Mahmoud Hassanein

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

2026021987 Issued in MO

Practice address

1201 S Grand Blvd
Saint Louis, MO 63104-1016

Phone

(314) 257-8000

NPI assigned

Jul 14, 2026

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1783987200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784073600000",
    "number": "1023937877",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3853 LINDELL BLVD APT 303",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631083432"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1201 S GRAND BLVD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631041016",
            "telephone_number": "314-257-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HASSANEIN",
        "first_name": "MAHMOUD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-07-14",
        "last_updated": "2026-07-15",
        "certification_date": "2026-07-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2026021987",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rakhshanda Hassan, MD
• Samah Hassan, R.PH
• Syed Shabee Hassan, MD
• Tariq Hassan, MD
• Zahra Fatimah Hassan, MD
• Ihab Hassanieh, MD
• Malika Chakur Hassel, MD
• Doris M Hasser, OTR/L
• Tracey Marie Hasser, ANP-BC
• Michael Christopher Hassert, MSN, APN, AGNP-C

• Internal Medicine Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Internal Medicine Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 15, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.