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Psychiatry

Jayson T. Masaki, MD

Sees patients in Mililani, HI · Hawaii

Summary

Dr. Jayson T. Masaki, MD is a psychiatrist at 100 Kahelu Ave, Suite 232, Mililani, HI 96789. Phone: (808) 207-9800. Accepts Medicare assignment. NPI 1972985588. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 100 Kahelu Ave, Suite 232, Mililani, HI 96789 · Directions
  • Phone: (808) 207‑9800
  • Medicare: Accepts Medicare assignment
  • Group practice: Fields Psychiatric Consultants LLC
  • Medical school: graduated 2013 (13 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jayson T. Masaki, 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 Jayson T. Masaki accept Medicare assignment?
Yes. Medicare's clinician data says Jayson T. Masaki 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 Jayson T. Masaki's NPI number?
1972985588. 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 Jayson T. Masaki is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jayson T. Masaki as a member of this group (CMS data updated October 2, 2026).

  • Fields Psychiatric Consultants LLC14 clinicians in the group

Specialties

Find other Psychiatry doctors in Hawaii →

Other psychiatrists in Hawaii

Clinicians with the same Medicare primary specialty in Hawaii — not a recommendation.

All psychiatrists in Hawaii →

Other clinicians in Fields Psychiatric Consultants LLC

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

Clinician information

CredentialMD
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972985588
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