Dr. Cass Nakasone, M.D.
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
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.
Contact & Location
Honolulu, HI 96813
Verified Case Volume Trends (2013-Current)
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.
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.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
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. 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.
| Surgeon | Procedures | Specialties |
|---|---|---|
| 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 |
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