#41 Knee
#93 Hip

Dr. Jeffrey Zarin, MD

Orthopedic Surgery
149 procedures 2 hospitals Santa Monica, CA
Latest available Medicare data — updated April 2026
Rising Star Top 10% Nationally
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 46 vs 36 avg (4,526 surgeons)
Knee 103 vs 45 avg (6,720 surgeons)

Dr. Jeffrey Zarin is a board-certified orthopedic surgeon practicing in Santa Monica, California. A Medicare provider since 2006, Dr. Zarin has performed 103 Medicare-verified knee replacements (#41 in California) and 46 hip replacements, for a combined total of 149 procedures.

In California, Dr. Zarin performs well above average in knee (103 vs 45 avg), near average in hip (46 vs 41 avg).

Dr. Zarin's reported Medicare volume is split between knee replacements (103 cases) and hip replacements (46 cases).

Santa Monica is home to 9 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 10 years of data. Over that period, recorded procedure volume increased from 82 to 149 in the most recent data, a 82% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Zarin's 103 verified procedures is more than 2x the national average of 45.

Verified Medicare Cases

Knee Replacement
103 verified cases
#41 in California
Hip Replacement
46 verified cases
#93 in California
Estimated total: 400 – 450 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. Zarin Compares

Procedure volume compared to the California state average.

Hip Average
46 Avg: 41
Knee Very High
103 Avg: 45
Dr. Zarin California Average

Contact & Location

Phone: 310-582-7474
2001 Santa Monica Blvd Ste 760w
Santa Monica, CA 90404
NPI: 1588678148
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. Zarin's Medicare-recorded procedure volume has trended upward over 10 years, increasing 82% from 82 procedures in 2013 to 149 in the most recent data.

Years of Data 10
2023 Volume 149
Peak Volume 149 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Saint John'S Health Center
★★★★☆
Santa Monica, CA
Better than national avg
H
Cedar-Sinai Marina Del Rey Hospital
★★★★☆
Marina Del Rey, 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.

Knee Replacement Recovery Overview

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

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

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 149 Medicare-verified joint replacement procedures. This is more than 2x the California average of 65 procedures per surgeon. Dr. Zarin ranks #54 out of 608 orthopedic surgeons in California.

What types of joint replacement does Dr. Zarin perform?

Dr. Zarin's Medicare data shows procedures in knee replacement (103 cases) and hip replacement (46 cases).

Are there other orthopedic surgeons near Dr. Zarin in Santa Monica?

Yes. There are 9 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 149 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 149 in the most recent data, a 82% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 149 procedures in 2023.

Does Dr. Zarin perform more than one type of joint replacement?

Yes. Dr. Zarin's Medicare data shows procedures in knee replacement (103 cases), hip replacement (46 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 9 orthopedic surgeons in Santa Monica, Dr. Zarin ranks #2 by total Medicare procedure volume. Dr. Zarin is among the highest-volume surgeons in Santa Monica.

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 149 Medicare procedures are above the Santa Monica average of 85. The table below compares verified procedure volumes for orthopedic surgeons practicing in Santa Monica.

SurgeonProceduresSpecialties
Dr. Umesh Bhagia 179 Hip, Knee
Dr. Alexandra Stavrakis 72 Hip, Knee
Dr. Michael Gerhardt 67 Hip
Dr. Ryan Stancil 51 Hip, Knee
Dr. Kevin Ehrhart 43 Knee
Dr. Andrew Jensen 37 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. Jeffrey Zarin, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-jeffrey-zarin-santa-monica.html

Link: https://orthoprocedures.com/surgeons/ca/dr-jeffrey-zarin-santa-monica.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.