Individual provider Active NPI

Karen Ann Loftus, APN

  • Pediatric Nurse Practitioner
  • Naperville, IL
National Provider Identifier
1285620286
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Nurse PractitionerTaxonomy code 363LP0200X
Practice address
636 Raymond Dr
Naperville, IL 60563-9789
Phone
(630) 717-2300
Fax
(630) 717-9638
NPI assigned
Sep 25, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 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 IL Primary

Addresses

Primary practice location

636 Raymond Dr
Naperville, IL 60563-9789

Mailing address

438 N Montclair Ave
Glen Ellyn, IL 60137-4630
Phone (630) 469-9760

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
209-004507ILMDPediatric Nurse Practitioner

NPI Registry JSON

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

{
    "created_epoch": "1127606400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1285620286",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "438 N MONTCLAIR AVE",
            "city": "GLEN ELLYN",
            "state": "IL",
            "postal_code": "601374630",
            "telephone_number": "630-469-9760"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "636 RAYMOND DR",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605639789",
            "telephone_number": "630-717-2300",
            "fax_number": "630-717-9638"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOFTUS",
        "first_name": "KAREN",
        "middle_name": "ANN",
        "credential": "APN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-09-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Naperville, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.