Dr. Jay Marumoto is a board-certified orthopedic surgeon practicing in Honolulu, Hawaii. Dr. Marumoto has performed 34 Medicare-verified knee replacements, ranking #7 in Hawaii.
Dr. Marumoto's 34 Medicare procedures are near the Hawaii median of 46. The state has 15 orthopedic surgeons in the current Medicare dataset. Medicare fee-for-service data captures roughly 33–37% of all joint replacements, so total surgical volume is likely higher.
Dr. Marumoto's Medicare data shows a focused knee replacement practice with 34 verified procedures in 2023. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
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.
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.
Verified Case Volume Trends (2013-Current)
Frequently Asked Questions About Dr. Marumoto
How does Dr. Marumoto's procedure volume compare to other Hawaii surgeons?
Dr. Marumoto has performed 34 Medicare-verified joint replacement procedures. The Hawaii average is 55 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Marumoto ranks #10 out of 15 orthopedic surgeons in Hawaii.
What types of joint replacement does Dr. Marumoto perform?
Dr. Marumoto's reported Medicare volume is focused on knee replacement, with 34 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
How experienced is Dr. Marumoto with knee replacement surgery?
Dr. Marumoto ranks #7 in Hawaii for knee replacement with 34 Medicare-verified procedures. This high ranking among 15 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Marumoto 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. Marumoto 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. Marumoto's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 34 procedures shown here.
Other Orthopedic Surgeons in Honolulu, Hawaii
Compare Dr. Marumoto's volume with other surgeons practicing in Honolulu.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Cass Nakasone | 146 | Hip, Knee |
| 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. Andrew Richardson | 28 | Hip, Knee |
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Honolulu, HI 96814