Dr. William Maloney
Dr. William Maloney is a board-certified orthopedic surgeon practicing in Stanford, California. A Medicare provider since 2007, Dr. Maloney has performed 33 Medicare-verified knee replacements (#223 in California) and 11 hip replacements, for a combined total of 44 procedures.
In California, Dr. Maloney performs below average in knee (33 vs 45 avg), below average in hip (11 vs 41 avg).
Dr. Maloney's practice is heavily focused on knee replacement surgery, which accounts for 75% of reported Medicare volume.
Stanford is home to 16 orthopedic surgeons in the current Medicare dataset. Patients in the Stanford area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Maloney's Medicare record spans 11 years from 2013 through 2023. Procedure volume has remained consistent during that period, ranging from 17 to 63 procedures per year, reflecting a steady joint replacement practice.
Dr. Maloney's 33 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
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. Maloney Compares
Procedure volume compared to the California state average.
Contact & Location
Stanford, CA 94305
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Maloney's procedure volume has been consistent across 11 years of Medicare data, ranging from 17 to 63 procedures per year. This stability suggests a well-established joint replacement practice.
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.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
Medicare Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
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. Maloney
How does Dr. Maloney's procedure volume compare to other California surgeons?
Dr. Maloney has performed 44 Medicare-verified joint replacement procedures. The California average is 65 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Maloney ranks #294 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Maloney perform?
Dr. Maloney's Medicare data shows procedures in knee replacement (33 cases) and hip replacement (11 cases).
Are there other orthopedic surgeons near Dr. Maloney in Stanford?
Yes. There are 16 orthopedic surgeons in Stanford 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 California surgeons.
What does the Medicare data for Dr. Maloney 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. Maloney's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 44 procedures shown here.
Has Dr. Maloney's procedure volume changed over time?
Dr. Maloney's procedure volume has been relatively stable over 11 years of Medicare data, ranging from 17 to 63 procedures per year between 2013 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.
Does Dr. Maloney perform more than one type of joint replacement?
Yes. Dr. Maloney's Medicare data shows procedures in knee replacement (33 cases), hip replacement (11 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Maloney affiliated with?
According to CMS facility affiliation data, Dr. Maloney is affiliated with Stanford Health Care.
How does Dr. Maloney compare to other orthopedic surgeons in Stanford?
Among the 16 orthopedic surgeons in Stanford, Dr. Maloney ranks #9 by total Medicare procedure volume. The highest-volume surgeon in Stanford has 262 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Maloney practices?
Stanford Health Care (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 Stanford, California
Dr. Maloney's 44 Medicare procedures are below the Stanford average of 126. The table below compares verified procedure volumes for orthopedic surgeons practicing in Stanford.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Robert Mayle | 262 | Hip, Knee |
| Dr. Matthew Miller | 155 | Hip, Knee |
| Dr. James Huddleston | 129 | Hip, Knee |
| Dr. Stuart Goodman | 112 | Hip, Knee |
| Dr. Bradley Crow | 106 | Hip, Knee |
| Dr. Emilie Cheung | 73 | Shoulder |
Patient Reviews & Ratings
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