Individual provider Active NPI

Cassandra Elizabeth Hardin, CPNP-AC

  • Pediatric Nurse Practitioner
  • Chicago, IL
National Provider Identifier
1124660667
Registry record updated Mar 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Nurse PractitionerTaxonomy code 363LP0200X
License
209020372 Issued in IL
Practice address
225 E Chicago Ave
Chicago, IL 60611-2991
Phone
(734) 765-5574
NPI assigned
Oct 16, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 18, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X 041486106 MI
Pediatric Nurse Practitioner 363LP0200X 209020372 IL Primary

Addresses

Primary practice location

225 E Chicago Ave
Chicago, IL 60611-2991

Mailing address

252 Buckingham Rd
Canton, MI 48188-1515
Phone (734) 765-5574

Other practice location 1

3232 Lake Ave Ste 330
Wilmette, IL 60091-1085
Phone (224) 226-9420

Electronic endpoints 3

TypeEndpointUseAffiliation
CONNECT URL https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other Ability Network
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address chardin448392@direct.myadvocateaurora.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260210001154 IL Practitioner - Nurse Practitioner 9931688900 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2019
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

29373 Network PL
Chicago, IL 60673-1293

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
041486106MIMDRegistered Nurse
209020372ILMDPediatric Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Advocate Health and Hospitals Corporation CurrentSince Feb 9, 2026 Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Feb 9, 2026 Accepting new patients
Lurie Children'S Medical Group, LLC Past Accepting new patients

Locations

214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160

29373 Network Pl
Chicago, IL 60673

4440 W 95th St
Oak Lawn, IL 60453
Phone (708) 346-5520

3232 Lake Ave
Wilmette, IL 60091
Phone (224) 266-9411

3232 Lake Ave
Ste 330
Wilmette, IL 60091
Phone (224) 226-9420

Interoperability endpoints

  • Direct secure messaging: chardin448392@direct.myadvocateaurora.org

Organizations & group practices 3

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": "1571184000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773792000000",
    "number": "1124660667",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "252 BUCKINGHAM RD",
            "city": "CANTON",
            "state": "MI",
            "postal_code": "481881515",
            "telephone_number": "734-765-5574"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "225 E CHICAGO AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112991",
            "telephone_number": "734-765-5574"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3232 Lake Ave Ste 330",
            "address_purpose": "LOCATION",
            "city": "Wilmette",
            "state": "IL",
            "postal_code": "600911085",
            "country_code": "US",
            "telephone_number": "224-226-9420",
            "fax_number": "847-256-2140",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HARDIN",
        "first_name": "CASSANDRA",
        "middle_name": "ELIZABETH",
        "credential": "CPNP-AC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-10-16",
        "last_updated": "2026-03-18",
        "certification_date": "2026-03-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MI",
            "license": "041486106",
            "primary": false
        },
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "IL",
            "license": "209020372",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "affiliationName": "Ability Network",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "64 S Price Rd Ste B",
            "city": "Brownsville",
            "state": "TX",
            "country_code": "US",
            "postal_code": "785212459",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "3232 Lake Ave Ste 330",
            "city": "Wilmette",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600911085",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "chardin448392@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "3232 Lake Ave Ste 330",
            "city": "Wilmette",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600911085",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.