Dr. Joseph Cooper, M.D.
Dr. Joseph Cooper is a board-certified orthopedic surgeon practicing in Los Angeles, California. A Medicare provider since 2014, Dr. Cooper has performed 30 Medicare-verified hip replacements (#151 in California) and 24 knee replacements, for a combined total of 54 procedures.
In California, Dr. Cooper performs below average in hip (30 vs 41 avg), below average in knee (24 vs 45 avg).
Dr. Cooper's reported Medicare volume is split between hip replacements (30 cases) and knee replacements (24 cases).
Los Angeles is home to 34 orthopedic surgeons in the current Medicare dataset. Patients in the Los Angeles area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Cooper first appears in the Medicare dataset in 2022. With 2 years of recorded data, the longitudinal trend is still developing.
Among 4,526 hip replacement surgeons tracked nationally, Dr. Cooper's 30 verified procedures is near the national average of 36.
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. Cooper Compares
Procedure volume compared to the California state average.
Contact & Location
Los Angeles, CA 90048
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Cooper has 2 years of Medicare procedure data beginning in 2022. Additional years of data will provide a clearer picture of volume trends.
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.
Questions to Ask Your Surgeon Before Joint ReplacementA practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
Outpatient Joint Replacement: A Medicare GuideHow outpatient joint replacement works under Medicare, including eligibility criteria, cost differences, and what to expect with same-day discharge.
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. Cooper
How does Dr. Cooper's procedure volume compare to other California surgeons?
Dr. Cooper has performed 54 Medicare-verified joint replacement procedures. This is in line with the California average of 65 procedures per surgeon. Dr. Cooper ranks #242 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Cooper perform?
Dr. Cooper's Medicare data shows procedures in hip replacement (30 cases) and knee replacement (24 cases).
Are there other orthopedic surgeons near Dr. Cooper in Los Angeles?
Yes. There are 34 orthopedic surgeons in Los Angeles 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. Cooper 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. Cooper's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 54 procedures shown here.
Does Dr. Cooper perform more than one type of joint replacement?
Yes. Dr. Cooper's Medicare data shows procedures in hip replacement (30 cases), knee replacement (24 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Cooper affiliated with?
According to CMS facility affiliation data, Dr. Cooper is affiliated with Saint John'S Health Center, Cedars-Sinai Medical Center.
How does Dr. Cooper compare to other orthopedic surgeons in Los Angeles?
Among the 34 orthopedic surgeons in Los Angeles, Dr. Cooper ranks #10 by total Medicare procedure volume. The highest-volume surgeon in Los Angeles has 198 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Cooper practices?
Saint John'S Health Center (4 out of 5 CMS stars, hip/knee complication rate better than national average); Cedars-Sinai 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 Los Angeles, California
Dr. Cooper's 54 Medicare procedures are below the Los Angeles average of 104. The table below compares verified procedure volumes for orthopedic surgeons practicing in Los Angeles.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Daniel Oakes | 198 | Hip, Knee |
| Dr. John Tiberi | 172 | Hip, Knee |
| Dr. Andrew Spitzer | 91 | Hip, Knee |
| Dr. Vishal Hegde | 83 | Hip, Knee |
| Dr. Micah Adamson | 65 | Hip, Knee |
| Dr. Paul Gilbert | 65 | Hip, Knee |
Patient Reviews & Ratings
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