Benjamin Defieux, LMSW
Social Worker · Islandia, NY
Benjamin Defieux, LMSW is a social worker with a practice address in Islandia, New York, and NPI 1326851874, issued on Jan 29, 2025. Check the license (New York 118291, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Benjamin Defieux
- Credential
- LMSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- 118291 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1707 Veterans Memorial Hwy, Islandia, NY 11749
- Phone
- (631) 360-3730
- Enumerated
- Jan 29, 2025
- Record last updated
- Jan 29, 2025
- Entity
- Type 1 · individual
8 nearest social worker records → All 23,561 in New York → Look up another NPI →
Also registered at 1707 Veterans Memorial Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nalin Gorbert, LCSWClinical Social Worker1568275022
Verify Benjamin Defieux in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 118291Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Benjamin Defieux among 23,561 social worker records in New York
Benjamin Defieux, LMSW is one of 23,561 social worker records with a practice address in New York. 3% 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 2025, is newer than 86% of them.
- NPI issued2025 · 86% of these records are older, 5% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileNo · 5% of these records are
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 social worker records list a practice address in Islandia
They are 16 of the 286 NPPES records with a practice address in Islandia, and 23,561 social worker records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 23,561 in New York → Every provider in Islandia → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Ana Argueta MachadoIslandia, NY 117491801463476
- Allison Brons, LMSWIslandia, NY 117491124303953
- Nancy Campo, LMSWIslandia, NY 117491588949663
- Emma DevotoHauppauge, NY 117491720550650
- Kimberly Hart, LMSWHauppauge, NY 117491942771662
- Janet Lavelle, LCSWIslandia, NY 117491922382092
- Elena Licandro, LMSWHauppauge, NY 117491639640394
- Bethany Merlucci, LMSWIslandia, NY 117491063790418
Common questions
What is Benjamin Defieux, LMSW's NPI number?
Benjamin Defieux, LMSW's National Provider Identifier (NPI) is 1326851874, issued on Jan 29, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Defieux, LMSW located?
The NPPES record lists a practice address at 1707 Veterans Memorial Hwy, Islandia, NY, 11749. Phone: (631) 360-3730. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Defieux, LMSW's license?
NPPES lists New York license number 118291, 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. 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.