Dr. Louay Toma, M.D.
Dr. Louay Toma is a board-certified orthopedic surgeon practicing in Walnut Creek, California. A Medicare provider since 2006, Dr. Toma has performed 200 Medicare-verified hip replacements (#4 in California) and 38 knee replacements, for a combined total of 238 procedures.
In California, Dr. Toma performs well above average in hip (200 vs 41 avg), near average in knee (38 vs 45 avg).
Dr. Toma's practice is heavily focused on hip replacement surgery, which accounts for 84% of reported Medicare volume.
Walnut Creek is home to 7 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.
Medicare records for Dr. Toma extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 182 to 238 in the most recent data, a 31% increase. This sustained growth reflects an expanding joint replacement practice.
Among 4,526 hip replacement surgeons tracked nationally, Dr. Toma's 200 verified procedures is more than 5x the national average of 36, ranking #8 nationally.
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.
Contact & Location
Walnut Creek, CA 94598
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Toma's Medicare-recorded procedure volume has trended upward over 11 years, increasing 31% from 182 procedures in 2013 to 238 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 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 238 Medicare-verified joint replacement procedures. This is more than 3x the California average of 65 procedures per surgeon. Dr. Toma ranks #17 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Toma perform?
Dr. Toma's Medicare data shows procedures in hip replacement (200 cases) and knee replacement (38 cases).
How experienced is Dr. Toma with hip replacement surgery?
Dr. Toma ranks #4 in California for hip replacement with 200 Medicare-verified procedures. This high ranking among 608 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Toma in Walnut Creek?
Yes. There are 7 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 238 procedures shown here.
Has Dr. Toma's procedure volume changed over time?
Yes. Dr. Toma's Medicare-recorded volume has increased from 182 procedures in 2013 to 238 in the most recent data, a 31% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 238 procedures in 2023.
Does Dr. Toma perform more than one type of joint replacement?
Yes. Dr. Toma's Medicare data shows procedures in hip replacement (200 cases), knee replacement (38 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 7 orthopedic surgeons in Walnut Creek, Dr. Toma ranks #1 by total Medicare procedure volume. Dr. Toma has the highest verified Medicare volume in the city.
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 238 Medicare procedures are above the Walnut Creek average of 97. The table below compares verified procedure volumes for orthopedic surgeons practicing in Walnut Creek.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Wendy Wong | 169 | Hip, Knee |
| Dr. John Kronick | 96 | Hip, Knee |
| Dr. Sean Griffiths | 90 | Hip, Knee |
| Dr. Craig Wiseman | 59 | Knee, Shoulder |
| Dr. William Workman | 15 | Knee |
| Dr. Michael Michlitsch | 15 | Shoulder |
Patient Reviews & Ratings
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