Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Karen L. Nishimoto

Sees patients in Hilo, HI · Hawaii

Summary

Karen L. Nishimoto is a nurse practitioner at 740 Kilauea Ave, Hilo, HI 96720. Phone: (808) 333-3420. Accepts Medicare assignment. NPI 1992526453. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Nurse practitioner
  • Address: 740 Kilauea Ave, Hilo, HI 96720 · Directions
  • Phone: (808) 333‑3420
  • Medicare: Accepts Medicare assignment
  • Group practice: Maika I Health Corporation
  • School: graduated 2024
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Karen L. Nishimoto, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Karen L. Nishimoto accept Medicare assignment?
Yes. Medicare's clinician data says Karen L. Nishimoto 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.
What is Karen L. Nishimoto's NPI number?
1992526453. 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 Karen L. Nishimoto is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Karen L. Nishimoto as a member of this group (CMS data updated October 2, 2026).

  • Maika I Health Corporation3 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Hawaii →

Other nurse practitioners in Hilo

Clinicians with the same Medicare primary specialty in Hilo, HI — not a recommendation.

All nurse practitioners in Hilo →

Other clinicians in Maika I Health Corporation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2024
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992526453
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians