Quick answers
- Does Gareth K. Nakasone accept Medicare assignment?
- Yes. Medicare's clinician data says Gareth K. Nakasone accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Gareth K. Nakasone see?
- In 2024, CMS data shows 142 Original Medicare patients and 175 services for Gareth K. Nakasone. This counts Original Medicare only and measures volume, not quality.
- What is Gareth K. Nakasone's NPI number?
- 1235321290. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Gareth K. Nakasone, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 142 |
|---|---|
| Services billed to Medicare | 175 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Anesthesia for lens surgery (00142)91 services
- Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (01810)23 services
- Anesthesia for retinal surgery (00145)17 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure71%
- Arthritis36%
- Diabetes35%
- Chronic kidney disease31%
- Osteoporosis23%
Practice locations
Addresses where Gareth K. Nakasone is enrolled with Medicare (CMS data updated October 2, 2026).
- 888 S King StHonolulu, HI 96813 (808) 522‑4000
Group practices
Medicare enrollment lists Gareth K. Nakasone as a member of this group (CMS data updated October 2, 2026).
- Straub Clinic and Hospital419 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Honolulu
Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.
Other clinicians in Straub Clinic and Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Hawaii John A. Burns School Of Medicine |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235321290 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians