Individual provider Active NPI

Michael Gallan, LGSW

  • Clinical Social Worker
  • Washington, DC
National Provider Identifier
1821992363
Registry record updated Oct 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
Practice address
1730 Rhode Island Ave NW Ste 400
Washington, DC 20036-3118
Phone
(240) 266-0952
NPI assigned
Oct 7, 2026
Last updated
Oct 7, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 7, 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 NU Primary

Addresses

Primary practice location

1730 Rhode Island Ave NW Ste 400
Washington, DC 20036-3118

Mailing address

1730 Rhode Island Ave NW Ste 400
Washington, DC 20036-3118
Phone (240) 266-0952

Other names 1

  • Mike Gallan Other name

Medicare participation

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

NPI Registry JSON

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

{
    "created_epoch": "1791331200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791331200000",
    "number": "1821992363",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1730 RHODE ISLAND AVE NW STE 400",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200363118",
            "telephone_number": "240-266-0952"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1730 RHODE ISLAND AVE NW STE 400",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200363118",
            "telephone_number": "240-266-0952"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GALLAN",
        "first_name": "MICHAEL",
        "credential": "LGSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-10-07",
        "last_updated": "2026-10-07",
        "certification_date": "2026-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MIKE",
            "last_name": "GALLAN",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Washington, DC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.