Dr. Stephen Gardner is a board-certified orthopedic surgeon practicing in Mission Viejo, California. Dr. Gardner has completed 25 knee replacements (#299 in California), 20 hip replacements, and 15 shoulder replacements — totaling 60 Medicare-verified procedures.
Dr. Gardner's 60 Medicare procedures are near the California median of 42. The state has 608 orthopedic surgeons in the current Medicare dataset. Medicare fee-for-service data captures roughly 33–37% of all joint replacements, so total surgical volume is likely higher.
Dr. Gardner performs all three major joint replacement procedures — hip, knee, and shoulder — indicating a broad scope of orthopedic practice. The largest share is knee replacements (25 cases), followed by hip replacements (20) and shoulder replacements (15).
Mission Viejo is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Mission Viejo area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
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.
Verified Case Volume Trends (2013-Current)
Frequently Asked Questions About Dr. Gardner
How does Dr. Gardner's procedure volume compare to other California surgeons?
Dr. Gardner has performed 60 Medicare-verified joint replacement procedures. This is in line with the California average of 65 procedures per surgeon. Dr. Gardner ranks #219 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Gardner perform?
Dr. Gardner performs all three major joint replacement procedures: knee replacement (25 cases), hip replacement (20 cases), shoulder replacement (15 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.
Are there other orthopedic surgeons near Dr. Gardner in Mission Viejo?
Yes. There are 4 orthopedic surgeons in Mission Viejo 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. Gardner 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. Gardner's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 60 procedures shown here.
Other Orthopedic Surgeons in Mission Viejo, California
Compare Dr. Gardner's volume with other surgeons practicing in Mission Viejo.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Samuel Park | 167 | Hip, Knee |
| Dr. James Chen | 73 | Hip, Knee |
| Dr. Michael Marandola | 64 | Hip, Knee |
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Mission Viejo, CA 92691