Dr. Stephen Barr, M.D.

Orthopedic Surgery

15 procedures3 hospitalsPortland, MEUpdated May 2026

Contact & Location

207-828-2100
Phone: 207-828-2100
Practice phone listed in the NPI registry
33 Sewall St
Portland, ME 04102
Current practice address per the CMS NPPES registry (self-reported to the registry, last updated July 2026). Registry checked September 2026.
Other locations registered to this NPI:
14 Thomas Point Rd
Brunswick, ME 04011
193 Main St
Norway, ME 04268
4 Commons Ave Ste A
Windham, ME 04062
22 Station Ave Ste 201
Brunswick, ME 04011
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: 1245228949
Credentials: M.D.
Active Medicare provider (NPI verified)
21 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
Hip 15 vs 36 national avg 0.4x
avg

Compared with 4,542 hip surgeons in the 2024 Medicare dataset.

Dr. Barr performs more hip replacement procedures than 17% of orthopedic surgeons in Maine, based on 2024 Medicare claims volume.Derived from the state ranking shown on this page: #23 of 28 ranked hip surgeons in Maine.

About Dr. Barr

Practice. Dr. Stephen Barr is a board-certified orthopedic surgeon practicing in Portland, Maine. The latest annual CMS data records 15 hip replacements. That is #23 in Maine for hip replacement. A Medicare provider since 2005.

Trend. Medicare records run from 2013 to 2024, 10 years. Volume peaked at 34 in 2014 and stands at 15 now. Reporting changes and payer mix can both move that number.

National context. Among 4,542 hip replacement surgeons tracked nationally, 15 procedures is below the national average of 36. Medicare covers part of all joint replacements, so true volume is likely higher.

Local context. Portland has 6 orthopedic surgeons in the current Medicare data. Comparing volume and procedure mix across them is one way to narrow a shortlist.

Verified Medicare Cases

Hip Replacement
15 verified cases
#23 in Maine
Estimated 2024 total: 50 – 60 procedures (all insurers)
Medicare fee-for-service share of national volume in 2024: 25% to 33% for hip 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 25% to 33% for hip 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. Barr Compares

Procedure volume compared to the Maine state average.

Hip Below Avg
15 Avg: 31
Dr. Barr Maine Average

Volume Trend Analysis

Dr. Barr's recorded volume peaked at 34 procedures in 2014 and stood at 15 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 10
2024 Volume 15
Peak Volume 34 (2014)
Trend Declining

Hospital Affiliations & Quality

H
Northern Light Mercy Hospital
3/5
Portland, ME
Low case volume
H
Mainehealth Stephens Hospital
4/5
Norway, ME
Low case volume
H
Mainehealth Maine Medical Center
4/5
Portland, ME
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 Hip Replacement

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

Hip Replacement Recovery Overview

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

Week 1-2 Walking with assistive device (walker or cane). Gentle range-of-motion exercises begin. Most patients can manage basic self-care.
Week 3-6 Transition to walking independently. Resume driving short distances. Physical therapy focuses on strength and balance.
Week 7-12 Return to most daily activities and light exercise. Stair climbing improves. Many patients return to desk work.
Month 4-6 Full recovery for most patients. Resume recreational activities, golf, swimming, and low-impact exercise.

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

Frequently Asked Questions About Dr. Barr

How does Dr. Barr's procedure volume compare to other Maine surgeons?

Dr. Barr has performed 15 Medicare-verified joint replacement procedures. The Maine average is 52 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Barr ranks #38 out of 43 orthopedic surgeons in Maine.

What types of joint replacement does Dr. Barr perform?

Dr. Barr's reported Medicare volume is focused on hip replacement, with 15 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Barr in Portland?

Yes. There are 6 orthopedic surgeons in Portland 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 Maine surgeons.

What does the Medicare data for Dr. Barr 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 25% to 33% for hip replacement, which puts Dr. Barr's total volume across all insurers at roughly 50 to 60 procedures against the 15 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. Barr's procedure volume changed over time?

Dr. Barr's Medicare-recorded volume peaked at 34 procedures in 2014 and was 15 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.

Which hospitals is Dr. Barr affiliated with?

According to CMS facility affiliation data, Dr. Barr is affiliated with Northern Light Mercy Hospital, Mainehealth Stephens Hospital, Mainehealth Maine Medical Center.

How does Dr. Barr compare to other orthopedic surgeons in Portland?

Among the 6 orthopedic surgeons in Portland, Dr. Barr ranks #5 by total Medicare procedure volume. The highest-volume surgeon in Portland has 64 verified Medicare procedures.

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

Northern Light Mercy Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Mainehealth Stephens Hospital (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); Mainehealth Maine Medical Center (4 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 Portland, Maine

Dr. Barr's 15 Medicare procedures are below the Portland average of 31. The table below compares verified procedure volumes for orthopedic surgeons practicing in Portland.

SurgeonProceduresSpecialties
Dr. Michael Newman 64 Hip, Knee
Dr. Wayne Piers 38 Hip, Knee
Dr. James Kuhn 37 Hip, Knee
Dr. Sarah Shubert 18 Shoulder
Dr. Bryce Wolf 15 Shoulder

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. Stephen Barr, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/me/dr-stephen-barr-portland.html

Link: https://orthoprocedures.com/surgeons/me/dr-stephen-barr-portland.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.