Dr. James Mamone, M.D.
Dr. James Mamone is a board-certified orthopedic surgeon practicing in Roseville, California. A Medicare provider since 2006, Dr. Mamone has performed 38 Medicare-verified knee replacements (#190 in California) and 13 hip replacements, for a combined total of 51 procedures.
In California, Dr. Mamone performs near average in knee (38 vs 45 avg), below average in hip (13 vs 41 avg).
Dr. Mamone's practice is heavily focused on knee replacement surgery, which accounts for 75% of reported Medicare volume.
Roseville is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Roseville area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Mamone's Medicare data spans 11 years, beginning in 2013. Volume peaked at 95 procedures in 2018 before settling at 51 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. Mamone's 38 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. Mamone Compares
Procedure volume compared to the California state average.
Contact & Location
Roseville, CA 95661
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Mamone's recorded volume peaked at 95 procedures in 2018 and stood at 51 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
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. Mamone
How does Dr. Mamone's procedure volume compare to other California surgeons?
Dr. Mamone has performed 51 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. Mamone ranks #252 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Mamone perform?
Dr. Mamone's Medicare data shows procedures in knee replacement (38 cases) and hip replacement (13 cases).
Are there other orthopedic surgeons near Dr. Mamone in Roseville?
Yes. There are 4 orthopedic surgeons in Roseville 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. Mamone 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. Mamone's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 51 procedures shown here.
Has Dr. Mamone's procedure volume changed over time?
Dr. Mamone's Medicare-recorded volume peaked at 95 procedures in 2018 and was 51 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. Mamone perform more than one type of joint replacement?
Yes. Dr. Mamone's Medicare data shows procedures in knee replacement (38 cases), hip replacement (13 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Mamone affiliated with?
According to CMS facility affiliation data, Dr. Mamone is affiliated with Sutter Roseville Medical Center, Sutter Auburn Faith Hospital.
How does Dr. Mamone compare to other orthopedic surgeons in Roseville?
Among the 4 orthopedic surgeons in Roseville, Dr. Mamone ranks #3 by total Medicare procedure volume. Dr. Mamone is among the highest-volume surgeons in Roseville.
What are the quality ratings for hospitals where Dr. Mamone practices?
Sutter Roseville Medical Center (3 out of 5 CMS stars, hip/knee complication rate above national average); Sutter Auburn Faith Hospital (4 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 Roseville, California
Dr. Mamone's 51 Medicare procedures are below the Roseville average of 52. The table below compares verified procedure volumes for orthopedic surgeons practicing in Roseville.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Kevin Hansen | 60 | Knee, Shoulder |
| Dr. Andrew Meyers | 55 | Hip, Knee |
| Dr. Kyle McClintock | 43 | Shoulder |
Patient Reviews & Ratings
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