Individual provider Active NPI

Isaiah Ellis Lewis

  • Clinical Social Worker
  • Washington, DC
National Provider Identifier
1790665453
Registry record updated Jun 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
LG200004837 Issued in DC
Practice address
1427 Marion Barry Ave SE
Washington, DC 20020-5614
Phone
(202) 836-4841
NPI assigned
Sep 4, 2025
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 24, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X LG200004837 DC Primary
Case Manager/Care Coordinator 171M00000X

Addresses

Primary practice location

1427 Marion Barry Ave SE
Washington, DC 20020-5614

Mailing address

2101 Wisconsin Ave NW Apt 438
Washington, DC 20007-2409
Phone (646) 539-8366

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

Practice roles

OrganizationSpecialtyStatusNew patients
Life Care Inc. Past 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": "1756944000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782259200000",
    "number": "1790665453",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2101 WISCONSIN AVE NW APT 438",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200072409",
            "telephone_number": "646-539-8366"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1427 MARION BARRY AVE SE",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200205614",
            "telephone_number": "202-836-4841"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEWIS",
        "first_name": "ISAIAH",
        "middle_name": "ELLIS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-09-04",
        "last_updated": "2026-06-24",
        "certification_date": "2026-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "DC",
            "license": "LG200004837",
            "primary": true
        },
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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 Jun 24, 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.