Individual provider Active NPI

Elizabeth Castellanos, RN

  • Registered Nurse
  • La Jolla, CA
National Provider Identifier
1164377909
Registry record updated Feb 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered NurseTaxonomy code 163W00000X
License
806553 Issued in CA
Practice address
3855 Health Sciences Dr
La Jolla, CA 92093-0960
Phone
(858) 822-6600
NPI assigned
Feb 26, 2026
Last updated
Feb 26, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 26, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X 806553 CA Primary

Addresses

Primary practice location

3855 Health Sciences Dr
La Jolla, CA 92093-0960

Mailing address

3855 Health Sciences Dr
La Jolla, CA 92093-1503
Phone (858) 822-7892

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
Credentials
Registered Nurse

State licenses

LicenseStateTypeSpecialty
806553CAMDRegistered Nurse

NPI Registry JSON

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

{
    "created_epoch": "1772064000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772064000000",
    "number": "1164377909",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3855 HEALTH SCIENCES DR",
            "city": "LA JOLLA",
            "state": "CA",
            "postal_code": "920931503",
            "telephone_number": "858-822-7892"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3855 HEALTH SCIENCES DR",
            "city": "LA JOLLA",
            "state": "CA",
            "postal_code": "920930960",
            "telephone_number": "858-822-6600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTELLANOS",
        "first_name": "ELIZABETH",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-02-26",
        "last_updated": "2026-02-26",
        "certification_date": "2026-02-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "806553",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in La Jolla, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 26, 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.