Houston Regional Gastroenterology Institute PLLC

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

P9555 Issued in TX

Legal business name

HOUSTON REGIONAL GASTROENTEROLOGY INSTITUTE PLLC

Practice address

15555 Creek Bend Dr Ste 200
Sugar Land, TX 77478-4670

Phone

(832) 707-5011

NPI assigned

Feb 20, 2017

Organization subpart

No

Name

Adeeb Dwairy, M.D.NPI 1679826929

Title

Member

Phone

(281) 731-0619

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Adeeb Jay Dwairy, MD

  • Gastroenterology Physician
  • Sugar Land, TX
  • NPI 1679826929

  Gastroenterology, TX

  Medicare reassignment Care Compare group NPD Authorized official
• Shaadi John Abughazaleh

  • Gastroenterology Physician
  • Sugar Land, TX
  • NPI 1487159984

  Gastroenterology, TX

  Medicare reassignment Care Compare group NPD
• Babatunde Olufemi Adeyefa, M.D.

  • Gastroenterology Physician
  • Houston, TX
  • NPI 1699940528

  Gastroenterology, TX

  Medicare reassignment Care Compare group NPD
• Nancy Aguilera

  • Family Nurse Practitioner
  • Houston, TX
  • NPI 1528631181

  TX

  Medicare reassignment Care Compare group NPD
• Agnes Asamah, FNP-C

  • Nurse Practitioner
  • Houston, TX
  • NPI 1336618511

  TX

  Medicare reassignment Care Compare group NPD
• Vanitha Bala, M.D.

  • Gastroenterology Physician
  • Shenandoah, TX
  • NPI 1386662351

  Gastroenterology, TX

  Medicare reassignment Care Compare group NPD
• Ryan R Barrientos, MD

  • Gastroenterology Physician
  • Houston, TX
  • NPI 1982975405

  Gastroenterology, TX

  Medicare reassignment Care Compare group NPD
• Daniel Burkholder, MD

  • Gastroenterology Physician
  • Houston, TX
  • NPI 1871153981

  Gastroenterology, TX

  Medicare reassignment Care Compare group NPD
• Abraham Chacko, D.O.

  • Gastroenterology Physician
  • Sugar Land, TX
  • NPI 1902117773

  Gastroenterology, TX

  Medicare reassignment Care Compare group NPD
• Concepcion Delos Reyes

  • Family Nurse Practitioner
  • Plano, TX
  • NPI 1154854214

  TX

  Medicare reassignment Care Compare group NPD
• John Thomas Dugan III, MD

  • Gastroenterology Physician
  • Houston, TX
  • NPI 1154677755

  Gastroenterology, TX

  Medicare reassignment Care Compare group NPD
• Georg Elias, M.D

  • Gastroenterology Physician
  • Kingwood, TX
  • NPI 1952542680

  Gastroenterology, TX

  Medicare reassignment Care Compare group NPD

Medicare fee-for-service enrollment

Enrolled in TX

Enrollment records 1

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/17937/brand/1/csg/1/fhir/r4

• American Gastro Health Doing business as

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Jun 17, 2026.

