Dr. Gareth Hammond, M.D.
Dr. Gareth Hammond is a board-certified orthopedic surgeon practicing in Long Beach, California. A Medicare provider since 2007, Dr. Hammond has performed 37 Medicare-verified knee replacements (#200 in California) and 25 shoulder replacements, for a combined total of 62 procedures.
In California, Dr. Hammond performs near average in knee (37 vs 45 avg), near average in shoulder (25 vs 30 avg).
Dr. Hammond's reported Medicare volume is split between knee replacements (37 cases) and shoulder replacements (25 cases).
Long Beach is home to 6 orthopedic surgeons in the current Medicare dataset. Patients in the Long Beach area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Hammond extend back to 2014, covering 10 years of data. Over that period, recorded procedure volume increased from 33 to 62 in the most recent data, a 88% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Hammond's 37 verified procedures is near the national average of 45.
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. Hammond Compares
Procedure volume compared to the California state average.
Contact & Location
Long Beach, CA 90813
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Hammond's Medicare-recorded procedure volume has trended upward over 10 years, increasing 88% from 33 procedures in 2014 to 62 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 Knee Replacement
If you are considering knee replacement surgery, these evidence-based guides can help you prepare and recover:
An overview of current surgical approaches including robotic-assisted and minimally invasive techniques, implant options, and expected outcomes.
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.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
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.
Knee Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full knee replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Hammond
How does Dr. Hammond's procedure volume compare to other California surgeons?
Dr. Hammond has performed 62 Medicare-verified joint replacement procedures. This is in line with the California average of 65 procedures per surgeon. Dr. Hammond ranks #215 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Hammond perform?
Dr. Hammond's Medicare data shows procedures in knee replacement (37 cases) and shoulder replacement (25 cases).
Are there other orthopedic surgeons near Dr. Hammond in Long Beach?
Yes. There are 6 orthopedic surgeons in Long Beach 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. Hammond 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. Hammond's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 62 procedures shown here.
Has Dr. Hammond's procedure volume changed over time?
Yes. Dr. Hammond's Medicare-recorded volume has increased from 33 procedures in 2014 to 62 in the most recent data, a 88% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 62 procedures in 2023.
Does Dr. Hammond perform more than one type of joint replacement?
Yes. Dr. Hammond's Medicare data shows procedures in knee replacement (37 cases), shoulder replacement (25 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Hammond affiliated with?
According to CMS facility affiliation data, Dr. Hammond is affiliated with Animas Surgical Hospital, Llc. Dr. Hammond maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
How does Dr. Hammond compare to other orthopedic surgeons in Long Beach?
Among the 6 orthopedic surgeons in Long Beach, Dr. Hammond ranks #3 by total Medicare procedure volume. Dr. Hammond is among the highest-volume surgeons in Long Beach.
What are the quality ratings for hospitals where Dr. Hammond practices?
Animas Surgical Hospital, Llc (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 Long Beach, California
Dr. Hammond's 62 Medicare procedures are above the Long Beach average of 49. The table below compares verified procedure volumes for orthopedic surgeons practicing in Long Beach.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Peter Kurzweil | 85 | Knee |
| Dr. Albert Tsai | 65 | Hip, Knee |
| Dr. Shahryar Ahmadi | 46 | Shoulder |
| Dr. William Warden | 23 | Knee |
| Dr. Mahmood Jazayeri | 13 | Knee |
Patient Reviews & Ratings
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