Registry data as of Aug 27, 2026

Joan Kagawa, M.D.

Psychiatry Physician · Honolulu, HI

Joan Kagawa, M.D. is a psychiatry physician with a practice address in Honolulu, Hawaii, and NPI 1184710816, issued on Oct 4, 2006. Check the license (Hawaii MD11344, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1184710816
Name
Joan Kagawa
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
MD11344 HI
Self-reported in NPPES; status is on the state search
Practice location
4218 Waialae Avenue, Honolulu, HI 96816
Phone
(808) 735-0007
Enumerated
Oct 4, 2006
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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Verify Joan Kagawa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD11344
    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.

72% fewer Medicare Part D claims than the average psychiatry physician in 2024

286 Medicare Part D claims for 49 beneficiaries, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Joan Kagawa286
  2. Specialty average1,010

Most prescribed

  1. Clozapine31 claims
  2. Invega Sustenna29 claims
  3. Haloperidol17 claims
  4. Divalproex Sodium Er13 claims
  5. Risperidone13 claims
  6. Olanzapine12 claims

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.

170 psychiatry physician records list a Honolulu practice address

They are 170 of the 12,408 NPPES records with a Honolulu practice address, and 323 psychiatry physician records in Hawaii.

Other psychiatry physician records in Hawaii

  1. Janette AbramowitzHonolulu, HI1275952335
  2. Roman Anthony Acierto, D.O.Honolulu, HI1710128723
  3. Ryan Adachi, DOHonolulu, HI1295471704
  4. Joanna Ajex Palvannan, MDHonolulu, HI1497449466
  5. Jeffrey AkakaHonolulu, HI1871707307
  6. Samuel Alexander, DOHonolulu, HI1255969036
  7. Evan Allen, DOTripler Army Medical Center, HI1710547443
  8. Eugene Altman, M.D.Honolulu, HI1720128358
  9. Darius Amjadi, M.D.Honolulu, HI1275639973
  10. Joy Andrade, M.D.Honolulu, HI1336345420

Common questions

What is Joan Kagawa, M.D.'s NPI number?

Joan Kagawa, M.D.'s National Provider Identifier (NPI) is 1184710816, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joan Kagawa, M.D. located?

The NPPES record lists a practice address at 4218 Waialae Avenue, Honolulu, HI, 96816. Phone: (808) 735-0007. Providers update this record themselves, so call before visiting.

How can I verify Joan Kagawa, M.D.'s license?

NPPES lists Hawaii license number MD11344, 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 Joan Kagawa, M.D. prescribe under Medicare Part D?

In 2024, Joan Kagawa, M.D. had 286 Medicare Part D claims for 49 beneficiaries; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.