Individual provider Active NPI

Leah Castillo, RN

  • Ambulatory Care Registered Nurse
  • Joliet, IL
National Provider Identifier
1578475539
Registry record updated Sep 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ambulatory Care Registered NurseTaxonomy code 163WP2201X
License
041.409621 Issued in IL
Practice address
1201 Eagle St
Joliet, IL 60432-2031
Phone
(815) 740-8100
Fax
(708) 202-5444
NPI assigned
Sep 22, 2026
Last updated
Sep 22, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 22, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ambulatory Care Registered Nurse 163WP2201X 041.409621 IL Primary

Addresses

Primary practice location

1201 Eagle St
Joliet, IL 60432-2031

Mailing address

1201 Eagle St
Joliet, IL 60432-2031
Phone (815) 740-8100

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1790035200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790035200000",
    "number": "1578475539",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1201 EAGLE ST",
            "city": "JOLIET",
            "state": "IL",
            "postal_code": "604322031",
            "telephone_number": "815-740-8100",
            "fax_number": "708-202-5444"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1201 EAGLE ST",
            "city": "JOLIET",
            "state": "IL",
            "postal_code": "604322031",
            "telephone_number": "815-740-8100",
            "fax_number": "708-202-5444"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTILLO",
        "first_name": "LEAH",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-09-22",
        "last_updated": "2026-09-22",
        "certification_date": "2026-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WP2201X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Ambulatory Care",
            "state": "IL",
            "license": "041.409621",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Joliet, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.