Individual provider Active NPI

William Sanders, LGSW

  • Social Worker
  • Rockville, MD
National Provider Identifier
1952277246
Registry record updated Sep 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
LG200004492 Issued in DC
Practice address
12345 Parklawn Dr Ste 200
Rockville, MD 20852-1725
Phone
(443) 800-1505
NPI assigned
Oct 14, 2025
Last updated
Sep 20, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 20, 2026

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 LG200004492 DC Primary

Addresses

Primary practice location

12345 Parklawn Dr Ste 200
Rockville, MD 20852-1725

Mailing address

6002 Stoneygate CT
Springfield, VA 22152-1734

Other names 1

  • William W Sanders III Other name

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
LG200004492DCMDSocial Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Cheerful Transformations LLC Current Accepting new patients

Locations

12345 Parklawn Dr
Ste 200
Rockville, MD 20852
Phone (240) 242-7385

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1760400000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789862400000",
    "number": "1952277246",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6002 STONEYGATE CT",
            "city": "SPRINGFIELD",
            "state": "VA",
            "postal_code": "221521734"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12345 PARKLAWN DR STE 200",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208521725",
            "telephone_number": "443-800-1505"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SANDERS",
        "first_name": "WILLIAM",
        "credential": "LGSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-10-14",
        "last_updated": "2026-09-20",
        "certification_date": "2025-10-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "DC",
            "license": "LG200004492",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "WILLIAM",
            "last_name": "SANDERS",
            "middle_name": "W",
            "suffix": "III",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Rockville, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 20, 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.