Individual provider Active NPI

Delfina Irma Castelan

  • Student in an Organized Health Care Education/Training Program
  • Fullerton, CA
National Provider Identifier
1861328767
Registry record updated Jun 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X
License
108766 Issued in CA
Practice address
1501 E Orangethorpe Ave Ste 200
Fullerton, CA 92831-5205
Phone
(714) 254-8473
Fax
(714) 254-8480
NPI assigned
Jun 19, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 19, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X 108766 CA Primary

Addresses

Primary practice location

1501 E Orangethorpe Ave Ste 200
Fullerton, CA 92831-5205

Mailing address

1501 E Orangethorpe Ave Ste 200
Fullerton, CA 92831-5205
Phone (714) 254-8473

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

Practice roles

OrganizationSpecialtyStatusNew patients
Pathways Community Services LLC PastSince Apr 21, 2024 Accepting new patients
Clarvida Student in an Organized Health Care Education/Training Program Past Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1781827200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781827200000",
    "number": "1861328767",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1501 E ORANGETHORPE AVE STE 200",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928315205",
            "telephone_number": "714-254-8473",
            "fax_number": "714-254-8480"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1501 E ORANGETHORPE AVE STE 200",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928315205",
            "telephone_number": "714-254-8473",
            "fax_number": "714-254-8480"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTELAN",
        "first_name": "DELFINA",
        "middle_name": "IRMA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-06-19",
        "last_updated": "2026-06-19",
        "certification_date": "2026-06-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CA",
            "license": "108766",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fullerton, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 19, 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.