Mallory Paulette Kosow

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

085.008163 Issued in IL

Practice address

4400 W 95TH St Ste 413
Oak Lawn, IL 60453-2662

Phone

(708) 346-4055

NPI assigned

Sep 14, 2021

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 3

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

Rush Medical College of Rush University, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• Advocate Christ Hospital & Medical Center Hospital, Oak Lawn, IL, CCN 140208

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mkosow323931@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 and National Provider Directory roles.

• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment Care Compare group NPD (past)
• Advocate Health & Hospitals Corp.

  dba Bethany Hospital

  • Emergency Medicine Physician
  • Chicago, IL
  • NPI 1750315545
  NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Children's Hospital

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  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

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

{
    "created_epoch": "1631577600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765843200000",
    "number": "1548930431",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2342 W BLOOMINGDALE AVE APT 403",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606475616",
            "telephone_number": "603-965-5456"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4400 W 95TH ST STE 413",
            "city": "OAK LAWN",
            "state": "IL",
            "postal_code": "604532662",
            "telephone_number": "708-346-4055"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4440 W 95th St",
            "address_purpose": "LOCATION",
            "city": "Oak Lawn",
            "state": "IL",
            "postal_code": "604532600",
            "country_code": "US",
            "telephone_number": "708-684-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOSOW",
        "first_name": "MALLORY",
        "middle_name": "PAULETTE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-09-14",
        "last_updated": "2025-12-16",
        "certification_date": "2025-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085.008163",
            "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": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mkosow323931@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "4400 W 95th St Ste 413",
            "city": "Oak Lawn",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604532662",
            "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": "4400 W 95th St Ste 413",
            "city": "Oak Lawn",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604532662",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Rose Koochekpour
• Kathleen Kopale, DPT
• Erica D Kopf, APRN, CNP
• Rachel Korosa
• Daniel S Koscielski, MD
• Alekya Kothamasu, MD
• Adam Donovan Kovac, M.D.
• Barbara Kowalczyk, APRN
• Joseph A Kowalczyk, MD
• Karen Ann Kowalesik, DMD

• Physician Assistant in Oak Lawn, IL
• Providers in Oak Lawn, IL by specialty
• Physician Assistant in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 16, 2025; 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.