Dr. Cass Nakasone, M.D.
Contact & Location
808-522-4000
Honolulu, HI 96813
About Dr. Nakasone
Dr. Cass Nakasone is a board-certified orthopedic surgeon practicing in Honolulu, Hawaii. A Medicare provider since 2006, Dr. Nakasone performed 60 Medicare-verified hip replacements (#2 in Hawaii) and 59 knee replacements in the latest annual CMS data, for a combined total of 119 procedures.
In Hawaii, Dr. Nakasone performs above the state average in hip (60 vs 33), above the state average in knee (59 vs 33).
Dr. Nakasone's reported Medicare volume is split between hip replacements (60 cases) and knee replacements (59 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 data spans 12 years, beginning in 2013. Volume peaked at 165 procedures in 2013 before settling at 119 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Among 4,532 hip replacement surgeons tracked nationally, Dr. Nakasone's 60 verified procedures is above the national average of 36.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 63 | 102 |
| 2014 | 57 | 90 |
| 2015 | 58 | 83 |
| 2016 | 68 | 68 |
| 2017 | 62 | 64 |
| 2018 | 65 | 72 |
| 2019 | 66 | 61 |
| 2020 | 53 | 43 |
| 2021 | 49 | 65 |
| 2022 | 74 | 72 |
| 2023 | 70 | 76 |
| 2024 | 60 | 59 |
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.
Volume Trend Analysis
Dr. Nakasone's recorded volume peaked at 165 procedures in 2013 and stood at 119 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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 Hip Replacement
If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:
Understanding the progression from conservative treatments to surgical intervention, and how to determine when hip replacement becomes the right choice.
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.
Hip Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:
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. Nakasone
How does Dr. Nakasone's procedure volume compare to other Hawaii surgeons?
Dr. Nakasone has performed 119 Medicare-verified joint replacement procedures. This is more than 2x the Hawaii average of 57 procedures per surgeon. Dr. Nakasone ranks #1 out of 14 orthopedic surgeons in Hawaii.
What types of joint replacement does Dr. Nakasone perform?
Dr. Nakasone's Medicare data shows procedures in hip replacement (60 cases) and knee replacement (59 cases).
How experienced is Dr. Nakasone with hip replacement surgery?
Dr. Nakasone ranks #2 in Hawaii for hip replacement with 60 Medicare-verified procedures. This high ranking among 14 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 119 procedures shown here.
Has Dr. Nakasone's procedure volume changed over time?
Dr. Nakasone's Medicare-recorded volume peaked at 165 procedures in 2013 and was 119 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.
Does Dr. Nakasone perform more than one type of joint replacement?
Yes. Dr. Nakasone's Medicare data shows procedures in hip replacement (60 cases), knee replacement (59 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 119 Medicare procedures are above the Honolulu average of 71. The table below compares verified procedure volumes for orthopedic surgeons practicing in Honolulu.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jeffery Harpstrite | 108 | Hip, Knee |
| Dr. Jason Kaneshige | 67 | Hip, Knee |
| Dr. Paul Morton | 65 | Hip, Knee |
| Dr. Joseph Varcadipane | 56 | Hip, Knee |
| Dr. Andrew Richardson | 52 | Hip, Knee |
| Dr. Jay Marumoto | 32 | 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.