Dr. John Mulroy, M.D.

Orthopedic Surgery

33 procedures1 hospitalMilford, MAUpdated May 2026

Contact & Location

508-478-7135
Phone: 508-478-7135
Practice phone listed in the NPI registry
321 Fortune Blvd
Milford, MA 01757
Current practice address per the CMS NPPES registry (self-reported to the registry, last updated August 2025). Registry checked August 2026.
Other locations registered to this NPI:
98 Prospect St
Milford, MA 01757
Additional practice sites listed in the surgeon's own CMS NPPES registry entry. The registry does not record which site a surgeon primarily works from, so call ahead to confirm where an appointment takes place.
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
National Comparison by Procedure
Knee 12 vs 45 national avg 0.3x
avg
Shoulder 21 vs 29 national avg 0.7x
avg

Compared with 6,612 knee surgeons and 2,217 shoulder surgeons in the 2024 Medicare dataset.

Dr. Mulroy performs more shoulder replacement procedures than 43% of orthopedic surgeons in Massachusetts, based on 2024 Medicare claims volume.Derived from the state ranking shown on this page: #26 of 46 ranked shoulder surgeons in Massachusetts.

About Dr. Mulroy

Practice. Dr. John Mulroy is a board-certified orthopedic surgeon practicing in Milford, Massachusetts. The latest annual CMS data records 21 shoulder replacements and 12 knee replacements, 33 procedures in all. That is #26 in Massachusetts for shoulder replacement. A Medicare provider since 2006.

Trend. Medicare records run from 2015 to 2024, 10 years. Volume rose from 17 procedures a year to 33, up 94%.

National context. Among 2,217 shoulder replacement surgeons tracked nationally, 21 procedures is below the national average of 29. Medicare covers part of all joint replacements, so true volume is likely higher.

Local context. Milford has 5 orthopedic surgeons in the current Medicare data. Comparing volume and procedure mix across them is one way to narrow a shortlist.

Verified Medicare Cases

Shoulder Replacement
21 verified cases
#26 in Massachusetts
Knee Replacement
12 verified cases
#154 in Massachusetts
Estimated 2024 total: 100 – 120 procedures (all insurers)
Medicare fee-for-service share of national volume in 2024: 29% to 37% for shoulder replacement, 23% to 28% for knee replacement
How is this estimated?

Medicare Part B fee-for-service claims are one payer stream among several, and the share they represent differs by procedure. In 2024 it was 29% to 37% for shoulder replacement, 23% to 28% for knee replacement. Each verified count above is divided by its own procedure's range, and the results are added, to estimate total practice volume across all payers. The verified Medicare count is the definitive, audited figure; this is a range derived from published national volume projections, not a measurement, and an individual practice can sit well outside it: how these ranges are derived, and their sources.

How Dr. Mulroy Compares

Procedure volume compared to the Massachusetts state average.

Knee Below Avg
12 Avg: 50
Shoulder Below Avg
21 Avg: 35
Dr. Mulroy Massachusetts Average

Volume Trend Analysis

Dr. Mulroy's Medicare-recorded procedure volume has trended upward over 10 years, increasing 94% from 17 procedures in 2015 to 33 in the most recent data.

Years of Data 10
2024 Volume 33
Peak Volume 34 (2019)
Trend Growing

Hospital Affiliations & Quality

H
Umass Memorial Health-Milford Regional Medical Ctr
3/5
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.

Patient Resources: Preparing for Shoulder Replacement

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

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 33 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 #136 out of 203 orthopedic surgeons in Massachusetts.

What types of joint replacement does Dr. Mulroy perform?

Dr. Mulroy's Medicare data shows procedures in shoulder replacement (21 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 2024 Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). Medicare fee-for-service is only one payer stream, and the share of national volume it represents differs by procedure. In 2024 the share was 29% to 37% for shoulder replacement, 23% to 28% for knee replacement, which puts Dr. Mulroy's total volume across all insurers at roughly 100 to 120 procedures against the 33 verified here. Those shares are derived from published national volume projections rather than quoted from a single publication, and they are estimates with real uncertainty. The OrthoProcedures methodology page shows the full derivation, the sources, and the limits at orthoprocedures.com/data-methodology.html.

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

Yes. Dr. Mulroy's Medicare-recorded volume has increased from 17 procedures in 2015 to 33 in the most recent data, a 94% increase over 10 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 (21 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 33 Medicare procedures are at the Milford average of 33. The table below compares verified procedure volumes for orthopedic surgeons practicing in Milford.

SurgeonProceduresSpecialties
Dr. Susan Barrett 86 Hip, Knee
Dr. Michael Vazquez 18 Shoulder
Dr. Richard Mulroy 17 Knee
Dr. Brendan Kiernan 11 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 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.