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Physician Assistant

Chiara P. Castelli, PA

Sees patients in Hilo, HI · Honolulu, HI · Hawaii

Summary

Chiara P. Castelli, PA is a physician assistant at 1292 Waianuenue Ave, Hilo, HI 96720. Phone: (808) 934-4000. Accepts Medicare assignment. NPI 1538546981. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Physician assistant
  • Address: 1292 Waianuenue Ave, Hilo, HI 96720 · Directions (1 more location)
  • Phone: (808) 934‑4000
  • Medicare: Accepts Medicare assignment
  • Group practice: Hawaii Permanente Medical Group Inc
  • School: graduated 2015
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Chiara P. Castelli, 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 Chiara P. Castelli accept Medicare assignment?
Yes. Medicare's clinician data says Chiara P. Castelli 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 Chiara P. Castelli's NPI number?
1538546981. 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 Chiara P. Castelli is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Chiara P. Castelli as a member of this group (CMS data updated October 2, 2026).

  • Hawaii Permanente Medical Group Inc704 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Hawaii →

Other physician assistants in Hilo

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

All physician assistants in Hilo →

Other clinicians in Hawaii Permanente Medical Group Inc

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

Clinician information

CredentialPA
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538546981
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