Registry data as of Aug 27, 2026

Michael Kasztejna, PHARM.D.

Pharmacist · Portsmouth, NH

Michael Kasztejna, PHARM.D. is a pharmacist with a practice address in Portsmouth, New Hampshire, and NPI 1366755118, issued on Jul 22, 2010. Check the license (New Hampshire R1813, as entered in NPPES) with the New Hampshire board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1366755118
Name
Michael Kasztejna
Credential
PHARM.D.
Primary taxonomy
Pharmacist 183500000X
License number
R1813 NH
Self-reported in NPPES; status is on the state search
Practice location
1500 Lafayette RD, Portsmouth, NH 03801
Phone
(603) 430-7595
Enumerated
Jul 22, 2010
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 1500 Lafayette RD

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

  1. Rachel Duran, RPHPharmacist1144430166
  2. Christopher Pardoe, PHARMDPharmacist1205155942

Verify Michael Kasztejna in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
    Search for license R1813
    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
Find the New Hampshire 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.

34 pharmacist records list a Portsmouth practice address

They are 34 of the 1,860 NPPES records with a Portsmouth practice address, and 1,287 pharmacist records in New Hampshire. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pharmacist records in New Hampshire

  1. Mahmoud Abdel MohsenConcord, NH1366938094
  2. Hadeer AbdelfadelLebanon, NH1154280550
  3. Justine Abel, RPHLondonderry, NH1306192463
  4. Delphine AchaManchester, NH1649826371
  5. Titilope Adeosun, RPHJaffrey, NH1194209270
  6. Kingsley Adu-GyamfiPlymouth, NH1942751441
  7. Kim Ahearn, RPHBedford, NH1013455872
  8. Mobahil Ahmad, PHARMDLittleton, NH1043822232
  9. Shannon Ahmed, RPHNewport, NH1396460275
  10. Sherif Ahmed, RPHManchester, NH1972192490

Common questions

What is Michael Kasztejna, PHARM.D.'s NPI number?

Michael Kasztejna, PHARM.D.'s National Provider Identifier (NPI) is 1366755118, issued on Jul 22, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Michael Kasztejna, PHARM.D. located?

The NPPES record lists a practice address at 1500 Lafayette RD, Portsmouth, NH, 03801. Phone: (603) 430-7595. Providers update this record themselves, so call before visiting.

How can I verify Michael Kasztejna, PHARM.D.'s license?

NPPES lists New Hampshire license number R1813, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.