NPPES file of Aug 9, 2026

Allison Castonguay, APRN

Family Nurse Practitioner · Durham, NH

Allison Castonguay, APRN is a family nurse practitioner with a practice address in Durham, New Hampshire, and NPI 1184933657, issued on Oct 1, 2010. Check the license (New Hampshire 059270-23, as entered in NPPES) with the New Hampshire board that licenses this profession; 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
1184933657
Name
Allison Castonguay
Credential
APRN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
059270-23 NH
RN28049 MA
Self-reported in NPPES; status is on the state search
Practice location
2 Shearwater St, Durham, NH 03824
Phone
(617) 650-3397
Enumerated
Oct 1, 2010
Record last updated
Sep 4, 2022
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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Verify Allison Castonguay 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 059270-23
    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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Industry payments in 2024: $164.29

2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Allison Castonguay$164.29
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

5 family nurse practitioner records list a practice address in Durham

They are 5 of the 132 NPPES records with a practice address in Durham, and 1,377 family nurse practitioner records in New Hampshire.

Other family nurse practitioner records in New Hampshire

  1. Elibel AbanillaDerry, NH1043776511
  2. Maria Abbate, NPLebanon, NH1669683637
  3. Judith Abbe, APRNConcord, NH1528057031
  4. Cara Abbott, APRNLee, NH1285132258
  5. Kristina Abbott, FNP-CKeene, NH1578368916
  6. Lauren Abbott, APRNDerry, NH1093137820
  7. McCall Abbott, APRNLebanon, NH1396292454
  8. Janet Abreu, APRNPelham, NH1225447691
  9. Elizandra Adams, FNPWindham, NH1699529123
  10. Jenna Adams, N.P.Portsmouth, NH1235687658

Common questions

What is Allison Castonguay, APRN's NPI number?

Allison Castonguay, APRN's National Provider Identifier (NPI) is 1184933657, issued on Oct 1, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Allison Castonguay, APRN located?

The NPPES record lists a practice address at 2 Shearwater St, Durham, NH, 03824. Phone: (617) 650-3397. Providers update this record themselves, so call before visiting.

How can I verify Allison Castonguay, APRN's license?

NPPES lists New Hampshire license number 059270-23, 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. 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.