#7 in California
Shoulder

Dr. John Costouros, MD

Orthopedic Surgery
87 procedures 5 hospitals Redwood City, CA
Latest available Medicare data — updated April 2026
Rising Star
Shoulder replacement recovery kit Slings, cold therapy, and adaptive clothing for recovery
National Comparison by Procedure
Shoulder 87 vs 28 avg (2,092 surgeons)

Dr. John Costouros is a board-certified orthopedic surgeon practicing in Redwood City, California. A Medicare provider since 2006, Dr. Costouros has performed 87 Medicare-verified shoulder replacements, ranking #7 in California.

In California, Dr. Costouros performs well above average in shoulder (87 vs 30 avg).

Dr. Costouros's Medicare data shows a focused shoulder replacement practice with 87 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 2 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 11 years of data. Over that period, recorded procedure volume increased from 39 to 87 in the most recent data, a 123% increase. This sustained growth reflects an expanding joint replacement practice.

Among 2,092 shoulder replacement surgeons tracked nationally, Dr. Costouros's 87 verified procedures is more than 3x the national average of 28, ranking #55 nationally.

Verified Medicare Cases

Shoulder Replacement
87 verified cases
#7 in California
Estimated total: 240 – 260 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
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.

Shoulder Very High
87 Avg: 30
Dr. Costouros California Average

Contact & Location

Phone: 650-725-6609
450 Broadway St
Redwood City, CA 94063
NPI: 1437238565
Credentials: MD
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Costouros's Medicare-recorded procedure volume has trended upward over 11 years, increasing 123% from 39 procedures in 2013 to 87 in the most recent data.

Years of Data 11
2023 Volume 87
Peak Volume 87 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Washington Hospital
★★★☆☆
Fremont, CA
Similar to national avg
H
Stanford Health Care
★★★★★
Stanford, CA
Similar to national avg
H
Mills-Peninsula Medical Center
★★★★★
Burlingame, CA
Similar to national avg
H
Community Hospital Of The Monterey Peninsula
★★★☆☆
Monterey, CA
Similar to national avg
H
El Camino Health
★★★★☆
Mountain View, CA
Similar to national avg

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.

Shoulder Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after shoulder replacement surgery:

Week 1-3 Arm in a sling for protection. Gentle pendulum exercises under therapist guidance. Focus on pain management and wound care.
Week 4-6 Gradual sling weaning. Begin passive and active-assisted range-of-motion exercises. Light daily activities resume.
Week 7-12 Active range-of-motion exercises. Light strengthening begins. Most patients can drive and perform desk work.
Month 4-6 Progressive strengthening continues. Return to most activities. Full recovery may take 6-12 months for complete shoulder strength.

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 87 Medicare-verified joint replacement procedures. This is in line with the California average of 65 procedures per surgeon. Dr. Costouros ranks #139 out of 608 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 87 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 #7 in California for shoulder replacement with 87 Medicare-verified procedures. This high ranking among 608 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Costouros in Redwood City?

Yes. There are 2 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 87 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 87 in the most recent data, a 123% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 87 procedures in 2023.

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.

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 87 Medicare procedures are above the Redwood City average of 80. The table below compares verified procedure volumes for orthopedic surgeons practicing in Redwood City.

SurgeonProceduresSpecialties
Dr. Neal Berger 72 Hip, Knee, Shoulder

Patient Reviews & Ratings

OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:

These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.

Cite This Data

APA: OrthoProcedures. (2026). Dr. John Costouros, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-john-costouros-redwood-city.html

Link: https://orthoprocedures.com/surgeons/ca/dr-john-costouros-redwood-city.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.