Dr. Jess Lonner, M.D.
Contact & Location
Bryn Mawr, PA 19010
Dr. Jess Lonner is a board-certified orthopedic surgeon practicing in Bryn Mawr, Pennsylvania. A Medicare provider since 2006, Dr. Lonner has performed 185 Medicare-verified knee replacements, ranking #4 in Pennsylvania.
In Pennsylvania, Dr. Lonner performs well above average in knee (185 vs 47 avg).
Dr. Lonner's Medicare data shows a focused knee replacement practice with 185 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.
Beyond general orthopedic surgery, Dr. Lonner holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.
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 12 years of data. Over that period, recorded procedure volume increased from 121 to 185 in the most recent data, a 53% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Lonner's 185 verified procedures is more than 4x the national average of 45, ranking #77 nationally.
Verified Case Volume Trends (2013-Current)
Verified Medicare Cases
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.
Volume Trend Analysis
Dr. Lonner's Medicare-recorded procedure volume has trended upward over 12 years, increasing 53% from 121 procedures in 2013 to 185 in the most recent data.
Hospital Affiliations & Quality
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 Knee Replacement
If you are considering knee replacement surgery, these evidence-based guides can help you prepare and recover:
An overview of current surgical approaches including robotic-assisted and minimally invasive techniques, implant options, and expected outcomes.
Questions to Ask Your Surgeon Before Joint ReplacementA practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
Outpatient Joint Replacement: A Medicare GuideHow outpatient joint replacement works under Medicare, including eligibility criteria, cost differences, and what to expect with same-day discharge.
Knee Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:
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 185 Medicare-verified joint replacement procedures. This is more than 2x the Pennsylvania average of 66 procedures per surgeon. Dr. Lonner ranks #27 out of 376 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 185 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 #4 in Pennsylvania for knee replacement with 185 Medicare-verified procedures. This high ranking among 376 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 185 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 185 in the most recent data, a 53% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 185 procedures in 2024.
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 185 Medicare procedures are above the Bryn Mawr average of 147. The table below compares verified procedure volumes for orthopedic surgeons practicing in Bryn Mawr.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Eric Levicoff | 292 | Hip, Knee |
| Dr. Joseph Vernace | 216 | Hip, Knee |
| Dr. Yale Fillingham | 184 | Hip, Knee |
| Dr. Gerald Williams | 104 | Shoulder |
| Dr. William Emper | 27 | Knee |
| Dr. Kevin Freedman | 19 | Knee |
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.