#5 in Pennsylvania
Knee

Dr. Jess Lonner, M.D.

Orthopedic Surgery
170 procedures 3 hospitals Bryn Mawr, PA
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
Knee 170 vs 45 avg (6,720 surgeons)

Dr. Jess Lonner is a board-certified orthopedic surgeon practicing in Bryn Mawr, Pennsylvania. Dr. Lonner has performed 170 Medicare-verified knee replacements, ranking #5 in Pennsylvania.

In Pennsylvania, Dr. Lonner performs well above average in knee (170 vs 45 avg).

Dr. Lonner's Medicare data shows a focused knee replacement practice with 170 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.

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

Medicare records for Dr. Lonner extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 121 to 170 in the most recent data, a 40% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Lonner's 170 verified procedures is more than 3x the national average of 45, ranking #109 nationally.

Verified Medicare Cases

Knee Replacement
170 verified cases
#5 in Pennsylvania
Estimated total: 460 – 520 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. Lonner Compares

Procedure volume compared to the Pennsylvania state average.

Knee Very High
170 Avg: 45
Dr. Lonner Pennsylvania Average

Contact & Location

825 Old Lancaster Rd Ste 100
Bryn Mawr, PA 19010
NPI: 1568499309
Credentials: M.D.
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Lonner's Medicare-recorded procedure volume has trended upward over 11 years, increasing 40% from 121 procedures in 2013 to 170 in the most recent data.

Years of Data 11
2023 Volume 170
Peak Volume 172 (2022)
Trend Growing

Hospital Affiliations & Quality

H
Physician'S Care Surgical Hospital
Royersford, PA
Better than national avg
H
Bryn Mawr Hospital, The
★★★★☆
Bryn Mawr, PA
Similar to national avg
H
St Luke'S Hospital Bethlehem
★★★★★
Bethlehem, PA
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. Lonner

How does Dr. Lonner's procedure volume compare to other Pennsylvania surgeons?

Dr. Lonner has performed 170 Medicare-verified joint replacement procedures. This is more than 2x the Pennsylvania average of 63 procedures per surgeon. Dr. Lonner ranks #28 out of 388 orthopedic surgeons in Pennsylvania.

What types of joint replacement does Dr. Lonner perform?

Dr. Lonner's reported Medicare volume is focused on knee replacement, with 170 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

How experienced is Dr. Lonner with knee replacement surgery?

Dr. Lonner ranks #5 in Pennsylvania for knee replacement with 170 Medicare-verified procedures. This high ranking among 388 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Lonner in Bryn Mawr?

Yes. There are 7 orthopedic surgeons in Bryn Mawr 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 Pennsylvania surgeons.

What does the Medicare data for Dr. Lonner 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. Lonner's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 170 procedures shown here.

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

Yes. Dr. Lonner's Medicare-recorded volume has increased from 121 procedures in 2013 to 170 in the most recent data, a 40% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 172 procedures in 2022.

Which hospitals is Dr. Lonner affiliated with?

According to CMS facility affiliation data, Dr. Lonner is affiliated with Physician'S Care Surgical Hospital, Bryn Mawr Hospital, The, St Luke'S Hospital Bethlehem.

How does Dr. Lonner compare to other orthopedic surgeons in Bryn Mawr?

Among the 7 orthopedic surgeons in Bryn Mawr, Dr. Lonner ranks #3 by total Medicare procedure volume. Dr. Lonner is among the highest-volume surgeons in Bryn Mawr.

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

Physician'S Care Surgical Hospital (hip/knee complication rate better than national average); Bryn Mawr Hospital, The (4 out of 5 CMS stars, hip/knee complication rate similar to national average); St Luke'S Hospital Bethlehem (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 Bryn Mawr, Pennsylvania

Dr. Lonner's 170 Medicare procedures are above the Bryn Mawr average of 129. The table below compares verified procedure volumes for orthopedic surgeons practicing in Bryn Mawr.

SurgeonProceduresSpecialties
Dr. Eric Levicoff 259 Hip, Knee
Dr. Joseph Vernace 192 Hip, Knee
Dr. Yale Fillingham 126 Hip, Knee
Dr. Gerald Williams 106 Shoulder
Dr. Kevin Freedman 26 Knee
Dr. William Emper 21 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. Jess Lonner, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/pa/dr-jess-lonner-bryn-mawr.html

Link: https://orthoprocedures.com/surgeons/pa/dr-jess-lonner-bryn-mawr.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.