Grace Theobald-Williams

Primary specialty

Case Manager/Care CoordinatorTaxonomy code 171M00000X

Practice address

255 Elm St Ste 204
Somerville, MA 02144-2947

Phone

(617) 623-6111

NPI assigned

Feb 27, 2026

Last updated

Feb 27, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1772150400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772150400000",
    "number": "1295680098",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "255 ELM ST STE 204",
            "city": "SOMERVILLE",
            "state": "MA",
            "postal_code": "021442947"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "255 ELM ST STE 204",
            "city": "SOMERVILLE",
            "state": "MA",
            "postal_code": "021442947",
            "telephone_number": "617-623-6111"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THEOBALD-WILLIAMS",
        "first_name": "GRACE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-02-27",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": "MA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Case Manager/Care Coordinator in Somerville, MA
• Providers in Somerville, MA by specialty
• Case Manager/Care Coordinator in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 27, 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.