Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HOUSTON REGIONAL GASTROENTEROLOGY INSTITUTE PLLC
Complete NPI Record 1326587643
Internal Medicine - Gastroenterology in Sugar Land, TX

Active since February 20, 2017
15555 CREEK BEND DR STE 200, SUGAR LAND, TX 77478(832) 707-5011 Get Directions

NPPES record last updated: June 17, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 22, 2026, Mar 3, 2026, May 30, 2025 and 3 more (6 updates tracked since 2017).

Complete NPI Dataset

This page contains the complete raw NPPES record for Houston Regional Gastroenterology Institute Pllc (NPI 1326587643), an internal medicine organization in Sugar Land, TX. All 34 fields on file are listed with their current values and official NPPES definitions, exactly as recorded in the National Plan and Provider Enumeration System. Only fields that contain data are included, so the number of fields shown varies from one NPI record to another.

Use the tools below to filter fields by category, search within the record, or jump straight to a specific field. You can download the full record as a CSV, JSON, Markdown or text file, or filter first and export only the fields you need. The Print Clean Summary button produces a printer-friendly copy of the record.

Registry File Document Utilities
NPI: 1326587643
Field 1/34
The 10-position all-numeric identification number assigned by the NPS to uniquely identify a health care provider. The NPI number includes an ISO standard check-digit in the 10th position. There is no intelligence about the health care provider in the number.
Entity Type Code: 2
Field 2/34
Code describing the type of health care provider that is being assigned an NPI. Codes are 1 = (Person): individual human being who furnishes health care; 2 = (Non-person): entity other than an individual human being that furnishes health care (for example, hospital, SNF, hospital subunit, pharmacy, or HMO).
Employer Identification Number EIN: Not available
Field 3/34
The Employer Identification Number (EIN), assigned by the IRS, of the provider being identified.
Provider Organization Name Legal Business Name: HOUSTON REGIONAL GASTROENTEROLOGY INSTITUTE PLLC
Field 4/34
The name of the organization provider. If the provider is an organization, this is the legal business name.
Provider Other Organization Name: Not available
Field 5/34
Other name by which the organization provider is or has been known.
Provider Other Organization Name Type Code: 6
Field 6/34
Code identifying the type of other name. Codes are: 1 = former name; 2 = professional name; 3 = doing business as (d/b/ a) name; 4 = former legal business name; 5 = other.
Provider First Line Business Mailing Address: 15555 CREEK BEND DR STE 200
Field 7/34
The first line mailing address of the provider being identified. This data element may contain the same information as "Provider first line location address".
Provider Business Mailing Address City Name: SUGAR LAND
Field 8/34
The city name in the mailing address of the provider being identified.
Provider Business Mailing Address State Name: TX
Field 9/34
The State or Province name in the mailing address of the provider being identified. This data element may contain the same information as "Provider location address State name".
Provider Business Mailing Address Postal Code: 774784670
Field 10/34
The postal ZIP or zone code in the mailing address of the provider being identified. NOTE: ZIP code plus 4-digit extension, if available. This data element may contain the same information as "Provider location address postal code".
Provider Business Mailing Address Country Code If outside U S : US
Field 11/34
The country code in the mailing address of the provider being identified. This data element may contain the same information as "Provider location address country code".
Provider First Line Business Practice Location Address: 15555 CREEK BEND DR STE 200
Field 12/34
The first line location address of the provider being identified. For providers with more than one physical location, this is the primary location. This address cannot include a Post Office box.
Provider Business Practice Location Address City Name: SUGAR LAND
Field 13/34
The city name in the location address of the provider being identified.
Provider Business Practice Location Address State Name: TX
Field 14/34
The State code in the location of the provider being identified.
Provider Business Practice Location Address Postal Code: 774784670
Field 15/34
The postal ZIP or zone code in the location address of the provider being identified. NOTE: ZIP code plus 4-digit extension, if available.
Provider Business Practice Location Address Country Code If outside U S : US
Field 16/34
The country code in the location address of the provider being identified.
Provider Business Practice Location Address Telephone Number: 8327075011
Field 17/34
The telephone number associated with the location address of the provider being identified.
Authorized Official Last Name: DWAIRY
Field 20/34
The last name of the person authorized to submit the NPI application or to change NPS data for a health care provider.
Authorized Official First Name: ADEEB
Field 21/34
The first name of the authorized official.
Authorized Official Title or Position: MEMBER
Field 22/34
The title or position of the authorized official.
Authorized Official Telephone Number: 2817310619
Field 23/34
The 10-position telephone number of the authorized official.
Healthcare Provider Taxonomy Code 1: 207LP2900X
Field 24/34
This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Healthcare Provider Primary Taxonomy Switch 1: N
Field 25/34
This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Healthcare Provider Taxonomy Code 2: 207RG0100X
Field 26/34
This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 2: P9555
Field 27/34
The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 2: TX
Field 28/34
The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 2: Y
Field 29/34
This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Is Organization Subpart: N
Field 30/34
Indicates whether the provider is a subpart of a larger organization. This is a single-character code: "Y" means the entity is an organizational subpart, while "N" means it is not. Subparts typically include hospital departments, clinics, or other distinct units that fall under a parent organization.
Authorized Official Credential Text: M.D.
Field 31/34
The professional credential(s) of the authorized official listed on the provider's NPI record. Examples include MD (Doctor of Medicine), DO (Doctor of Osteopathy), RN (Registered Nurse), DDS (Doctor of Dental Surgery), PhD, or other recognized designations that reflect the official's qualifications.
Healthcare Provider Taxonomy Group 1: 193200000X MULTI-SPECIALTY GROUP
Field 32/34
Specifies whether the provider is part of a single-specialty or multi-specialty business group. The possible values are: 193200000X – Multi-Specialty Group or 193400000X – Single Specialty Group. This field helps distinguish the organizational structure of a provider group.
Healthcare Provider Taxonomy Group 2: 193200000X MULTI-SPECIALTY GROUP
Field 33/34
Specifies whether the provider is part of a single-specialty or multi-specialty business group. The possible values are: 193200000X – Multi-Specialty Group or 193400000X – Single Specialty Group. This field helps distinguish the organizational structure of a provider group.

