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Psychiatry

Michael Chang, MD

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

Summary

Michael Chang, MD (Psychiatry) is enrolled with Medicare at 2 practice locations in Honolulu, HI and Kailua, HI. NPI 1275666257. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael Chang, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

PsychiatryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
29Years since medical school (graduated 1997)
MaleGender (as listed)
Castle Medical CenterGroup practice

Quick answers

Where does Michael Chang see patients?
Medicare's clinician data lists 2 practice locations, including Honolulu, HI and Kailua, HI. Call before your visit to confirm the address.
What is Michael Chang's specialty?
Medicare lists Psychiatry as the primary specialty.
Does Michael Chang accept Medicare assignment?
Yes. Medicare's clinician data says Michael Chang 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.
Does Michael Chang offer telehealth?
Medicare's clinician data says Michael Chang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Michael Chang?
(808) 483-0399, as listed in official Medicare / NPI Registry data.
What is Michael Chang's NPI number?
1275666257. 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 Michael Chang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael Chang as a member of this group (CMS data updated 2026-10-02).

  • Castle Medical Center77 clinicians in the group

Specialties

Find other Psychiatry doctors in Hawaii →

Other psychiatrists in Honolulu

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

All psychiatrists in Honolulu →

Clinician information

CredentialMD
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1275666257
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 2026-10-02, retrieved 2026-10-29
  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