Dr. Jeffrey Zarin, MD
Contact & Location
Santa Monica, CA 90404
Dr. Jeffrey Zarin is a board-certified orthopedic surgeon practicing in Santa Monica, California. A Medicare provider since 2006, Dr. Zarin has performed 122 Medicare-verified knee replacements (#34 in California) and 51 hip replacements, for a combined total of 173 procedures.
In California, Dr. Zarin performs well above average in knee (122 vs 47 avg), above average in hip (51 vs 41 avg).
Dr. Zarin's reported Medicare volume is split between knee replacements (122 cases) and hip replacements (51 cases).
Santa Monica is home to 11 orthopedic surgeons in the current Medicare dataset. Patients in the Santa Monica area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Zarin extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 82 to 173 in the most recent data, a 111% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Zarin's 122 verified procedures is more than 2x the national average of 45.
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. Zarin Compares
Procedure volume compared to the California state average.
Volume Trend Analysis
Dr. Zarin's Medicare-recorded procedure volume has trended upward over 11 years, increasing 111% from 82 procedures in 2013 to 173 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.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
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.
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. Zarin
How does Dr. Zarin's procedure volume compare to other California surgeons?
Dr. Zarin has performed 173 Medicare-verified joint replacement procedures. This is more than 2x the California average of 68 procedures per surgeon. Dr. Zarin ranks #54 out of 613 orthopedic surgeons in California.
What types of joint replacement does Dr. Zarin perform?
Dr. Zarin's Medicare data shows procedures in knee replacement (122 cases) and hip replacement (51 cases).
Are there other orthopedic surgeons near Dr. Zarin in Santa Monica?
Yes. There are 11 orthopedic surgeons in Santa Monica 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. Zarin 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. Zarin's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 173 procedures shown here.
Has Dr. Zarin's procedure volume changed over time?
Yes. Dr. Zarin's Medicare-recorded volume has increased from 82 procedures in 2013 to 173 in the most recent data, a 111% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 173 procedures in 2024.
Does Dr. Zarin perform more than one type of joint replacement?
Yes. Dr. Zarin's Medicare data shows procedures in knee replacement (122 cases), hip replacement (51 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Zarin affiliated with?
According to CMS facility affiliation data, Dr. Zarin is affiliated with Saint John'S Health Center, Cedar-Sinai Marina Del Rey Hospital.
How does Dr. Zarin compare to other orthopedic surgeons in Santa Monica?
Among the 11 orthopedic surgeons in Santa Monica, Dr. Zarin ranks #1 by total Medicare procedure volume. Dr. Zarin has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. Zarin practices?
Saint John'S Health Center (4 out of 5 CMS stars, hip/knee complication rate better than national average); Cedar-Sinai Marina Del Rey Hospital (4 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 Santa Monica, California
Dr. Zarin's 173 Medicare procedures are above the Santa Monica average of 88. The table below compares verified procedure volumes for orthopedic surgeons practicing in Santa Monica.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Umesh Bhagia | 156 | Hip, Knee, Shoulder |
| Dr. Michael Gerhardt | 105 | Hip |
| Dr. Alexandra Stavrakis | 69 | Hip, Knee |
| Dr. Kevin Ehrhart | 46 | Knee |
| Dr. Ryan Bennett | 34 | Knee |
| Dr. Kevin Ilo | 33 | 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.