Mahmoud Allahham, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

S1968 Issued in TX

Practice address

6720 Bertner Ave
Houston, TX 77030-2604

Phone

(713) 798-2222

NPI assigned

Apr 26, 2016

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

Enrolled in TX

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.

Enrollment records 1

Specialty

Internal MedicineAlso: Hospitalist

Education

Baylor College of Medicine, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Physicians Referral ServiceGroup PAC ID 7911801410, 2,728 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Texas M D Anderson Cancer Center Hospital, Houston, TX, CCN 450076
• Memorial Hermann - Texas Medical Center Hospital, Houston, TX, CCN 450068

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Physicians Referral Service

  • Multi-Specialty Clinic/Center
  • Houston, TX
  • NPI 1073574810
  Medicare reassignment Care Compare group NPD
• Baylor College of Medicine

  • Family Medicine Physician
  • Houston, TX
  • NPI 1053352914
  Medicare reassignment NPD
• Baylor College of Medicine

  • Ph.D. Medical Genetics
  • Houston, TX
  • NPI 1881026664

  Internal Medicine

  Medicare reassignment NPD
• Baylor College of Medicine

  • Internal Medicine Physician
  • Houston, TX
  • NPI 1104867175
  NPD
• Baylor College of Medicine

  • Orthopaedic Surgery Physician
  • Sugar Land, TX
  • NPI 1700683844
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Memorial Hermann Health System

  • Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
  • Houston, TX
  • NPI 1437189115

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1982666111
  Care Compare affiliation
• University of Texas M. D. Anderson Cancer Center

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1174582050
  Care Compare affiliation

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

{
    "created_epoch": "1461628800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751846400000",
    "number": "1073968152",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6620 MAIN ST # 11B.285",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302348",
            "telephone_number": "713-798-2222",
            "fax_number": "713-798-0111"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6720 BERTNER AVE",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302604",
            "telephone_number": "713-798-2222"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Baylor Plz",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770303411",
            "country_code": "US",
            "telephone_number": "713-798-4951",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1504 Taub Loop",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770301608",
            "country_code": "US",
            "telephone_number": "713-873-8890",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1515 Holcombe Blvd",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770304000",
            "country_code": "US",
            "telephone_number": "713-792-6161",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALLAHHAM",
        "first_name": "MAHMOUD",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-26",
        "last_updated": "2025-07-07",
        "certification_date": "2025-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "BP10056209",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "S1968",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "S1968",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tova Liana Alladice, MD
• Aref Allaham, LSA
• Chrislyn Allahar
• Jeffrey Allahar, CRT/RCP
• Karim Allahdina, D.D.S.
• Michelle Denise Allain
• Anitha Kumari Allala-Ettireddy
• Belu Allam, MD
• Farida Hamdi Allam, PHARM.D.
• Koushikreddy Allam

• Internal Medicine Physician in Houston, TX
• Providers in Houston, TX by specialty
• Internal Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.