Hazem Edmond El-Osta, MD

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

R0223 Issued in TX

Practice address

7200 Cambridge St., 7TH Floor, Suite 7 B,
Houston, TX 77030

Phone

(713) 798-3750

NPI assigned

May 4, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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": "1178236800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787097600000",
    "number": "1497967194",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6410 FANNIN ST",
            "address_2": "SUITE 830",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770303000",
            "telephone_number": "832-325-7702",
            "fax_number": "713-512-7132"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7200 CAMBRIDGE ST., 7TH FLOOR, SUITE 7 B,",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "77030",
            "telephone_number": "713-798-3750"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6400 Fannin St",
            "address_2": "Suite 2900",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770301521",
            "country_code": "US",
            "telephone_number": "832-325-7702",
            "fax_number": "713-512-7132",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "EL-OSTA",
        "first_name": "HAZEM",
        "middle_name": "EDMOND",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-05-04",
        "last_updated": "2026-08-19",
        "certification_date": "2026-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "LA",
            "license": "MD.203644",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "TX",
            "license": "R0223",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "LA",
            "license": "MD.203644",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nathalie El-Khoury, MD
• Yassmen El-Kulak, PA-C
• Leila El-Kweifi, DO
• Saja El-Masri, PHARMD
• Adel K. El-Naggar, M.D. PHD
• Fady Elias El-Saghbini, M.D.
• Hashem Beshir El-Serag, MD, MPH
• Rola El-Serag, M.D.
• El-Shaddai Care Services, Inc.
• Ziad El-Zaatari, M.D.

• Medical Oncology Physician in Houston, TX
• Providers in Houston, TX by specialty
• Medical Oncology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 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.