NPPES file of Aug 9, 2026

William Backus, PHARM D

Pharmacist · Newmarket, NH

William Backus, PHARM D is a pharmacist with a practice address in Newmarket, New Hampshire, and NPI 1417275447, issued on May 14, 2010. Check the license (New Hampshire NH 3410, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417275447
Name
William Backus
Credential
PHARM D
Primary taxonomy
Pharmacist 183500000X
License number
NH 3410 NH
Self-reported in NPPES; status is on the state search
Practice location
73 Exeter RD, Newmarket, NH 03857
Phone
(603) 659-7852
Enumerated
May 14, 2010
Record last updated
May 14, 2010 (not updated in 16 years: call before relying on the address or phone)
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 73 Exeter RD

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

  1. Anna Loebe, RPHPharmacist1265941249
  2. Linda Meditz, RPH, CIPPharmacist1033347489
  3. Karen Thomas, RPHPharmacist1750734570

Verify William Backus 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 NH 3410    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

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4 pharmacist records list a practice address in Newmarket

They are 4 of the 88 NPPES records with a practice address in Newmarket, and 1,286 pharmacist records in New Hampshire. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4 in Newmarket → All 1,286 in New Hampshire → Every provider in Newmarket →

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 William Backus, PHARM D's NPI number?

William Backus, PHARM D's National Provider Identifier (NPI) is 1417275447, issued on May 14, 2010. An NPI identifies a provider in billing; it is not a license.

Where is William Backus, PHARM D located?

The NPPES record lists a practice address at 73 Exeter RD, Newmarket, NH, 03857. Phone: (603) 659-7852. Providers update this record themselves, so call before visiting.

How can I verify William Backus, PHARM D's license?

NPPES lists New Hampshire license number NH 3410, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.