Allison L Usher, APN-CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

209030884 Issued in IL

Practice address

4440 W 95TH St
Oak Lawn, IL 60453-2600

Phone

(708) 684-8000

NPI assigned

Oct 30, 2024

Last updated

May 11, 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

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in IL

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Endeavor Health Medical GroupGroup PAC ID 2163334699, 3,330 clinicians

Anesthesia Associates, LTDGroup PAC ID 2961303425, 34 clinicians

Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, 3,081 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwest Community Hospital 1 Hospital, Arlington Heights, IL, CCN 140252
• Advocate Christ Hospital & Medical Center Hospital, Oak Lawn, IL, CCN 140208

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aconrad363011@direct.myadvocateaurora.org

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.

• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment Care Compare group NPD
• Endeavor Health Medical Group

  dba NorthShore University HealthSystem Faculty Practice Associates

  • Allergy & Immunology Physician
  • Evanston, IL
  • NPI 1497701882
  Medicare reassignment Care Compare group NPD
• Anesthesia Associates, LTD

  • Pain Medicine (Anesthesiology) Physician
  • Aurora, IL
  • NPI 1952308223
  Medicare reassignment Care Compare group
• Advocate Health & Hospitals Corporation

  dba Advocate Christ Medical Group

  • Medical Specialty Clinic/Center
  • Oak Lawn, IL
  • NPI 1912936014
  NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Children's Hospital

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  NPD
• Endeavor Health Medical Group

  dba NorthShore Anesthesia Group

  • Anesthesiology Physician
  • Evanston, IL
  • NPI 1265695944
  NPD

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

• Advocate Health and Hospitals Corporation

  dba Advocate Children's Hospital

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  dba Advocate Christ Medical Center

  • General Acute Care Hospital
  • Oak Lawn, IL
  • NPI 1548375082
  Care Compare affiliation
• Northwest Community Hospital

  dba Endeavor Health Northwest Community Hospital

  • General Acute Care Hospital
  • Arlington Heights, IL
  • NPI 1578932869
  Care Compare affiliation
• Northwest Community Hospital

  dba Endeavor Health Northwest Community Hospital

  • General Acute Care Hospital
  • Arlington Heights, IL
  • NPI 1770531600
  Care Compare affiliation

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

{
    "created_epoch": "1730246400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778457600000",
    "number": "1578385639",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4820 OAKWOOD AVE",
            "city": "DOWNERS GROVE",
            "state": "IL",
            "postal_code": "605153456",
            "telephone_number": "708-218-5381"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4440 W 95TH ST",
            "city": "OAK LAWN",
            "state": "IL",
            "postal_code": "604532600",
            "telephone_number": "708-684-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3811 Highland Ave",
            "address_purpose": "LOCATION",
            "city": "Downers Grove",
            "state": "IL",
            "postal_code": "605151555",
            "country_code": "US",
            "telephone_number": "630-852-9300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "800 W Central Rd",
            "address_purpose": "LOCATION",
            "city": "Arlington Heights",
            "state": "IL",
            "postal_code": "600052349",
            "country_code": "US",
            "telephone_number": "847-618-1000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9600 Gross Point Rd.",
            "address_2": "Department of Anesthesia",
            "address_purpose": "LOCATION",
            "city": "Skokie",
            "state": "IL",
            "postal_code": "600761214",
            "country_code": "US",
            "telephone_number": "847-933-6909",
            "fax_number": "847-933-3829",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "USHER",
        "first_name": "ALLISON",
        "middle_name": "L",
        "name_prefix": "Miss",
        "credential": "APN-CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-10-30",
        "last_updated": "2026-05-11",
        "certification_date": "2026-05-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IL",
            "license": "209030884",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aconrad363011@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "4440 W 95th St",
            "city": "Oak Lawn",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604532600",
            "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": "4440 W 95th St",
            "city": "Oak Lawn",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604532600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Universal Rehabilitation Services P.C.
• University of Illinois Chicago/Acmc
• Varsha Upadhyaya, MD
• Imran Uraizee, M.D.
• Uropartners, LLC
• Abdulkadir Usman
• Chelessa Lee Usselman, ACNP-BC, BSN
• Leah M Ustas, M.D.
• V Upadhyaya MD LTD
• Indira Vadali, M.D.

• Certified Registered Nurse Anesthetist in Oak Lawn, IL
• Providers in Oak Lawn, IL by specialty
• Certified Registered Nurse Anesthetist in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.