Individual provider Active NPI

Elizabeth Protacio, CPNP-AC

  • Pediatric Nurse Practitioner
  • Chicago, IL
National Provider Identifier
1740647577
Registry record updated Apr 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Nurse PractitionerTaxonomy code 363LP0200X
License
277.000818 Issued in IL
Practice address
225 E Chicago Ave
Ann and Robert H. Lurie Children'S Hospital of Chicago
Chicago, IL 60611-2991
Phone
(312) 227-4000
NPI assigned
Jan 25, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 30, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Nurse Practitioner 363LP0200X 277.000818 IL Primary

Addresses

Primary practice location

225 E Chicago Ave
Ann and Robert H. Lurie Children'S Hospital of Chicago
Chicago, IL 60611-2991

Mailing address

225 E Chicago Ave
Box 246
Chicago, IL 60611-2991
Phone (312) 227-4000

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

State licenses

LicenseStateTypeSpecialty
277.000818ILMDPediatric Nurse Practitioner

NPI Registry JSON

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

{
    "created_epoch": "1453680000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777507200000",
    "number": "1740647577",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "225 E CHICAGO AVE",
            "address_2": "BOX 246",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112991",
            "telephone_number": "312-227-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "225 E CHICAGO AVE",
            "address_2": "ANN AND ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112991",
            "telephone_number": "312-227-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PROTACIO",
        "first_name": "ELIZABETH",
        "name_prefix": "Mrs.",
        "credential": "CPNP-AC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-01-25",
        "last_updated": "2026-04-30",
        "certification_date": "2026-04-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "IL",
            "license": "277.000818",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 30, 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.