Malek Ayoub, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

036.173747 Issued in IL

Practice address

5841 S Maryland Ave # Mc4076
Chicago, IL 60637-1443

Phone

(773) 795-1824

Fax

(773) 702-2182

NPI assigned

Apr 23, 2022

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1650672000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747440000000",
    "number": "1609510981",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "180 HARVESTER DR STE 110",
            "city": "BURR RIDGE",
            "state": "IL",
            "postal_code": "605274503",
            "telephone_number": "773-702-1150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5841 S MARYLAND AVE # MC4076",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606371443",
            "telephone_number": "773-795-1824",
            "fax_number": "773-702-2182"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Barnes Jewish Hospital Plz",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631101003",
            "country_code": "US",
            "telephone_number": "314-362-8061",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AYOUB",
        "first_name": "MALEK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-23",
        "last_updated": "2025-05-17",
        "certification_date": "2025-05-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2022019854",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IL",
            "license": "036.173747",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Francisco Padel Ayhon Jr.
• Leeann Aylor, M.S. CCC-SLP
• Rofiatou Adunni Ayoola
• Jonah Gilongos Ayos, RPT
• Ehab Alfered Ayoub
• Mira Adly Mahmoud Ayoub
• Mustapha Ayoub, PHARMD
• Joseph Matthew Ayres, LSW
• Koren Ayres, LCSW
• Ayt DDS PC

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 17, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.