Mari Kashiwai Chen, NP
Nurse Practitioner · New York, NY
Mari Kashiwai Chen, NP is a nurse practitioner with a practice address in New York, New York, and NPI 1003323312, issued on Jan 8, 2018. Check the license (New York F342080-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mari Kashiwai Chen
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- F342080-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 625 Madison Ave FL 2, New York, NY 10022
- Phone
- (917) 573-6838
- Enumerated
- Jan 8, 2018
- Record last updated
- Jan 8, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 625 Madison Ave FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nils Peter Wiklund, MDUrology Physician1972094290
Verify Mari Kashiwai Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license F342080-1Check 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 nurse practitioner in 2024
37 Medicare Part D claims for 11 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Omeprazole12 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.
Nurse Practitioner providers in New York
There are 3,097 nurse practitioner records in New York.
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Common questions
What is Mari Kashiwai Chen, NP's NPI number?
Mari Kashiwai Chen, NP's National Provider Identifier (NPI) is 1003323312, issued on Jan 8, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mari Kashiwai Chen, NP located?
The NPPES record lists a practice address at 625 Madison Ave FL 2, New York, NY, 10022. Phone: (917) 573-6838. Providers update this record themselves, so call before visiting.
How can I verify Mari Kashiwai Chen, NP's license?
NPPES lists New York license number F342080-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Mari Kashiwai Chen, NP prescribe under Medicare Part D?
In 2024, Mari Kashiwai Chen, NP had 37 Medicare Part D claims for 11 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.