Theresa Eileen Viveiros, RN

Primary specialty

Registered NurseTaxonomy code 163W00000X

License

729168 Issued in CA

Practice address

143 Calle Susana
Elk Grove, CA 95624-2514

Phone

(916) 805-6267

NPI assigned

Feb 21, 2026

Sex

Female

Sole proprietor

Yes

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

Credentials

Registered Nurse

State licenses

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

{
    "created_epoch": "1771632000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771632000000",
    "number": "1114871811",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "143 CALLE SUSANA",
            "city": "ELK GROVE",
            "state": "CA",
            "postal_code": "956242514",
            "telephone_number": "916-805-6267"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "143 CALLE SUSANA",
            "city": "ELK GROVE",
            "state": "CA",
            "postal_code": "956242514",
            "telephone_number": "916-805-6267"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "855 Howe Ave",
            "address_purpose": "LOCATION",
            "city": "Sacramento",
            "state": "CA",
            "postal_code": "958253912",
            "country_code": "US",
            "telephone_number": "844-664-2248",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VIVEIROS",
        "first_name": "THERESA",
        "middle_name": "EILEEN",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-02-21",
        "last_updated": "2026-02-21",
        "certification_date": "2026-02-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "729168",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Registered Nurse in Elk Grove, CA
• Providers in Elk Grove, CA by specialty
• Registered Nurse in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 21, 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.