Osama Maher Khader Mustafa, M.D

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

125.088944 Issued in IL

Practice address

4201 Medical Center Drive
McHenry, IL 60050

Phone

(815) 759-4726

Fax

(815) 759-8255

NPI assigned

Apr 7, 2026

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

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1775520000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1730021064",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4201 MEDICAL CENTER DRIVE",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "60050",
            "telephone_number": "779-378-8824"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4201 MEDICAL CENTER DRIVE",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "60050",
            "telephone_number": "815-759-4726",
            "fax_number": "815-759-8255"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MUSTAFA",
        "first_name": "OSAMA",
        "middle_name": "MAHER KHADER",
        "name_prefix": "Mr.",
        "credential": "M.D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-04-07",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125.088944",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Leslie Murillo Gonzalez
• Jessica Lynn Murphy
• Kris Ann Murray, M.S., LCPC
• Kayondo Patricia Musanje
• Iman Mushfiq Farooqui, M.D
• Eria Muwanguzi, M.D.
• Mundia K Mwanangumbi
• Sarah Myers
• Ricardo N Nabong, M.D.
• Amin Ur-Rehman Nadeem, MD

• Internal Medicine Physician in McHenry, IL
• Providers in McHenry, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.