Aidan Marie Ex-Willey, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

085.009886 Issued in IL

Practice address

676 N Saint Clair St Ste 2030
Chicago, IL 60611-2830

Phone

(312) 926-6831

Fax

(312) 926-2200

NPI assigned

Jan 4, 2022

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

Other identifiers 1

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

Physician Assistant

Education

Northwestern University Feinberg Medical School, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Howard Brown Health CenterGroup PAC ID 1052203155, 52 clinicians

Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwestern Memorial Hospital Hospital, Chicago, IL, CCN 140281

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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 and National Provider Directory roles.

• Northwestern Medical Faculty Foundation

  • Multi-Specialty Clinic/Center
  • Carol Stream, IL
  • NPI 1346235314
  Medicare reassignment Care Compare group NPD
• Howard Brown Health Center

  • Federally Qualified Health Center (FQHC)
  • Chicago, IL
  • NPI 1306048632
  Medicare reassignment Care Compare group NPD (past)
• Howard Brown Health Center

  • Federally Qualified Health Center (FQHC)
  • Chicago, IL
  • NPI 1427523125
  NPD
• Northwestern Medical Faculty Foundation

  • Durable Medical Equipment & Medical Supplies
  • Chicago, IL
  • NPI 1417718479
  NPD
• Howard Brown Health Center

  • Health Educator
  • Chicago, IL
  • NPI 1811824121
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Northwestern Memorial Hospital

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1497859649
  Care Compare affiliation

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

{
    "created_epoch": "1641254400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774483200000",
    "number": "1114688918",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "676 N SAINT CLAIR ST STE 2030",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112830",
            "telephone_number": "312-926-6831",
            "fax_number": "312-926-2200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "676 N SAINT CLAIR ST STE 2030",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112830",
            "telephone_number": "312-926-6831",
            "fax_number": "312-926-2200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "EX-WILLEY",
        "first_name": "AIDAN",
        "middle_name": "MARIE",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-01-04",
        "last_updated": "2026-03-26",
        "certification_date": "2026-03-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085.009886",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "085.009886",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Daron Excel
• Excell at Home

• Physician Assistant in Chicago, IL
• Providers in Chicago, IL by specialty
• Physician Assistant in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 26, 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.