Dr. William Arnold, M.D., PH.D.
Dr. William Arnold is a board-certified orthopedic surgeon practicing in Bensalem, Pennsylvania. Dr. Arnold has performed 36 Medicare-verified knee replacements (#142 in Pennsylvania) and 18 hip replacements, for a combined total of 54 procedures.
In Pennsylvania, Dr. Arnold performs near average in knee (36 vs 45 avg), below average in hip (18 vs 34 avg).
Dr. Arnold's reported Medicare volume is split between knee replacements (36 cases) and hip replacements (18 cases).
Bensalem is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Bensalem area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Arnold's Medicare data spans 11 years, beginning in 2013. Volume peaked at 148 procedures in 2016 before settling at 54 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Arnold's 36 verified procedures is near the national average of 45.
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. Arnold Compares
Procedure volume compared to the Pennsylvania state average.
Contact & Location
Bensalem, PA 19020
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Arnold's recorded volume peaked at 148 procedures in 2016 and stood at 54 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
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. Arnold
How does Dr. Arnold's procedure volume compare to other Pennsylvania surgeons?
Dr. Arnold has performed 54 Medicare-verified joint replacement procedures. This is in line with the Pennsylvania average of 63 procedures per surgeon. Dr. Arnold ranks #162 out of 388 orthopedic surgeons in Pennsylvania.
What types of joint replacement does Dr. Arnold perform?
Dr. Arnold's Medicare data shows procedures in knee replacement (36 cases) and hip replacement (18 cases).
Are there other orthopedic surgeons near Dr. Arnold in Bensalem?
Yes. There are 3 orthopedic surgeons in Bensalem 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. Arnold 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. Arnold's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 54 procedures shown here.
Has Dr. Arnold's procedure volume changed over time?
Dr. Arnold's Medicare-recorded volume peaked at 148 procedures in 2016 and was 54 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.
Does Dr. Arnold perform more than one type of joint replacement?
Yes. Dr. Arnold's Medicare data shows procedures in knee replacement (36 cases), hip replacement (18 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
How does Dr. Arnold compare to other orthopedic surgeons in Bensalem?
Among the 3 orthopedic surgeons in Bensalem, Dr. Arnold ranks #3 by total Medicare procedure volume. Dr. Arnold is among the highest-volume surgeons in Bensalem.
Other Orthopedic Surgeons in Bensalem, Pennsylvania
Dr. Arnold's 54 Medicare procedures are below the Bensalem average of 107. The table below compares verified procedure volumes for orthopedic surgeons practicing in Bensalem.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. William Hozack | 173 | Hip, Knee |
| Dr. Mark Lazarus | 94 | Shoulder |
Patient Reviews & Ratings
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