Dr. Louay Toma, M.D.
Contact & Location
Walnut Creek, CA 94598
Dr. Louay Toma is a board-certified orthopedic surgeon practicing in Walnut Creek, California. A Medicare provider since 2006, Dr. Toma has performed 194 Medicare-verified hip replacements (#3 in California) and 12 knee replacements, for a combined total of 206 procedures.
In California, Dr. Toma performs well above average in hip (194 vs 41 avg), below average in knee (12 vs 47 avg).
Dr. Toma's practice is heavily focused on hip replacement surgery, which accounts for 94% of reported Medicare volume.
Walnut Creek is home to 6 orthopedic surgeons in the current Medicare dataset. Patients in the Walnut Creek area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Toma's Medicare record spans 12 years from 2013 through 2024. Procedure volume has remained consistent during that period, ranging from 182 to 238 procedures per year, reflecting a steady joint replacement practice.
Among 4,532 hip replacement surgeons tracked nationally, Dr. Toma's 194 verified procedures is more than 5x the national average of 36, ranking #8 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. Toma Compares
Procedure volume compared to the California state average.
Volume Trend Analysis
Dr. Toma's procedure volume has been consistent across 12 years of Medicare data, ranging from 182 to 238 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 Hip Replacement
If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:
Understanding the progression from conservative treatments to surgical intervention, and how to determine when hip replacement becomes the right choice.
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.
Home Safety: Creating Your Recovery SanctuaryRoom-by-room modifications, equipment recommendations, and fall-prevention strategies to prepare your home for a safe post-surgical recovery.
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.
Hip Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Toma
How does Dr. Toma's procedure volume compare to other California surgeons?
Dr. Toma has performed 206 Medicare-verified joint replacement procedures. This is more than 3x the California average of 68 procedures per surgeon. Dr. Toma ranks #34 out of 613 orthopedic surgeons in California.
What types of joint replacement does Dr. Toma perform?
Dr. Toma's Medicare data shows procedures in hip replacement (194 cases) and knee replacement (12 cases).
How experienced is Dr. Toma with hip replacement surgery?
Dr. Toma ranks #3 in California for hip replacement with 194 Medicare-verified procedures. This high ranking among 613 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Toma in Walnut Creek?
Yes. There are 6 orthopedic surgeons in Walnut Creek 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. Toma 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. Toma's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 206 procedures shown here.
Has Dr. Toma's procedure volume changed over time?
Dr. Toma's procedure volume has been relatively stable over 12 years of Medicare data, ranging from 182 to 238 procedures per year between 2013 and 2024. Consistent volume over multiple years reflects a steady joint replacement practice.
Does Dr. Toma perform more than one type of joint replacement?
Yes. Dr. Toma's Medicare data shows procedures in hip replacement (194 cases), knee replacement (12 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Toma affiliated with?
According to CMS facility affiliation data, Dr. Toma is affiliated with John Muir Medical Center - Concord Campus, John Muir Medical Center - Walnut Creek Campus.
How does Dr. Toma compare to other orthopedic surgeons in Walnut Creek?
Among the 6 orthopedic surgeons in Walnut Creek, Dr. Toma ranks #2 by total Medicare procedure volume. Dr. Toma is among the highest-volume surgeons in Walnut Creek.
What are the quality ratings for hospitals where Dr. Toma practices?
John Muir Medical Center - Concord Campus (4 out of 5 CMS stars, hip/knee complication rate similar to national average); John Muir Medical Center - Walnut Creek Campus (3 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 Walnut Creek, California
Dr. Toma's 206 Medicare procedures are above the Walnut Creek average of 136. The table below compares verified procedure volumes for orthopedic surgeons practicing in Walnut Creek.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Wendy Wong | 249 | Hip, Knee |
| Dr. Sean Griffiths | 124 | Hip, Knee |
| Dr. Craig Wiseman | 102 | Knee, Shoulder |
| Dr. John Kronick | 101 | Hip, Knee |
| Dr. William Workman | 32 | 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.