{
    "created_epoch": "1487548800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1781654400000",
    "number": "1326587643",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15555 CREEK BEND DR STE 200",
            "city": "SUGAR LAND",
            "state": "TX",
            "postal_code": "774784670"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15555 CREEK BEND DR STE 200",
            "city": "SUGAR LAND",
            "state": "TX",
            "postal_code": "774784670",
            "telephone_number": "832-707-5011"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "17510 W Grand Pkwy S Ste 220",
            "address_purpose": "LOCATION",
            "city": "Sugar Land",
            "state": "TX",
            "postal_code": "774792647",
            "country_code": "US",
            "telephone_number": "281-201-1338",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "219 Oak Dr S Ste A",
            "address_purpose": "LOCATION",
            "city": "Lake Jackson",
            "state": "TX",
            "postal_code": "775665675",
            "country_code": "US",
            "telephone_number": "979-297-4033",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "284 Ed English Dr Ste A",
            "address_purpose": "LOCATION",
            "city": "Shenandoah",
            "state": "TX",
            "postal_code": "773858032",
            "country_code": "US",
            "telephone_number": "832-934-7675",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10425 Huffmeister Rd Ste 200",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770653429",
            "country_code": "US",
            "telephone_number": "832-912-4481",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "21814 Katy Fwy Ste 220",
            "address_purpose": "LOCATION",
            "city": "Katy",
            "state": "TX",
            "postal_code": "774498020",
            "country_code": "US",
            "telephone_number": "832-707-5011",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "920 Medical Plaza Dr Ste 550",
            "address_purpose": "LOCATION",
            "city": "Shenandoah",
            "state": "TX",
            "postal_code": "773803259",
            "country_code": "US",
            "telephone_number": "281-440-0101",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "18955 N Memorial Dr Ste 500",
            "address_purpose": "LOCATION",
            "city": "Humble",
            "state": "TX",
            "postal_code": "773384399",
            "country_code": "US",
            "telephone_number": "281-440-0101",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9816 Memorial Blvd Ste 206",
            "address_purpose": "LOCATION",
            "city": "Humble",
            "state": "TX",
            "postal_code": "773384206",
            "country_code": "US",
            "telephone_number": "281-446-8114",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "275 Lantern Bend Dr Ste 200",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770902842",
            "country_code": "US",
            "telephone_number": "281-440-0101",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "16902 Southwest Fwy Ste 108",
            "address_purpose": "LOCATION",
            "city": "Sugar Land",
            "state": "TX",
            "postal_code": "774793574",
            "country_code": "US",
            "telephone_number": "832-707-5011",
            "fax_number": "281-612-1992",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "24044 Highway 59 N",
            "address_purpose": "LOCATION",
            "city": "Kingwood",
            "state": "TX",
            "postal_code": "773391500",
            "country_code": "US",
            "telephone_number": "281-501-5652",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "25230 Kingsland Blvd Ste 102",
            "address_purpose": "LOCATION",
            "city": "Katy",
            "state": "TX",
            "postal_code": "774942097",
            "country_code": "US",
            "telephone_number": "281-869-3009",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1631 North Loop W Ste 510",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770081531",
            "country_code": "US",
            "telephone_number": "713-777-2555",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6550 Fannin St Ste 2301",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770302723",
            "country_code": "US",
            "telephone_number": "713-777-2555",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "24510 Kingsland Blvd",
            "address_purpose": "LOCATION",
            "city": "Katy",
            "state": "TX",
            "postal_code": "774943429",
            "country_code": "US",
            "telephone_number": "832-707-5011",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9731 Wortham Blvd Ste 104",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770653423",
            "country_code": "US",
            "telephone_number": "832-707-5011",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "21212 Northwest Fwy Ste 425A",
            "address_purpose": "LOCATION",
            "city": "Cypress",
            "state": "TX",
            "postal_code": "774295884",
            "country_code": "US",
            "telephone_number": "832-921-4481",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1213 Hermann Dr Ste 278",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770047009",
            "country_code": "US",
            "telephone_number": "832-707-5011",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "19701 Kingwood Dr Bldg 5",
            "address_purpose": "LOCATION",
            "city": "Kingwood",
            "state": "TX",
            "postal_code": "773393773",
            "country_code": "US",
            "telephone_number": "832-707-5011",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9180 Pinecroft Dr Ste 250",
            "address_purpose": "LOCATION",
            "city": "Shenandoah",
            "state": "TX",
            "postal_code": "773804261",
            "country_code": "US",
            "telephone_number": "832-934-7675",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "26940 Kuykendahl Rd Ste 104",
            "address_purpose": "LOCATION",
            "city": "Tomball",
            "state": "TX",
            "postal_code": "773750158",
            "country_code": "US",
            "telephone_number": "832-707-5011",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1240 Blalock Rd Ste 210",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770556445",
            "country_code": "US",
            "telephone_number": "281-869-3009",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7737 Southwest Fwy Ste 840",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770741819",
            "country_code": "US",
            "telephone_number": "713-777-2555",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2647 Cordes Dr",
            "address_purpose": "LOCATION",
            "city": "Sugar Land",
            "state": "TX",
            "postal_code": "774791353",
            "country_code": "US",
            "telephone_number": "832-707-5011",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "19701 Kingwood Dr Bldg 2",
            "address_purpose": "LOCATION",
            "city": "Kingwood",
            "state": "TX",
            "postal_code": "773393773",
            "country_code": "US",
            "telephone_number": "832-707-5011",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "HOUSTON REGIONAL GASTROENTEROLOGY INSTITUTE PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2017-02-20",
        "last_updated": "2026-06-17",
        "certification_date": "2026-06-17",
        "status": "A",
        "authorized_official_last_name": "DWAIRY",
        "authorized_official_first_name": "ADEEB",
        "authorized_official_title_or_position": "MEMBER",
        "authorized_official_telephone_number": "281-731-0619",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207LP2900X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Anesthesiology, Pain Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "TX",
            "license": "P9555",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "American Gastro Health",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Houston Methodist Hospital Sugar Land
• Houston Optic PLLC
• Houston Optic, PLLC
• Houston Pediatric Neurology and Sleep PLLC
• Houston Pure Hands LLC
• Houston Shifa Services Foundation
• Houston Southwest Colon and Rectal Clinic, PLLC
• Houston Southwest Physical Therapy
• Houston Sports Perfromance and Rehab, LLC
• Houston Total Home Care, Inc.

• All providers in Sugar Land, TX
• Gastroenterology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.