Mari Nakashizuka, M.D.
Specialist · Honolulu, HI
Mari Nakashizuka, M.D. is a specialist with a practice address in Honolulu, Hawaii, and NPI 1548365224, issued on Sep 14, 2006. Check the license (Hawaii MD7013, as entered in NPPES) with the Hawaii board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mari Nakashizuka
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- MD7013 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1380 Lusitana St, Honolulu, HI 96813
- Phone
- (808) 533-1676
- Enumerated
- Sep 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080712000114); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest specialist records → All 350 in Hawaii → Look up another NPI →
Also registered at 1380 Lusitana St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mari Nakashizuka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Hawaii board licenses this profession
Search for license MD7013Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average specialist in 2024
38 Medicare Part D claims for 23 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin17 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.
Mari Nakashizuka among 350 specialist records in Hawaii
Mari Nakashizuka, M.D. is one of 350 specialist records with a practice address in Hawaii. 26% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 59% newer
- In a Medicare fileYes · 26% of these records are
- In the CMS Doctors and Clinicians fileYes · 18% of these records are
- Graduated1988 · median 1987 among the 64 with a school on file
- Record last updated2007 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
156 specialist records list a practice address in Honolulu
They are 156 of the 12,408 NPPES records with a practice address in Honolulu, and 350 specialist records in Hawaii.
All 350 in Hawaii → Every provider in Honolulu → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Iqbal Ahmed, M.D.Honolulu, HI 968131164472650
- Ken Arakawa, M.D.Honolulu, HI 968131558334888
- Denny Bales, M.D.Honolulu, HI 968131023016383
- Barry Carlton, M.D.Honolulu, HI 968131790736544
- Marc Coel, M.D.Honolulu, HI 968131093784993
- Leslie Ito, M.D.Honolulu, HI 968131275596744
- Douglas Johnson, M.D.Honolulu, HI 968131700869427
- Jeffrey Lee, M.D.Honolulu, HI 968131629056528
Common questions
What is Mari Nakashizuka, M.D.'s NPI number?
Mari Nakashizuka, M.D.'s National Provider Identifier (NPI) is 1548365224, issued on Sep 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mari Nakashizuka, M.D. located?
The NPPES record lists a practice address at 1380 Lusitana St, Honolulu, HI, 96813. Phone: (808) 533-1676. Providers update this record themselves, so call before visiting.
How can I verify Mari Nakashizuka, M.D.'s license?
NPPES lists Hawaii license number MD7013, as entered by the provider. Search the Hawaii board that licenses this profession; the NPPES record confirms identity only.
How much does Mari Nakashizuka, M.D. prescribe under Medicare Part D?
In 2024, Mari Nakashizuka, M.D. had 38 Medicare Part D claims for 23 beneficiaries; the average among specialist prescribers was 1,380. 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.