What is Benjamin Defieux's NPI number?

Benjamin Defieux's National Provider Identifier (NPI) is 1326851874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Benjamin Defieux's specialty?

Benjamin Defieux is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Benjamin Defieux located?

Benjamin Defieux's practice location on file with NPPES is 1707 Veterans Memorial Hwy, Islandia, NY 11749-1531.

What is Benjamin Defieux's phone number?

The practice phone number listed in the NPPES registry for Benjamin Defieux is (631) 360-3730.

Is Benjamin Defieux's NPI active?

Yes — Benjamin Defieux's NPI (1326851874) is active in the NPPES registry as of the last update on 2025-01-29.

IndividualActive

Benjamin Defieux, LMSW

NPI 1326851874 · Social Worker · Islandia, NY

Benjamin Defieux, LMSW is a Social Worker provider in Islandia, NY (NPI 1326851874).

Provider details

NPI number: 1326851874
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: LMSW
Sex: Male
Sole proprietor: Yes
License: 118291 (NY)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 118291 (NY)
Behavioral Health & Social Service Providers

Profile Score

Established profile(55/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

1707 Veterans Memorial Hwy

Islandia, NY 11749-1531

Phone: (631) 360-3730

Street-level locationGet directions

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Mailing address