Dr. John Costouros, MD
Contact & Location
Redwood City, CA 94063
Dr. John Costouros is a board-certified orthopedic surgeon practicing in Redwood City, California. A Medicare provider since 2006, Dr. Costouros has performed 90 Medicare-verified shoulder replacements, ranking #5 in California.
In California, Dr. Costouros performs well above average in shoulder (90 vs 31 avg).
Dr. Costouros's Medicare data shows a focused shoulder replacement practice with 90 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
Redwood City is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Redwood City area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Costouros extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 39 to 90 in the most recent data, a 131% increase. This sustained growth reflects an expanding joint replacement practice.
Among 2,213 shoulder replacement surgeons tracked nationally, Dr. Costouros's 90 verified procedures is more than 3x the national average of 29, ranking #61 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. Costouros Compares
Procedure volume compared to the California state average.
Volume Trend Analysis
Dr. Costouros's Medicare-recorded procedure volume has trended upward over 12 years, increasing 131% from 39 procedures in 2013 to 90 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 Shoulder Replacement
If you are considering shoulder replacement surgery, these evidence-based guides can help you prepare and recover:
A step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
Shoulder Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after shoulder replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full shoulder replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Costouros
How does Dr. Costouros's procedure volume compare to other California surgeons?
Dr. Costouros has performed 90 Medicare-verified joint replacement procedures. This is in line with the California average of 68 procedures per surgeon. Dr. Costouros ranks #132 out of 613 orthopedic surgeons in California.
What types of joint replacement does Dr. Costouros perform?
Dr. Costouros's reported Medicare volume is focused on shoulder replacement, with 90 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
How experienced is Dr. Costouros with shoulder replacement surgery?
Dr. Costouros ranks #5 in California for shoulder replacement with 90 Medicare-verified procedures. This high ranking among 613 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Costouros in Redwood City?
Yes. There are 3 orthopedic surgeons in Redwood City 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. Costouros 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. Costouros's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 90 procedures shown here.
Has Dr. Costouros's procedure volume changed over time?
Yes. Dr. Costouros's Medicare-recorded volume has increased from 39 procedures in 2013 to 90 in the most recent data, a 131% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 90 procedures in 2024.
Which hospitals is Dr. Costouros affiliated with?
According to CMS facility affiliation data, Dr. Costouros is affiliated with Washington Hospital, Stanford Health Care, Mills-Peninsula Medical Center, Community Hospital Of The Monterey Peninsula, El Camino Health.
How does Dr. Costouros compare to other orthopedic surgeons in Redwood City?
Among the 3 orthopedic surgeons in Redwood City, Dr. Costouros ranks #2 by total Medicare procedure volume. Dr. Costouros is among the highest-volume surgeons in Redwood City.
What are the quality ratings for hospitals where Dr. Costouros practices?
Washington Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Stanford Health Care (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Mills-Peninsula Medical Center (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 Redwood City, California
Dr. Costouros's 90 Medicare procedures are below the Redwood City average of 112. The table below compares verified procedure volumes for orthopedic surgeons practicing in Redwood City.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Liam Bosch | 177 | Hip, Knee |
| Dr. Neal Berger | 69 | Hip, 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.