NPPES file of Aug 9, 2026

Greigh Isamu Hirata, MD

Maternal & Fetal Medicine Physician · Honolulu, HI

Greigh Isamu Hirata, MD is a maternal & fetal medicine physician with a practice address in Honolulu, Hawaii, and NPI 1144378670, issued on Jan 8, 2007. Check the license (Hawaii 7223, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144378670
Name
Greigh Isamu Hirata
Credential
MD
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License number
7223 HI
Self-reported in NPPES; status is on the state search
Practice location
1600 Kapiolani Blvd, Honolulu, HI 96814
Phone
(808) 945-2229
Enumerated
Jan 8, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(808) 945-2230
Medicaid ID
55974201 HI
Medicare enrollment
Enrolled (PECOS I20040322001000); accepts Medicare assignment
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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Also registered at 1600 Kapiolani Blvd

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

  1. Dana Barthlow, L.M.T, NCTMBReflexologist1730484502
  2. Joseph Breuwet, D.C.Chiropractor1013182682
  3. Frances Brown, PHDClinical Psychologist1578571550
  4. Jacqueline Brown-Hitomi, DDSGeneral Practice Dentistry1013924539
  5. Liane ChuBehavior Analyst1952647992
  6. David Dung, DDS MSOrthodontics and Dentofacial Orthopedics Dentistry1508935495

Verify Greigh Isamu Hirata in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license 7223
    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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Industry payments in 2024: $93.98

1 payment: food and beverage; the largest payer was Abbott Laboratories. The 784 providers of this specialty with any payment received $1,252.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Greigh Hirata$93.98
  2. Specialty average$1,252.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Greigh Isamu Hirata among 13 maternal & fetal medicine physician records in Hawaii

Greigh Isamu Hirata, MD is one of 13 maternal & fetal medicine physician records with a practice address in Hawaii. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 15% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Maternal & Fetal Medicine Physician providers in Hawaii

There are 13 maternal & fetal medicine physician records in Hawaii.

The 8 maternal & fetal medicine physician records with the nearest ZIP codes

  1. Brian Pierce, MDHonolulu, HI 968191508912601
  2. Marguerite Bartholomew, M.D.Honolulu, HI 968261124001441
  3. Jacob Garcia, MDHonolulu, HI 968261396150850
  4. Men-Jean Lee, M.D.Honolulu, HI 968261992892871
  5. Dena Towner, M.D.Honolulu, HI 968261962484980
  6. Pai-Jong Stacy Tsai, M.D.Honolulu, HI 968261578769667
  7. Kelly Yamasato, M.D.Honolulu, HI 968261114138450
  8. Ivica Zalud, MDHonolulu, HI 968261770566606

Common questions

What is Greigh Isamu Hirata, MD's NPI number?

Greigh Isamu Hirata, MD's National Provider Identifier (NPI) is 1144378670, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Greigh Isamu Hirata, MD located?

The NPPES record lists a practice address at 1600 Kapiolani Blvd, Honolulu, HI, 96814. Phone: (808) 945-2229. Providers update this record themselves, so call before visiting.

How can I verify Greigh Isamu Hirata, MD's license?

NPPES lists Hawaii license number 7223, 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.

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.