Individual provider Active NPI

Ihab Hajjar, MD,MS

  • Geriatric Medicine (Internal Medicine) Physician
  • Dallas, TX
National Provider Identifier
1891723912
Registry record updated Jun 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X
License
T7425 Issued in TX
Practice address
5303 Harry Hines Blvd
Dallas, TX 75390-5310
Phone
(323) 442-5100
NPI assigned
Jun 29, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 18, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Geriatric Medicine (Internal Medicine) Physician 207RG0300X 227075 MA
Geriatric Medicine (Internal Medicine) Physician 207RG0300X C54104 CA
Geriatric Medicine (Internal Medicine) Physician 207RG0300X T7425 TX Primary
Geriatric Medicine (Internal Medicine) Physician 207RG0300X 70835 GA

Addresses

Primary practice location

5303 Harry Hines Blvd
Dallas, TX 75390-5310

Mailing address

5323 Harry Hines Blvd
Dallas, TX 75390-7201
Phone (047) 121-7634

Other practice location 1

7200 Cambridge St
Houston, TX 77030-4202
Phone (713) 798-1000

Other identifiers 3

IdentifierTypeStateIssuer
GR0100430OtherCAGROUP MEDI-CAL
1902846306OtherCAGROUP NPI
W18762OtherCAGROUP MEDICARE

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20220805000542 TX Practitioner - NeurologyPractitioner - Internal MedicinePractitioner - Geriatric Medicine 1658388202 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Geriatric Medicine
Education
Other, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

5303 Harry Hines Blvd
Dallas, TX 75390-7208
Phone (214) 590-5601

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
82.87 of 100Reported as group
Quality
70.15
Promoting interoperability
100
Improvement activities
40
Cost
72.75

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine, Master of Science

State licenses

LicenseStateTypeSpecialty
70835GAMDGeriatric Medicine (Internal Medicine) Physician
227075MAMDGeriatric Medicine (Internal Medicine) Physician
T7425TXMDGeriatric Medicine (Internal Medicine) Physician
21612SCMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
The University of Texas Southwestern Medical Center at Dallas CurrentSince Aug 11, 2022 Accepting new patients
University of Texas Southwestern Medical Center at Dallas Neurology CurrentSince Aug 11, 2022 Accepting new patients
University of Texas Southwestern Medical Center at Dallas Current Accepting new patients

Locations

5323 Harry Hines Blvd
Ut Southwest Medical Center, TX 75390

5303 Harry Hines Blvd
Ut Southwest Medical Center, TX 75390
Phone (214) 645-2300

Organizations & group practices 4

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1151539200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781740800000",
    "number": "1891723912",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5323 HARRY HINES BLVD",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "753907201",
            "telephone_number": "047-121-7634"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5303 HARRY HINES BLVD",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "753905310",
            "telephone_number": "323-442-5100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7200 Cambridge St",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770304202",
            "country_code": "US",
            "telephone_number": "713-798-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAJJAR",
        "first_name": "IHAB",
        "credential": "MD,MS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-29",
        "last_updated": "2026-06-18",
        "certification_date": "2026-06-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "MA",
            "license": "227075",
            "primary": false
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "CA",
            "license": "C54104",
            "primary": false
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "TX",
            "license": "T7425",
            "primary": true
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "GA",
            "license": "70835",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GROUP MEDI-CAL",
            "identifier": "GR0100430",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GROUP NPI",
            "identifier": "1902846306",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GROUP MEDICARE",
            "identifier": "W18762",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

Verify at the official NPI Registry.