#10 Hip
#15 Knee

Dr. James Phillips, MD

Orthopedic Surgery
184 procedures 1 hospital Wellesley, MA
Latest available Medicare data — updated April 2026
Rising Star Top 10% Nationally
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 87 vs 36 avg (4,526 surgeons)
Knee 97 vs 45 avg (6,720 surgeons)

Dr. James Phillips is a board-certified orthopedic surgeon practicing in Wellesley, Massachusetts. A Medicare provider since 2005, Dr. Phillips has performed 97 Medicare-verified knee replacements (#15 in Massachusetts) and 87 hip replacements, for a combined total of 184 procedures.

In Massachusetts, Dr. Phillips performs above average in knee (97 vs 51 avg), above average in hip (87 vs 44 avg).

Dr. Phillips's reported Medicare volume is split between knee replacements (97 cases) and hip replacements (87 cases).

Dr. Phillips is the only orthopedic surgeon in Wellesley represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.

Medicare records for Dr. Phillips extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 102 to 184 in the most recent data, a 80% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Phillips's 97 verified procedures is more than 2x the national average of 45.

Verified Medicare Cases

Knee Replacement
97 verified cases
#15 in Massachusetts
Hip Replacement
87 verified cases
#10 in Massachusetts
Estimated total: 500 – 560 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. Phillips Compares

Procedure volume compared to the Massachusetts state average.

Hip High
87 Avg: 44
Knee High
97 Avg: 51
Dr. Phillips Massachusetts Average

Contact & Location

Phone: 617-654-7111
230 Worcester St
Wellesley, MA 02481
NPI: 1912988189
Credentials: MD
Active Medicare provider (NPI verified)
21 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Phillips's Medicare-recorded procedure volume has trended upward over 11 years, increasing 80% from 102 procedures in 2013 to 184 in the most recent data.

Years of Data 11
2023 Volume 184
Peak Volume 185 (2019)
Trend Growing

Hospital Affiliations & Quality

H
New England Baptist Hospital
★★★★★
Boston, 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.

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. Phillips

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

Dr. Phillips has performed 184 Medicare-verified joint replacement procedures. This is more than 2x the Massachusetts average of 74 procedures per surgeon. Dr. Phillips ranks #13 out of 202 orthopedic surgeons in Massachusetts.

What types of joint replacement does Dr. Phillips perform?

Dr. Phillips's Medicare data shows procedures in knee replacement (97 cases) and hip replacement (87 cases).

How experienced is Dr. Phillips with knee replacement surgery?

Dr. Phillips ranks #15 in Massachusetts for knee replacement with 97 Medicare-verified procedures. This high ranking among 202 state surgeons indicates significant experience with this specific procedure.

Where is Dr. Phillips's practice located?

Dr. Phillips practices in Wellesley, Massachusetts. The office is located at 230 Worcester St, Wellesley, MA 02481. Patients in the surrounding area can consult Dr. Phillips for joint replacement evaluation.

What does the Medicare data for Dr. Phillips 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. Phillips's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 184 procedures shown here.

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

Yes. Dr. Phillips's Medicare-recorded volume has increased from 102 procedures in 2013 to 184 in the most recent data, a 80% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 185 procedures in 2019.

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

Yes. Dr. Phillips's Medicare data shows procedures in knee replacement (97 cases), hip replacement (87 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Phillips affiliated with?

According to CMS facility affiliation data, Dr. Phillips is affiliated with New England Baptist Hospital.

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

New England Baptist Hospital (5 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.

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. James Phillips, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ma/dr-james-phillips-wellesley.html

Link: https://orthoprocedures.com/surgeons/ma/dr-james-phillips-wellesley.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.