#27 Shoulder
#153 Knee

Dr. John Mulroy, M.D.

Orthopedic Surgery
34 procedures 1 hospital Milford, MA
Latest available Medicare data — updated April 2026
Rising Star
Shoulder replacement recovery kit Slings, cold therapy, and adaptive clothing for recovery
National Comparison by Procedure
Knee 12 vs 45 avg (6,720 surgeons)
Shoulder 22 vs 28 avg (2,092 surgeons)

Dr. John Mulroy is a board-certified orthopedic surgeon practicing in Milford, Massachusetts. A Medicare provider since 2006, Dr. Mulroy has performed 22 Medicare-verified shoulder replacements (#27 in Massachusetts) and 12 knee replacements, for a combined total of 34 procedures.

In Massachusetts, Dr. Mulroy performs below average in shoulder (22 vs 32 avg), below average in knee (12 vs 51 avg).

Dr. Mulroy's reported Medicare volume is split between shoulder replacements (22 cases) and knee replacements (12 cases).

Beyond general orthopedic surgery, Dr. Mulroy holds additional credentials in Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.

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

Medicare records for Dr. Mulroy extend back to 2015, covering 9 years of data. Over that period, recorded procedure volume increased from 17 to 34 in the most recent data, a 100% increase. This sustained growth reflects an expanding joint replacement practice.

Dr. Mulroy's 22 shoulder replacement procedures is below the national average of 28 among 2,092 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Shoulder Replacement
22 verified cases
#27 in Massachusetts
Knee Replacement
12 verified cases
#153 in Massachusetts
Estimated total: 90 – 100 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. Mulroy Compares

Procedure volume compared to the Massachusetts state average.

Knee Below Avg
12 Avg: 51
Shoulder Below Avg
22 Avg: 32
Dr. Mulroy Massachusetts Average

Contact & Location

Phone: 508-478-7135
321 Fortune Blvd
Milford, MA 01757
NPI: 1508809690
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Mulroy's Medicare-recorded procedure volume has trended upward over 9 years, increasing 100% from 17 procedures in 2015 to 34 in the most recent data.

Years of Data 9
2023 Volume 34
Peak Volume 34 (2019)
Trend Growing

Hospital Affiliations & Quality

H
Umass Memorial Health-Milford Regional Medical Ctr
★★★☆☆
Milford, MA
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.

Shoulder Replacement Recovery Overview

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

Week 1-3 Arm in a sling for protection. Gentle pendulum exercises under therapist guidance. Focus on pain management and wound care.
Week 4-6 Gradual sling weaning. Begin passive and active-assisted range-of-motion exercises. Light daily activities resume.
Week 7-12 Active range-of-motion exercises. Light strengthening begins. Most patients can drive and perform desk work.
Month 4-6 Progressive strengthening continues. Return to most activities. Full recovery may take 6-12 months for complete shoulder strength.

Individual recovery varies based on overall health, age, and adherence to physical therapy. View full shoulder replacement recovery guide and product recommendations

Frequently Asked Questions About Dr. Mulroy

How does Dr. Mulroy's procedure volume compare to other Massachusetts surgeons?

Dr. Mulroy has performed 34 Medicare-verified joint replacement procedures. The Massachusetts average is 74 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Mulroy ranks #135 out of 202 orthopedic surgeons in Massachusetts.

What types of joint replacement does Dr. Mulroy perform?

Dr. Mulroy's Medicare data shows procedures in shoulder replacement (22 cases) and knee replacement (12 cases).

Are there other orthopedic surgeons near Dr. Mulroy in Milford?

Yes. There are 5 orthopedic surgeons in Milford 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 Massachusetts surgeons.

What does the Medicare data for Dr. Mulroy 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. Mulroy's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 34 procedures shown here.

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

Yes. Dr. Mulroy's Medicare-recorded volume has increased from 17 procedures in 2015 to 34 in the most recent data, a 100% increase over 9 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 34 procedures in 2019.

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

Yes. Dr. Mulroy's Medicare data shows procedures in shoulder replacement (22 cases), knee replacement (12 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Mulroy affiliated with?

According to CMS facility affiliation data, Dr. Mulroy is affiliated with Umass Memorial Health-Milford Regional Medical Ctr.

How does Dr. Mulroy compare to other orthopedic surgeons in Milford?

Among the 5 orthopedic surgeons in Milford, Dr. Mulroy ranks #2 by total Medicare procedure volume. Dr. Mulroy is among the highest-volume surgeons in Milford.

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

Umass Memorial Health-Milford Regional Medical Ctr (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 Milford, Massachusetts

Dr. Mulroy's 34 Medicare procedures are below the Milford average of 38. The table below compares verified procedure volumes for orthopedic surgeons practicing in Milford.

SurgeonProceduresSpecialties
Dr. Susan Barrett 100 Hip, Knee
Dr. Richard Mulroy 23 Knee
Dr. Michael Vazquez 22 Shoulder
Dr. Brendan Kiernan 12 Hip

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. John Mulroy, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ma/dr-john-mulroy-milford.html

Link: https://orthoprocedures.com/surgeons/ma/dr-john-mulroy-milford.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.