Barbara J Hardt, APRN

Primary specialty

Gerontology Nurse PractitionerTaxonomy code 363LG0600X

License

277.003473 Issued in IL

Practice address

2627 W Cermak Rd
Chicago, IL 60608-3514

Phone

(773) 389-3000

Fax

(773) 389-3333

NPI assigned

May 1, 2014

Last updated

Jan 29, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

Nurse Practitioner

Education

Rush Medical College of Rush University, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Oak Street Health Physicians Group PCGroup PAC ID 7517109879, 227 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

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

• Oak Street Health Physicians Group, PC

  • Primary Care Clinic/Center
  • Chicago, IL
  • NPI 1083051643
  Medicare reassignment Care Compare group NPD
• Osh-Il Physicians Group LLC

  • Primary Care Clinic/Center
  • East Saint Louis, IL
  • NPI 1265977698
  Medicare reassignment NPD

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

{
    "created_epoch": "1398902400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769644800000",
    "number": "1811307614",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2627 W CERMAK RD",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606083514",
            "telephone_number": "773-389-3000",
            "fax_number": "773-389-3333"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2627 W CERMAK RD",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606083514",
            "telephone_number": "773-389-3000",
            "fax_number": "773-389-3333"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARDT",
        "first_name": "BARBARA",
        "middle_name": "J",
        "credential": "APRN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-05-01",
        "last_updated": "2026-01-29",
        "certification_date": "2026-01-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "IL",
            "license": "277.003473",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katherine McNair Harding, PSYD
• Sarah H Harding, MA LCSW
• Xiomara Esther Hardison, APN, NP-C
• Hardney Counseling, Coaching, & Consulting L.L.C.
• Jennifer Krystle Hardney, LPC
• Kevin D Hardt, M.D
• Audrey L Hardtke, FNP-BC
• Joyce H Harduvel
• Harry M Hardwick III
• John Robert Hardwick, M.D

• Gerontology Nurse Practitioner in Chicago, IL
• Providers in Chicago, IL by specialty
• Gerontology Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.