Quick answers
- Where does Ken Nagahiro see patients?
- Medicare's clinician data lists 1 practice location in Ewa Beach, HI. Call before your visit to confirm the address.
- What is Ken Nagahiro's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Ken Nagahiro accept Medicare assignment?
- Yes. Medicare's clinician data says Ken Nagahiro accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Ken Nagahiro?
- (808) 689-7911, as listed in official Medicare / NPI Registry data.
- What is Ken Nagahiro's NPI number?
- 1598717902. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ken Nagahiro is enrolled with Medicare (CMS data updated 2026-10-02).
- 91 -803 Papipi RdEwa Beach, HI 96706 (808) 689‑7911
Specialties
- Optometryprimary
Other optometrists in Hawaii
Clinicians with the same Medicare primary specialty in Hawaii — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Pacific University - College Of Optometry |
| Graduation year | 1970 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598717902 |
| 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 2026-10-02, retrieved 2026-10-29
- 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