Dr. Nader Nassif, M.D.

Orthopedic Surgery
256 procedures 2 hospitals Newport Beach, CA
Latest available Medicare data — updated April 2026
Growing Volume Top 10% Nationally

Contact & Location

Phone: 949-722-7038
Practice phone listed in the NPI registry
22 Corporate Plaza Dr
Newport Beach, CA 92660
NPI: 1629262183
Credentials: M.D.
Active Medicare provider (NPI verified)
19 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 138 vs 36 avg (4,532 surgeons)
Knee 118 vs 45 avg (6,599 surgeons)

Dr. Nader Nassif is a board-certified orthopedic surgeon practicing in Newport Beach, California. A Medicare provider since 2007, Dr. Nassif has performed 138 Medicare-verified hip replacements (#11 in California) and 118 knee replacements, for a combined total of 256 procedures.

In California, Dr. Nassif performs well above average in hip (138 vs 41 avg), well above average in knee (118 vs 47 avg).

Dr. Nassif's reported Medicare volume is split between hip replacements (138 cases) and knee replacements (118 cases).

Beyond general orthopedic surgery, Dr. Nassif holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.

Newport Beach is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Newport Beach area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Nassif extend back to 2014, covering 11 years of data. Over that period, recorded procedure volume increased from 20 to 256 in the most recent data, a 1180% increase. This sustained growth reflects an expanding joint replacement practice.

Among 4,532 hip replacement surgeons tracked nationally, Dr. Nassif's 138 verified procedures is more than 3x the national average of 36, ranking #38 nationally.

Verified Medicare Cases

Hip Replacement
138 verified cases
#11 in California
Knee Replacement
118 verified cases
#39 in California
Estimated total: 690 – 780 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. Nassif Compares

Procedure volume compared to the California state average.

Hip Very High
138 Avg: 41
Knee Very High
118 Avg: 47
Dr. Nassif California Average

Volume Trend Analysis

Dr. Nassif's Medicare-recorded procedure volume has trended upward over 11 years, increasing 1180% from 20 procedures in 2014 to 256 in the most recent data.

Years of Data 11
2024 Volume 256
Peak Volume 257 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Hoag Orthopedic Institute
Irvine, CA
Similar to national avg
H
Hoag Memorial Hospital Presbyterian
5/5
Newport Beach, CA

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:

Hip Replacement Recovery Overview

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

Week 1-2 Walking with assistive device (walker or cane). Gentle range-of-motion exercises begin. Most patients can manage basic self-care.
Week 3-6 Transition to walking independently. Resume driving short distances. Physical therapy focuses on strength and balance.
Week 7-12 Return to most daily activities and light exercise. Stair climbing improves. Many patients return to desk work.
Month 4-6 Full recovery for most patients. Resume recreational activities, golf, swimming, and low-impact exercise.

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. Nassif

How does Dr. Nassif's procedure volume compare to other California surgeons?

Dr. Nassif has performed 256 Medicare-verified joint replacement procedures. This is more than 3x the California average of 68 procedures per surgeon. Dr. Nassif ranks #16 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Nassif perform?

Dr. Nassif's Medicare data shows procedures in hip replacement (138 cases) and knee replacement (118 cases).

How experienced is Dr. Nassif with hip replacement surgery?

Dr. Nassif ranks #11 in California for hip replacement with 138 Medicare-verified procedures. This high ranking among 613 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Nassif in Newport Beach?

Yes. There are 7 orthopedic surgeons in Newport 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. Nassif 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. Nassif's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 256 procedures shown here.

Has Dr. Nassif's procedure volume changed over time?

Yes. Dr. Nassif's Medicare-recorded volume has increased from 20 procedures in 2014 to 256 in the most recent data, a 1180% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 257 procedures in 2023.

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

Yes. Dr. Nassif's Medicare data shows procedures in hip replacement (138 cases), knee replacement (118 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Nassif affiliated with?

According to CMS facility affiliation data, Dr. Nassif is affiliated with Hoag Orthopedic Institute, Hoag Memorial Hospital Presbyterian.

How does Dr. Nassif compare to other orthopedic surgeons in Newport Beach?

Among the 7 orthopedic surgeons in Newport Beach, Dr. Nassif ranks #1 by total Medicare procedure volume. Dr. Nassif has the highest verified Medicare volume in the city.

What are the quality ratings for hospitals where Dr. Nassif practices?

Hoag Orthopedic Institute (hip/knee complication rate similar to national average); Hoag Memorial Hospital Presbyterian (5 out of 5 CMS stars). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Newport Beach, California

Dr. Nassif's 256 Medicare procedures are above the Newport Beach average of 114. The table below compares verified procedure volumes for orthopedic surgeons practicing in Newport Beach.

SurgeonProceduresSpecialties
Dr. Michael Hunter 153 Hip, Knee
Dr. Hafiz Kassam 139 Shoulder
Dr. Matthew Siljander 115 Hip, Knee
Dr. Zachary Adler 73 Hip, Knee
Dr. Russell Petrie 34 Shoulder
Dr. David So 31 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.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Nader Nassif, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-nader-nassif-newport-beach.html

Link: https://orthoprocedures.com/surgeons/ca/dr-nader-nassif-newport-beach.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.