NPPES file of Aug 9, 2026

Emily Mongan, NP

Adult Health Nurse Practitioner · West Islip, NY

Emily Mongan, NP is an adult health nurse practitioner with a practice address in West Islip, New York, and NPI 1598420754, issued on Nov 3, 2021. Check the license (New York 310317, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598420754
Name
Emily Mongan
Credential
NP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
310317 NY
Self-reported in NPPES; status is on the state search
Practice location
1000 Montauk Hwy, West Islip, NY 11795
Phone
(631) 376-3000
Enumerated
Nov 3, 2021
Record last updated
Nov 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20220617002116); accepts 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 adult health nurse practitioner records → All 6,028 in New York → Look up another NPI →

Also registered at 1000 Montauk Hwy

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

  1. Rashad Abdallah, DOStudent in an Organized Health Care Education/Training Program1356194070
  2. Almothana Aburumman, MDStudent in an Organized Health Care Education/Training Program1669267506
  3. Hakeem Afuwape, DODiagnostic Radiology Physician1326292806
  4. Samantha Ahearn, PA-CPhysician Assistant1952279572
  5. Michele Ahlers, NURSE PRACTITIONERAdult Health Nurse Practitioner1063037869
  6. Fahim Ahmed, D.O.Emergency Medicine Physician1619904372

Verify Emily Mongan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 310317    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 York 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.

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Bills Medicare through one group practice

  1. Samaritan Medical Services PCWest Islip, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Emily Mongan among 6,028 adult health nurse practitioner records in New York

Emily Mongan, NP is one of 6,028 adult health nurse practitioner records with a practice address in New York. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 78% of them.

  • NPI issued2021 · 78% of these records are older, 16% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2021 · median 2016 among the 2,678 with a school on file
  • Record last updated2021 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 adult health nurse practitioner records list a practice address in West Islip

They are 36 of the 1,107 NPPES records with a practice address in West Islip, and 6,028 adult health nurse practitioner records in New York.

All 6,028 in New York → Every provider in West Islip → Adult Health Nurse Practitioner nationwide →

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Sunday Caldwell, NPWest Islip, NY 117951902817083
  2. Rose Conboy, NPWest Islip, NY 117951992801245
  3. Frank Cutrone, ANPWest Islip, NY 117951558620724
  4. Jennifer Davis, NPWest Islip, NY 117951124103189
  5. Rose Ezeani, NPWest Islip, NY 117951609921568
  6. Luisa Ferruggiari, NPWest Islip, NY 117951982932653
  7. Tiffany Fusco, NPWest Islip, NY 117951144567561
  8. Loriann Gross, RN, NPWest Islip, NY 117951508027012

Common questions

What is Emily Mongan, NP's NPI number?

Emily Mongan, NP's National Provider Identifier (NPI) is 1598420754, issued on Nov 3, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Emily Mongan, NP located?

The NPPES record lists a practice address at 1000 Montauk Hwy, West Islip, NY, 11795. Phone: (631) 376-3000. Providers update this record themselves, so call before visiting.

How can I verify Emily Mongan, NP's license?

NPPES lists New York license number 310317, as entered by the provider. Search the New York 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.

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.