Individual provider Active NPI

Nathaniel Tabachnik, LMSW

  • Social Worker
  • Brooklyn, NY
National Provider Identifier
1619769023
Registry record updated May 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
121806-01 Issued in NY
Practice address
109 N 12TH St Ste 817
Brooklyn, NY 11249-1002
Phone
(617) 851-0689
NPI assigned
May 21, 2025
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 21, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 121806-01 NY Primary

Addresses

Primary practice location

109 N 12TH St Ste 817
Brooklyn, NY 11249-1002

Mailing address

101 Eckford St Apt 2
Brooklyn, NY 11222-3219
Phone (617) 851-0689

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
121806-01NYMDSocial Worker

NPI Registry JSON

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

{
    "created_epoch": "1747785600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747785600000",
    "number": "1619769023",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 ECKFORD ST APT 2",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112223219",
            "telephone_number": "617-851-0689"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "109 N 12TH ST STE 817",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112491002",
            "telephone_number": "617-851-0689"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TABACHNIK",
        "first_name": "NATHANIEL",
        "credential": "LMSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-05-21",
        "last_updated": "2025-05-21",
        "certification_date": "2025-05-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "NY",
            "license": "121806-01",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Brooklyn, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 21, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.