NPPES file of Aug 9, 2026

Cawin Wong Mizuba, M.D.

Internal Medicine Physician · Honolulu, HI

Cawin Wong Mizuba, M.D. is an internal medicine physician with a practice address in Honolulu, Hawaii, and NPI 1982946539, issued on Mar 21, 2013. Check the license (Hawaii MD18466, 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
1982946539
Name
Cawin Wong Mizuba
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD18466 HI
Self-reported in NPPES; status is on the state search
Practice location
377 Keahole St, Honolulu, HI 96825
Phone
(808) 396-6675
Enumerated
Mar 21, 2013
Record last updated
Jan 17, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160824002073); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 377 Keahole St

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

  1. Kevin Adams, MDInternal Medicine Physician1275640567
  2. Gary Ahn, MDSports Medicine (Internal Medicine) Physician1639260441
  3. Christopher Brace, D.O.Geriatric Medicine (Family Medicine) Physician1194831537
  4. Nora Chan, O.D.Optometrist1710931589
  5. Taryn ChangPharmacist1952999765
  6. Elizabeth Char, M.D.Emergency Medicine Physician1083725824

Verify Cawin Wong Mizuba in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD18466
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

51% more Medicare Part D claims than the average internal medicine physician in 2024

4,809 Medicare Part D claims for 452 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Cawin Wong Mizuba4,809
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium468 claims
  2. Losartan Potassium364 claims
  3. Amlodipine Besylate276 claims
  4. Rosuvastatin Calcium276 claims
  5. Levothyroxine Sodium227 claims
  6. Alendronate Sodium158 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.

One hospital affiliation

  1. Straub Clinic And HospitalHonolulu, HI · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Cawin Wong Mizuba among 902 internal medicine physician records in Hawaii

Cawin Wong Mizuba, M.D. is one of 902 internal medicine physician records with a practice address in Hawaii. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 68% of them.

  • NPI issued2013 · 68% of these records are older, 31% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2013 · median 2001 among the 491 with a school on file
  • Record last updated2017 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

579 internal medicine physician records list a practice address in Honolulu

They are 579 of the 12,408 NPPES records with a practice address in Honolulu, and 902 internal medicine physician records in Hawaii.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kevin Adams, MDHonolulu, HI 968251275640567
  2. Tushar Desai, MDHonolulu, HI 968251851890453
  3. Larry Hsu, MDHonolulu, HI 968251649137647
  4. Melanie Lee, MDHonolulu, HI 968251104910686
  5. Yvonne Lum, MDHonolulu, HI 968251093192007
  6. Ronald Moore, M.D.Honolulu, HI 968251073686283
  7. Thomas Nordyke, M.D.Honolulu, HI 968251992878698
  8. Monica Price, M.D.Honolulu, HI 968251083702989

Common questions

What is Cawin Wong Mizuba, M.D.'s NPI number?

Cawin Wong Mizuba, M.D.'s National Provider Identifier (NPI) is 1982946539, issued on Mar 21, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Cawin Wong Mizuba, M.D. located?

The NPPES record lists a practice address at 377 Keahole St, Honolulu, HI, 96825. Phone: (808) 396-6675. Providers update this record themselves, so call before visiting.

How can I verify Cawin Wong Mizuba, M.D.'s license?

NPPES lists Hawaii license number MD18466, 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 Cawin Wong Mizuba, M.D. prescribe under Medicare Part D?

In 2024, Cawin Wong Mizuba, M.D. had 4,809 Medicare Part D claims for 452 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.