Individual provider Active NPI

Alexander Louis Vandenbelt, LMSW

  • Clinical Social Worker
  • New York, NY
National Provider Identifier
1588592919
Registry record updated May 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
124364 Issued in NY
Practice address
515 Madison Ave FL 13
New York, NY 10022-5403
Phone
(212) 838-0044
NPI assigned
May 13, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 124364 NY Primary

Addresses

Primary practice location

515 Madison Ave FL 13
New York, NY 10022-5403

Mailing address

515 Madison Ave
New York, NY 10022-5403
Phone (212) 838-0044

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
124364NYMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Andrew J Gerber MD PC PastSince Mar 11, 2025 Accepting new patients

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1778630400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778630400000",
    "number": "1588592919",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "515 MADISON AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100225403",
            "telephone_number": "212-838-0044"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "515 MADISON AVE FL 13",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100225403",
            "telephone_number": "212-838-0044"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VANDENBELT",
        "first_name": "ALEXANDER",
        "middle_name": "LOUIS",
        "credential": "LMSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-05-13",
        "last_updated": "2026-05-13",
        "certification_date": "2026-05-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NY",
            "license": "124364",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 13, 2026; 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.