Xamaira Castillo Nieves

Primary specialty

Registered NurseTaxonomy code 163W00000X

License

93863 Issued in PR

Practice address

Ave. Laurel Esq. Ave. Los Millones #100
Urb. Santa Juanita
Bayamon, PR 00956

Phone

(787) 995-5520

Fax

(787) 787-4343

NPI assigned

Jan 23, 2026

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

State licenses

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

{
    "created_epoch": "1769126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769126400000",
    "number": "1598614554",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "URB. VILLA COOPERATIVA D4 CALLE 2",
            "city": "CAROLINA",
            "state": "PR",
            "postal_code": "00985",
            "telephone_number": "787-995-5520",
            "fax_number": "787-787-4343"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "AVE. LAUREL ESQ. AVE. LOS MILLONES #100",
            "address_2": "URB. SANTA JUANITA",
            "city": "BAYAMON",
            "state": "PR",
            "postal_code": "00956",
            "telephone_number": "787-995-5520",
            "fax_number": "787-787-4343"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTILLO NIEVES",
        "first_name": "XAMAIRA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-01-23",
        "last_updated": "2026-01-23",
        "certification_date": "2026-01-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "PR",
            "license": "93863",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Giovanni C Casillas, M.D.
• Daniel L Castanon
• Cristina Castellanos Portela, MD
• Javier Castillo Granero, M.D.
• Victor Castillo Martinez, MD
• Ivette Castillo, MD
• Magda Castillo
• Rosa Natalia Castillo, PT
• Julio Castro Cruz, M.D.
• Albania Castro Gomez

• Registered Nurse in Bayamon, PR
• Providers in Bayamon, PR by specialty
• Registered Nurse in Puerto Rico

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 23, 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.