#30 in New Jersey
Shoulder

Dr. Andrew Willis, M.D.

Specialist
13 procedures 1 hospital Morristown, NJ
Latest available Medicare data — updated April 2026
Shoulder replacement recovery kit Slings, cold therapy, and adaptive clothing for recovery
National Comparison by Procedure
Shoulder 13 vs 28 avg (2,092 surgeons)

Dr. Andrew Willis is a board-certified orthopedic surgeon practicing in Morristown, New Jersey. A Medicare provider since 2006, Dr. Willis has performed 13 Medicare-verified shoulder replacements, ranking #30 in New Jersey.

In New Jersey, Dr. Willis performs below average in shoulder (13 vs 28 avg).

Dr. Willis's Medicare data shows a focused shoulder replacement practice with 13 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.

Morristown is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Morristown area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Willis's Medicare data spans 7 years, beginning in 2014. Volume peaked at 23 procedures in 2015 before settling at 13 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Willis's 13 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
13 verified cases
#30 in New Jersey
Estimated total: 40 – 40 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. Willis Compares

Procedure volume compared to the New Jersey state average.

Shoulder Below Avg
13 Avg: 28
Dr. Willis New Jersey Average

Contact & Location

Phone: 973-538-2334
160 E Hanover Ave
Morristown, NJ 07960
NPI: 1154412187
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Willis's recorded volume peaked at 23 procedures in 2015 and stood at 13 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 7
2023 Volume 13
Peak Volume 23 (2015)
Trend Declining

Hospital Affiliations & Quality

H
Morristown Medical Center
★★★★★
Morristown, 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.

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. Willis

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

Dr. Willis has performed 13 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. Willis ranks #164 out of 182 orthopedic surgeons in New Jersey.

What types of joint replacement does Dr. Willis perform?

Dr. Willis's reported Medicare volume is focused on shoulder replacement, with 13 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Willis in Morristown?

Yes. There are 7 orthopedic surgeons in Morristown 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. Willis 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. Willis's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 13 procedures shown here.

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

Dr. Willis's Medicare-recorded volume peaked at 23 procedures in 2015 and was 13 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. Willis affiliated with?

According to CMS facility affiliation data, Dr. Willis is affiliated with Morristown Medical Center.

How does Dr. Willis compare to other orthopedic surgeons in Morristown?

Among the 7 orthopedic surgeons in Morristown, Dr. Willis ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Morristown has 337 verified Medicare procedures.

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

Morristown Medical Center (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.

Other Orthopedic Surgeons in Morristown, New Jersey

Dr. Willis's 13 Medicare procedures are below the Morristown average of 109. The table below compares verified procedure volumes for orthopedic surgeons practicing in Morristown.

SurgeonProceduresSpecialties
Dr. Robert Goldman 337 Hip, Knee, Shoulder
Dr. Paul Lombardi 278 Hip, Knee
Dr. James Kanellakos 81 Hip, Knee
Dr. Jeffrey Siegel 26 Knee, Shoulder
Dr. Kenneth Montgomery 14 Shoulder
Dr. Berton Taffet 11 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. Andrew Willis, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/nj/dr-andrew-willis-morristown.html

Link: https://orthoprocedures.com/surgeons/nj/dr-andrew-willis-morristown.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.