Ali Aamar

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

T5801 Issued in TX

Practice address

18123 Upper Bay Rd Ste 400
Houston, TX 77058-3875

Phone

(281) 523-3320

Fax

(281) 523-3321

NPI assigned

May 8, 2014

Last updated

Aug 6, 2025By the provider in NPPES

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

Gastroenterology

Education

Other, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

TMH Physician Associates PLLCGroup PAC ID 4486711744, 1,881 clinicians

Houston Methodist Specialty PhysiciansGroup PAC ID 5193239796, 1,498 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Houston Methodist Clear Lake Hospital Hospital, Nassau Bay, TX, CCN 450709
• Houston Methodist Baytown Hospital Hospital, Baytown, TX, CCN 450424
• Houston Methodist Hospital Hospital, Houston, TX, CCN 450358

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aaamar416605@directhoustonmethodist.org
• Direct secure messaging: aaamar555755@nychhc.direct-ci.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Houston Methodist Specialty Physicians

  • Otolaryngology Physician
  • Houston, TX
  • NPI 1902614332
  Medicare reassignment Care Compare group NPD
• TMH Physician Associates PLLC

  • Ophthalmology Physician
  • Houston, TX
  • NPI 1275779225

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• TMH Physician Associates PLLC

  • Orthopaedic Surgery Physician
  • Spring, TX
  • NPI 1043061351
  NPD
• Houston Methodist

  • Nurse Practitioner
  • Houston, TX
  • NPI 1992178693
  NPD (past)

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

• Houston Methodist St. John Hospital

  dba Houston Methodist Clear Lake Hospital

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1952723967
  Care Compare affiliation
• San Jacinto Methodist Hospital

  dba Houston Methodist Baytown Hospital

  • General Acute Care Hospital
  • Baytown, TX
  • NPI 1891789772
  Care Compare affiliation
• The Methodist Hospital

  dba Houston Methodist Hospital

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1548387418
  Care Compare affiliation

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

{
    "created_epoch": "1399507200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754438400000",
    "number": "1922419209",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18123 UPPER BAY RD STE 400",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770583875",
            "telephone_number": "281-333-1703"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18123 UPPER BAY RD STE 400",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770583875",
            "telephone_number": "281-523-3320",
            "fax_number": "281-523-3321"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AAMAR",
        "first_name": "ALI",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-05-08",
        "last_updated": "2025-08-06",
        "certification_date": "2025-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "TX",
            "license": "T5801",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kjersti Marie Aagaard-Tillery, MD
• Aalfa LLC
• Soroush Aalipourbirgani, MD
• Altaf Aalwawee, RPH
• Aamani Health & Community Services Inc. (Aamani Durable Medical Equipment)
• Daniyal Aamir, M.D.
• Aapex Community Pharmacy Inc (Aapex Pharmacy DME)
• Aapex Community Pharmacy Inc (Aapex Pharmacy)
• Aapex Pharmacy 1
• Aapex Retail Industries (Aapex Pharmacy)

• Gastroenterology Physician in Houston, TX
• Providers in Houston, TX by specialty
• Gastroenterology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 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.