NPPES file of Aug 9, 2026

Gilbert Masayaki Korenaga

Anesthesiology Physician · Honolulu, HI

Gilbert Masayaki Korenaga is an anesthesiology physician with a practice address in Honolulu, Hawaii, and NPI 1700985850, issued on Sep 22, 2006. Check the license (Hawaii 05318, 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
1700985850
Name
Gilbert Masayaki Korenaga
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
05318 HI
Self-reported in NPPES; status is on the state search
Practice location
1301 Punchbowl St, Honolulu, HI 96813
Phone
(808) 538-9011
Enumerated
Sep 22, 2006
Record last updated
Aug 23, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicaid ID
01895201 HI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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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 Gilbert Masayaki Korenaga in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license 05318
    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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87% fewer Medicare Part D claims than the average anesthesiology physician in 2024

53 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D.

  1. Gilbert Korenaga53
  2. Specialty average402

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Gilbert Masayaki Korenaga among 231 anesthesiology physician records in Hawaii

Gilbert Masayaki Korenaga is one of 231 anesthesiology physician records with a practice address in Hawaii. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 48% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2010 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

151 anesthesiology physician records list a practice address in Honolulu

They are 151 of the 12,408 NPPES records with a practice address in Honolulu, and 231 anesthesiology physician records in Hawaii.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Wei Chao, MDHonolulu, HI 968131881767721
  2. Donald Gaucher, MDHonolulu, HI 968131407871973
  3. Yong Goh, MDHonolulu, HI 968131972663060
  4. Bradley Hall, M.D.Honolulu, HI 968131174617195
  5. Millicent Khaw, M.D.Honolulu, HI 968131235201278
  6. Curtis Lavatai, M.D.Honolulu, HI 968131689742199
  7. Duncan Macdonald, M.D.Honolulu, HI 968131871658591
  8. Pamela Nunn, M.D.Honolulu, HI 968131346348539

Common questions

What is Gilbert Masayaki Korenaga's NPI number?

Gilbert Masayaki Korenaga's National Provider Identifier (NPI) is 1700985850, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gilbert Masayaki Korenaga located?

The NPPES record lists a practice address at 1301 Punchbowl St, Honolulu, HI, 96813. Phone: (808) 538-9011. Providers update this record themselves, so call before visiting.

How can I verify Gilbert Masayaki Korenaga's license?

NPPES lists Hawaii license number 05318, 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.

How much does Gilbert Masayaki Korenaga prescribe under Medicare Part D?

In 2024, Gilbert Masayaki Korenaga had 53 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.

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.