Individual provider Active NPI

Theresa Nzoiwu

  • Psychiatric/Mental Health Registered Nurse
  • Round Rock, TX
National Provider Identifier
1558287953
Registry record updated Jun 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Registered NurseTaxonomy code 163WP0808X
License
647364 Issued in TX
Practice address
1009 N Georgetown St
Round Rock, TX 78664-3289
Phone
(737) 340-6937
NPI assigned
Jun 29, 2026
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 29, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Registered Nurse 163WP0808X 647364 TX Primary

Addresses

Primary practice location

1009 N Georgetown St
Round Rock, TX 78664-3289

Mailing address

349 Ponderosa Rd
Bastrop, TX 78602-5004
Phone (737) 340-6937

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

NPI Registry JSON

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

{
    "created_epoch": "1782691200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782691200000",
    "number": "1558287953",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "349 PONDEROSA RD",
            "city": "BASTROP",
            "state": "TX",
            "postal_code": "786025004",
            "telephone_number": "737-340-6937"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1009 N GEORGETOWN ST",
            "city": "ROUND ROCK",
            "state": "TX",
            "postal_code": "786643289",
            "telephone_number": "737-340-6937"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NZOIWU",
        "first_name": "THERESA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-06-29",
        "last_updated": "2026-06-29",
        "certification_date": "2026-06-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WP0808X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Psychiatric/Mental Health",
            "state": "TX",
            "license": "647364",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Round Rock, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 29, 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.