Alexander James Kiener, MD, MPH

Primary specialty

Pediatric Cardiology PhysicianTaxonomy code 2080P0202X

License

W2526 Issued in TX

Practice address

6651 Main St
Houston, TX 77030-2351

Phone

(832) 824-1000

NPI assigned

Mar 20, 2018

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

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

Pediatric MedicineAlso: Cardiovascular Disease (Cardiology)

Education

Other, 2018

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: akiener37184@direct.seattlechildrens.org
• Direct secure messaging: akiener416841@prddirect.texaschildrens.org

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.

• Texas Children'S Physician Group

  • Pediatrics Physician
  • Houston, TX
  • NPI 1861675506
  Medicare reassignment NPD

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

{
    "created_epoch": "1521504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768953600000",
    "number": "1790289320",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6651 MAIN ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302351"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6651 MAIN ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302351",
            "telephone_number": "832-824-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KIENER",
        "first_name": "ALEXANDER",
        "middle_name": "JAMES",
        "name_prefix": "Dr.",
        "credential": "MD, MPH",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-20",
        "last_updated": "2026-01-21",
        "certification_date": "2026-01-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "TX",
            "license": "W2526",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nicole M Kiehn, R.N.
• Edwin Dean Kieke, DC
• Robert Earl Kiel Jr.
• Marcia A. Kielhofner, M.D.
• Bridget Therese Kiely
• Melanie Ann Kiener, MD
• Jasmine Autumn Kieng, PA-C
• Kirsten Anderson Kienstra, MD
• Rachel Chundenu Kientcha -Tita, M.D
• Christa Kiernan, MA CCC-SLP

• Pediatric Cardiology Physician in Houston, TX
• Providers in Houston, TX by specialty
• Pediatric Cardiology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 21, 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.
• 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.