#1 Hip
#1 Knee

Dr. Cass Nakasone, M.D.

Orthopedic Surgery
146 procedures 2 hospitals Honolulu, HI
Latest available Medicare data — updated April 2026
Volume Leader Top 10% Nationally
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 70 vs 36 avg (4,526 surgeons)
Knee 76 vs 45 avg (6,720 surgeons)

Dr. Cass Nakasone is a board-certified orthopedic surgeon practicing in Honolulu, Hawaii. A Medicare provider since 2006, Dr. Nakasone has performed 76 Medicare-verified knee replacements (#1 in Hawaii) and 70 hip replacements, for a combined total of 146 procedures.

In Hawaii, Dr. Nakasone performs above average in knee (76 vs 40 avg), well above average in hip (70 vs 30 avg).

Dr. Nakasone's reported Medicare volume is split between knee replacements (76 cases) and hip replacements (70 cases).

Honolulu is home to 8 orthopedic surgeons in the current Medicare dataset. Patients in the Honolulu area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Nakasone's Medicare record spans 11 years from 2013 through 2023. Procedure volume has remained consistent during that period, ranging from 96 to 165 procedures per year, reflecting a steady joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Nakasone's 76 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
76 verified cases
#1 in Hawaii
Hip Replacement
70 verified cases
#1 in Hawaii
Estimated total: 390 – 440 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. Nakasone Compares

Procedure volume compared to the Hawaii state average.

Hip Very High
70 Avg: 30
Knee High
76 Avg: 40
Dr. Nakasone Hawaii Average

Contact & Location

Phone: 808-522-4000
888 S King St
Honolulu, HI 96813
NPI: 1316011091
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Nakasone's procedure volume has been consistent across 11 years of Medicare data, ranging from 96 to 165 procedures per year. This stability suggests a well-established joint replacement practice.

Years of Data 11
2023 Volume 146
Peak Volume 165 (2013)
Trend Stable

Hospital Affiliations & Quality

H
Straub Clinic And Hospital
★★★★☆
Honolulu, HI
Similar to national avg
H
The Queens Medical Center
★★★☆☆
Honolulu, HI
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. Nakasone

How does Dr. Nakasone's procedure volume compare to other Hawaii surgeons?

Dr. Nakasone has performed 146 Medicare-verified joint replacement procedures. This is more than 2x the Hawaii average of 55 procedures per surgeon. Dr. Nakasone ranks #1 out of 15 orthopedic surgeons in Hawaii.

What types of joint replacement does Dr. Nakasone perform?

Dr. Nakasone's Medicare data shows procedures in knee replacement (76 cases) and hip replacement (70 cases).

How experienced is Dr. Nakasone with knee replacement surgery?

Dr. Nakasone ranks #1 in Hawaii for knee replacement with 76 Medicare-verified procedures. This high ranking among 15 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Nakasone in Honolulu?

Yes. There are 8 orthopedic surgeons in Honolulu 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 Hawaii surgeons.

What does the Medicare data for Dr. Nakasone 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. Nakasone's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 146 procedures shown here.

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

Dr. Nakasone's procedure volume has been relatively stable over 11 years of Medicare data, ranging from 96 to 165 procedures per year between 2013 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.

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

Yes. Dr. Nakasone's Medicare data shows procedures in knee replacement (76 cases), hip replacement (70 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Nakasone affiliated with?

According to CMS facility affiliation data, Dr. Nakasone is affiliated with Straub Clinic And Hospital, The Queens Medical Center.

How does Dr. Nakasone compare to other orthopedic surgeons in Honolulu?

Among the 8 orthopedic surgeons in Honolulu, Dr. Nakasone ranks #1 by total Medicare procedure volume. Dr. Nakasone has the highest verified Medicare volume in the city.

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

Straub Clinic And Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); The Queens Medical Center (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 Honolulu, Hawaii

Dr. Nakasone's 146 Medicare procedures are above the Honolulu average of 73. The table below compares verified procedure volumes for orthopedic surgeons practicing in Honolulu.

SurgeonProceduresSpecialties
Dr. Jeffery Harpstrite 106 Hip, Knee
Dr. Paul Morton 92 Hip, Knee
Dr. Joseph Varcadipane 59 Hip, Knee
Dr. Jason Kaneshige 44 Hip, Knee
Dr. Jay Marumoto 34 Knee
Dr. Andrew Richardson 28 Hip, Knee

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. Cass Nakasone, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/hi/dr-cass-nakasone-honolulu.html

Link: https://orthoprocedures.com/surgeons/hi/dr-cass-nakasone-honolulu.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.