Dr. Robert Lonergan, M.D.

Orthopedic Surgery
20 procedures 1 hospital Memphis, TN
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 901-767-8662
Practice phone listed in the NPI registry
1244 Primacy Pkwy
Memphis, TN 38119
NPI: 1972579605
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Sports medicine specialist
Contact information available
Find Practice on Google Maps
Shoulder replacement recovery kit Slings, cold therapy, and adaptive clothing for recovery
National Comparison by Procedure
Shoulder 20 vs 29 avg (2,213 surgeons)

Dr. Robert Lonergan is a board-certified orthopedic surgeon practicing in Memphis, Tennessee. A Medicare provider since 2006, Dr. Lonergan has performed 20 Medicare-verified shoulder replacements, ranking #34 in Tennessee.

In Tennessee, Dr. Lonergan performs below average in shoulder (20 vs 32 avg).

Dr. Lonergan's Medicare data shows a focused shoulder replacement practice with 20 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.

Memphis is home to 9 orthopedic surgeons in the current Medicare dataset. Patients in the Memphis area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Lonergan extend back to 2018, covering 3 years of data. Over that period, recorded procedure volume increased from 13 to 20 in the most recent data, a 54% increase. This sustained growth reflects an expanding joint replacement practice.

Dr. Lonergan's 20 shoulder replacement procedures is below the national average of 29 among 2,213 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Shoulder Replacement
20 verified cases
#34 in Tennessee
Estimated total: 50 – 60 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. Lonergan Compares

Procedure volume compared to the Tennessee state average.

Shoulder Below Avg
20 Avg: 32
Dr. Lonergan Tennessee Average

Volume Trend Analysis

Dr. Lonergan's Medicare-recorded procedure volume has trended upward over 3 years, increasing 54% from 13 procedures in 2018 to 20 in the most recent data.

Years of Data 3
2024 Volume 20
Peak Volume 20 (2024)
Trend Growing

Hospital Affiliations & Quality

H
Saint Francis Bartlett Medical Center
2/5
Bartlett, TN
Low case volume

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. Lonergan

How does Dr. Lonergan's procedure volume compare to other Tennessee surgeons?

Dr. Lonergan has performed 20 Medicare-verified joint replacement procedures. The Tennessee average is 65 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Lonergan ranks #183 out of 219 orthopedic surgeons in Tennessee.

What types of joint replacement does Dr. Lonergan perform?

Dr. Lonergan's reported Medicare volume is focused on shoulder replacement, with 20 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Lonergan in Memphis?

Yes. There are 9 orthopedic surgeons in Memphis 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 Tennessee surgeons.

What does the Medicare data for Dr. Lonergan 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. Lonergan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 20 procedures shown here.

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

Yes. Dr. Lonergan's Medicare-recorded volume has increased from 13 procedures in 2018 to 20 in the most recent data, a 54% increase over 3 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 20 procedures in 2024.

Which hospitals is Dr. Lonergan affiliated with?

According to CMS facility affiliation data, Dr. Lonergan is affiliated with Saint Francis Bartlett Medical Center.

How does Dr. Lonergan compare to other orthopedic surgeons in Memphis?

Among the 9 orthopedic surgeons in Memphis, Dr. Lonergan ranks #8 by total Medicare procedure volume. The highest-volume surgeon in Memphis has 143 verified Medicare procedures.

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

Saint Francis Bartlett Medical Center (2 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Memphis, Tennessee

Dr. Lonergan's 20 Medicare procedures are below the Memphis average of 74. The table below compares verified procedure volumes for orthopedic surgeons practicing in Memphis.

SurgeonProceduresSpecialties
Dr. Andrew Wodowski 143 Hip, Knee
Dr. Owen Tabor 123 Hip, Knee
Dr. James Bailey 72 Hip, Knee
Dr. Michael Neel 60 Hip, Knee
Dr. Kenneth Weiss 52 Knee
Dr. Thomas Giel 49 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. Robert Lonergan, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/tn/dr-robert-lonergan-memphis.html

Link: https://orthoprocedures.com/surgeons/tn/dr-robert-lonergan-memphis.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.