NPPES file of Aug 9, 2026

Ian Nagata, DO

Psychiatry Physician · Honolulu, HI

Ian Nagata, DO is a psychiatry physician with a practice address in Honolulu, Hawaii, and NPI 1194173963, issued on Jun 2, 2016. Check the license (Hawaii DOS1824, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194173963
Name
Ian Nagata
Credential
DO
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
DOS1824 HI
Self-reported in NPPES; status is on the state search
Practice location
1301 Punchbowl St, Honolulu, HI 96813
Phone
(808) 691-1000
Enumerated
Jun 2, 2016
Record last updated
May 2, 2025
Medicare enrollment
Enrolled (PECOS I20251015003842); accepts Medicare assignment
Medical or professional school
Touro Un Col Of Osteopathic Medicine, Henderson, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychiatry physician records → All 331 in Hawaii → Look up another NPI →

Also registered at 1301 Punchbowl St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brenda Abbotnakandakari, RNDiabetes Educator Registered Nurse1760705248
  2. Janette AbramowitzPsychiatry Physician1275952335
  3. Natalie AdolfPhysician Assistant1396282414
  4. Hessam Afshari, MDEmergency Medicine Physician1811217573
  5. Cheryl Ann Afuso-Sumimoto, APRNOncology Clinical Nurse Specialist1750929253
  6. Kyan Renie AgbayaniInternal Medicine Physician1083101323

Verify Ian Nagata in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license DOS1824    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Hawaii license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Queens University Medical GroupHonolulu, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ian Nagata among 331 psychiatry physician records in Hawaii

Ian Nagata, DO is one of 331 psychiatry physician records with a practice address in Hawaii. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 75% of them.

  • NPI issued2016 · 75% of these records are older, 23% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileYes · 33% of these records are
  • Graduated2016 · median 2003 among the 110 with a school on file
  • Record last updated2025 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

175 psychiatry physician records list a practice address in Honolulu

They are 175 of the 12,408 NPPES records with a practice address in Honolulu, and 331 psychiatry physician records in Hawaii.

All 331 in Hawaii → Every provider in Honolulu → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Darius Amjadi, M.D.Honolulu, HI 968131275639973
  2. Helen Blaisdell-Brennan, M.D.Honolulu, HI 968131427063122
  3. David Des Jarlais, MDHonolulu, HI 968131275625659
  4. Evarts Fox, M.D.Honolulu, HI 968131033158043
  5. Perry Heintz, M.D.Honolulu, HI 968131457394066
  6. Stephen Kemble, M.D.Honolulu, HI 968131497759195
  7. Nancy Luckie, M.D.Honolulu, HI 968131760578116
  8. Kenneth Luke, M.D.Honolulu, HI 968131699779397

Common questions

What is Ian Nagata, DO's NPI number?

Ian Nagata, DO's National Provider Identifier (NPI) is 1194173963, issued on Jun 2, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Ian Nagata, DO located?

The NPPES record lists a practice address at 1301 Punchbowl St, Honolulu, HI, 96813. Phone: (808) 691-1000. Providers update this record themselves, so call before visiting.

How can I verify Ian Nagata, DO's license?

NPPES lists Hawaii license number DOS1824, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.