NPPES file of Aug 9, 2026

Margaret Longyear, APRN-FNP

Family Nurse Practitioner · New Haven, CT

Margaret Longyear, APRN-FNP is a family nurse practitioner with a practice address in New Haven, Connecticut, and NPI 1750231882, issued on Jan 29, 2026. Check the license (Connecticut 172167, as entered in NPPES) with the Connecticut 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
1750231882
Name
Margaret Longyear
Credential
APRN-FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
172167 CT
Self-reported in NPPES; status is on the state search
Practice location
1 Long Wharf Dr, New Haven, CT 06511
Phone
(203) 688-8800
Enumerated
Jan 29, 2026
Record last updated
Mar 3, 2026
Medicare enrollment
Enrolled (PECOS I20260529004315); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 2,669 in Connecticut → Look up another NPI →

Also registered at 1 Long Wharf Dr

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

  1. Casey Altomaro, BACounselor1912754201
  2. Donna Andreozzi, RNRegistered Nurse1992178172
  3. Ronald Angoff, MDPediatrics Physician1205923661
  4. Obinna AnosikeFamily Medicine Physician1043871957
  5. Ashley Antonucci, DNP- FNPFamily Nurse Practitioner1003463159
  6. Tracey Appleget, LCSWClinical Social Worker1427413988

Verify Margaret Longyear in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 172167    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 Connecticut license search

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Margaret Longyear among 2,669 family nurse practitioner records in Connecticut

Margaret Longyear, APRN-FNP is one of 2,669 family nurse practitioner records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2026, is newer than 97% of them.

  • NPI issued2026 · 97% of these records are older, 0% newer
  • In a Medicare fileNo · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2025 · median 2018 among the 1,664 with a school on file
  • Record last updated2026 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

239 family nurse practitioner records list a practice address in New Haven

They are 239 of the 9,793 NPPES records with a practice address in New Haven, and 2,669 family nurse practitioner records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,669 in Connecticut → Every provider in New Haven → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Carrie Ferrigno, APRNNew Haven, CT 065111174547400
  2. Stefanie Generao, NPNew Haven, CT 065111093798860
  3. Janina Gilo, APRNNew Haven, CT 065111295844819
  4. Joyce Healey, APRNNew Haven, CT 065111669742722
  5. Sally Hellerman, APRNNew Haven, CT 065111285606947
  6. Ann Marie Julian, CRNANew Haven, CT 065111336156876
  7. Diana KavanaghNew Haven, CT 065111144538489
  8. Jeannette Koziel, NP-CNew Haven, CT 065111912215781

Common questions

What is Margaret Longyear, APRN-FNP's NPI number?

Margaret Longyear, APRN-FNP's National Provider Identifier (NPI) is 1750231882, issued on Jan 29, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Longyear, APRN-FNP located?

The NPPES record lists a practice address at 1 Long Wharf Dr, New Haven, CT, 06511. Phone: (203) 688-8800. Providers update this record themselves, so call before visiting.

How can I verify Margaret Longyear, APRN-FNP's license?

NPPES lists Connecticut license number 172167, as entered by the provider. Search the Connecticut 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.