#181 Knee
#195 Hip

Dr. Ralph Rizk, DO

Orthopedic Surgery
57 procedures 5 hospitals Jacksonville, FL
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 21 vs 36 avg (4,526 surgeons)
Knee 36 vs 45 avg (6,720 surgeons)

Dr. Ralph Rizk is a board-certified orthopedic surgeon practicing in Jacksonville, Florida. A Medicare provider since 2014, Dr. Rizk has performed 36 Medicare-verified knee replacements (#181 in Florida) and 21 hip replacements, for a combined total of 57 procedures.

In Florida, Dr. Rizk performs below average in knee (36 vs 49 avg), below average in hip (21 vs 39 avg).

Dr. Rizk's reported Medicare volume is split between knee replacements (36 cases) and hip replacements (21 cases).

Jacksonville is home to 23 orthopedic surgeons in the current Medicare dataset. Patients in the Jacksonville area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs. Dr. Rizk also maintains hospital privileges in FL and GA, indicating a regional practice that extends beyond Florida.

Dr. Rizk's Medicare record spans 3 years from 2021 through 2023. Procedure volume has remained consistent during that period, ranging from 50 to 57 procedures per year, reflecting a steady joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Rizk's 36 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
36 verified cases
#181 in Florida
Hip Replacement
21 verified cases
#195 in Florida
Estimated total: 150 – 170 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. Rizk Compares

Procedure volume compared to the Florida state average.

Hip Below Avg
21 Avg: 39
Knee Below Avg
36 Avg: 49
Dr. Rizk Florida Average

Contact & Location

Phone: 904-328-5979
1045 Riverside Ave Ste 100
Jacksonville, FL 32204
NPI: 1144629205
Credentials: DO
Active Medicare provider (NPI verified)
12 years of practice experience
Licensed DO
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Rizk's procedure volume has been consistent across 3 years of Medicare data, ranging from 50 to 57 procedures per year. This stability suggests a well-established joint replacement practice.

Years of Data 3
2023 Volume 57
Peak Volume 57 (2023)
Trend Stable

Hospital Affiliations & Quality

H
Baptist Medical Center Jacksonville
★★★★☆
Jacksonville, FL
Similar to national avg
H
Ascension St Vincent'S Riverside
★★☆☆☆
Jacksonville, FL
Similar to national avg
H
Ascension St Vincent'S Clay County
★★★☆☆
Middleburg, FL
Similar to national avg
H
Memorial Satilla Health
★★★☆☆
Waycross, GA
Low case volume
H
Ed Fraser Memorial Hospital
Macclenny, FL

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. Rizk

How does Dr. Rizk's procedure volume compare to other Florida surgeons?

Dr. Rizk has performed 57 Medicare-verified joint replacement procedures. The Florida average is 72 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Rizk ranks #225 out of 509 orthopedic surgeons in Florida.

What types of joint replacement does Dr. Rizk perform?

Dr. Rizk's Medicare data shows procedures in knee replacement (36 cases) and hip replacement (21 cases).

Are there other orthopedic surgeons near Dr. Rizk in Jacksonville?

Yes. There are 23 orthopedic surgeons in Jacksonville 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 Florida surgeons.

What does the Medicare data for Dr. Rizk 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. Rizk's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 57 procedures shown here.

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

Dr. Rizk's procedure volume has been relatively stable over 3 years of Medicare data, ranging from 50 to 57 procedures per year between 2021 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.

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

Yes. Dr. Rizk's Medicare data shows procedures in knee replacement (36 cases), hip replacement (21 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Rizk affiliated with?

According to CMS facility affiliation data, Dr. Rizk is affiliated with Baptist Medical Center Jacksonville, Ascension St Vincent'S Riverside, Ascension St Vincent'S Clay County, Memorial Satilla Health, Ed Fraser Memorial Hospital. Dr. Rizk maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.

How does Dr. Rizk compare to other orthopedic surgeons in Jacksonville?

Among the 23 orthopedic surgeons in Jacksonville, Dr. Rizk ranks #16 by total Medicare procedure volume. The highest-volume surgeon in Jacksonville has 324 verified Medicare procedures.

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

Baptist Medical Center Jacksonville (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Ascension St Vincent'S Riverside (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Ascension St Vincent'S Clay County (3 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 Jacksonville, Florida

Dr. Rizk's 57 Medicare procedures are below the Jacksonville average of 172. The table below compares verified procedure volumes for orthopedic surgeons practicing in Jacksonville.

SurgeonProceduresSpecialties
Dr. John Redmond 324 Hip, Knee
Dr. Gavan Duffy 176 Hip, Knee
Dr. Phillip Bell 174 Hip, Knee
Dr. Brett Frykberg 163 Hip, Knee
Dr. Bryan Springer 154 Hip, Knee
Dr. William Pujadas 153 Hip, Knee, 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. Ralph Rizk, DO -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/fl/dr-ralph-rizk-jacksonville.html

Link: https://orthoprocedures.com/surgeons/fl/dr-ralph-rizk-jacksonville.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.