Organization Active NPI

Leah Digianni, LCSW PLLC

  • Clinical Social Worker
  • Smithtown, NY
National Provider Identifier
1447164397
Registry record updated Sep 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
Legal business name
LEAH DIGIANNI, LCSW PLLC
Practice address
21 Redwood LN
Smithtown, NY 11787-2718
Phone
(631) 672-0642
NPI assigned
Sep 29, 2026
Last updated
Sep 29, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 29, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Leah Digianni, LCSWNPI 1326502964
Title
Licensed Clinical Social Worker
Phone
(631) 343-5640

Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X NU Primary

Addresses

Primary practice location

21 Redwood LN
Smithtown, NY 11787-2718

Mailing address

21 Redwood LN
Smithtown, NY 11787-2718
Phone (631) 343-5640

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1790640000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1790640000000",
    "number": "1447164397",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21 REDWOOD LN",
            "city": "SMITHTOWN",
            "state": "NY",
            "postal_code": "117872718",
            "telephone_number": "631-343-5640"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21 REDWOOD LN",
            "city": "SMITHTOWN",
            "state": "NY",
            "postal_code": "117872718",
            "telephone_number": "631-672-0642"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LEAH DIGIANNI, LCSW PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-09-29",
        "last_updated": "2026-09-29",
        "certification_date": "2026-09-29",
        "status": "A",
        "authorized_official_last_name": "DIGIANNI",
        "authorized_official_first_name": "LEAH",
        "authorized_official_title_or_position": "LICENSED CLINICAL SOCIAL WORKER",
        "authorized_official_telephone_number": "631-343-5640",
        "authorized_official_credential": "LCSW"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Smithtown, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.