Sisilia Thomas, AGNP-C

Primary specialty

Gerontology Nurse PractitionerTaxonomy code 363LG0600X

License

RN2263665 Issued in MA

Practice address

830 Harrison Avenue, 3Rd FL
Moakley BLDG
Boston, MA 02118-2905

Phone

(617) 638-6428

Fax

(617) 638-5756

NPI assigned

Aug 6, 2025

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

Other identifiers 1

Other names 1

• Sisy John Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Specialty

Nurse Practitioner

Education

University of Massachusetts Medical School, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1754438400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779235200000",
    "number": "1518842079",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "960 MASSACHUSETTS AVE",
            "address_2": "FL 2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182690"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "830 HARRISON AVENUE, 3RD FL",
            "address_2": "MOAKLEY BLDG",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182905",
            "telephone_number": "617-638-6428",
            "fax_number": "617-638-5756"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6 Ledgewood Dr",
            "address_purpose": "LOCATION",
            "city": "Burlington",
            "state": "MA",
            "postal_code": "018032008",
            "country_code": "US",
            "telephone_number": "978-495-2452",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THOMAS",
        "first_name": "SISILIA",
        "credential": "AGNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-08-06",
        "last_updated": "2026-05-20",
        "certification_date": "2026-05-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "MA",
            "license": "RN2263665",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110225757A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SISY",
            "last_name": "JOHN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Meredith Scott Thomas, M.D.
• Nicole Thomas
• Okino Thomas
• Robert Joseph Thomas, M.D.
• Sarah-Marie Gabrielle Thomas
• Sky Thomas, MT-BC
• Sydney Thomas, MD
• Genevieve Camille Thomasset
• Reggie Rashad Thomasson, M.D.
• Anaelle Aline Sarah Thommasson

• Gerontology Nurse Practitioner in Boston, MA
• Providers in Boston, MA by specialty
• Gerontology Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.