement
18 verified cases
#106 in New Jersey
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. Dunleavy Compares

Procedure volume compared to the New Jersey state average.

Knee Below Avg
18 Avg: 53
Dr. Dunleavy New Jersey Average

Contact & Location

Phone: 609-924-8131
325 Princeton Ave
Princeton, NJ 08540
NPI: 1689165318
Credentials: MD
Active Medicare provider (NPI verified)
8 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Hospital Affiliations & Quality

H
Penn Medicine Princeton Medical Center
★★★☆☆
Plainsboro, NJ
Similar to national avg
H
Capital Health Medical Center - Hopewell
★★★☆☆
Pennington, NJ
Similar to national avg
H
Robert Wood Johnson University Hospital Somerset
★★★☆☆
Somerville, NJ
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. Dunleavy

How does Dr. Dunleavy's procedure volume compare to other New Jersey surgeons?

Dr. Dunleavy has performed 18 Medicare-verified joint replacement procedures. The New Jersey average is 71 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Dunleavy ranks #139 out of 182 orthopedic surgeons in New Jersey.

What types of joint replacement does Dr. Dunleavy perform?

Dr. Dunleavy's reported Medicare volume is focused on knee replacement, with 18 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Dunleavy in Princeton?

Yes. There are 13 orthopedic surgeons in Princeton 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 Jersey surgeons.

What does the Medicare data for Dr. Dunleavy 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. Dunleavy's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 18 procedures shown here.

Which hospitals is Dr. Dunleavy affiliated with?

According to CMS facility affiliation data, Dr. Dunleavy is affiliated with Penn Medicine Princeton Medical Center, Capital Health Medical Center - Hopewell, Robert Wood Johnson University Hospital Somerset.

How does Dr. Dunleavy compare to other orthopedic surgeons in Princeton?

Among the 13 orthopedic surgeons in Princeton, Dr. Dunleavy ranks #10 by total Medicare procedure volume. The highest-volume surgeon in Princeton has 256 verified Medicare procedures.

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

Penn Medicine Princeton Medical Center (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Capital Health Medical Center - Hopewell (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Robert Wood Johnson University Hospital Somerset (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 Princeton, New Jersey

Dr. Dunleavy's 18 Medicare procedures are below the Princeton average of 144. The table below compares verified procedure volumes for orthopedic surgeons practicing in Princeton.

SurgeonProceduresSpecialties
Dr. Brian Vannozzi 256 Hip, Knee
Dr. Stephen Kayiaros 198 Hip, Knee
Dr. Brian Culp 198 Hip, Knee
Dr. Hari Bezwada 196 Hip, Knee
Dr. Frederick Song 72 Shoulder
Dr. Anthony Boniello 68 Hip, 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. Mark Dunleavy, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/nj/dr-mark-dunleavy-princeton.html

Link: https://orthoprocedures.com/surgeons/nj/dr-mark-dunleavy-princeton.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.