Other Organization Names 1

Additional business and trade names this provider has on file with the NPPES registry.

American Gastro Health Doing Business As
Name 1/1
Doing Business As: A trade name or operating name under which an organization provides services, distinct from its registered legal business name.

Secondary Practice Locations 25

The first line of the secondary practice location address of the provider being identified. For providers with more than one physical location, this is a secondary practice location address. This address cannot include a Post Office box.

17510 W Grand Pkwy S Ste 220
Location 1/25
Sugar Land, TX 77479-2647 · Phone (281) 201-1338
219 Oak Dr S Ste A
Location 2/25
Lake Jackson, TX 77566-5675 · Phone (979) 297-4033
284 Ed English Dr Ste A
Location 3/25
Shenandoah, TX 77385-8032 · Phone (832) 934-7675
10425 Huffmeister Rd Ste 200
Location 4/25
Houston, TX 77065-3429 · Phone (832) 912-4481
21814 Katy Fwy Ste 220
Location 5/25
Katy, TX 77449-8020 · Phone (832) 707-5011
920 Medical Plaza Dr Ste 550
Location 6/25
Shenandoah, TX 77380-3259 · Phone (281) 440-0101
18955 N Memorial Dr Ste 500
Location 7/25
Humble, TX 77338-4399 · Phone (281) 440-0101
19701 Kingwood Dr Bldg 2
Location 8/25
Kingwood, TX 77339-3773 · Phone (832) 707-5011
9816 Memorial Blvd Ste 206
Location 9/25
Humble, TX 77338-4206 · Phone (281) 446-8114
275 Lantern Bend Dr Ste 200
Location 10/25
Houston, TX 77090-2842 · Phone (281) 440-0101
16902 Southwest Fwy Ste 108
Location 11/25
Sugar Land, TX 77479-3574 · Phone (832) 707-5011 · Fax (281) 612-1992
24044 Highway 59 N
Location 12/25
Kingwood, TX 77339-1500 · Phone (281) 501-5652
25230 Kingsland Blvd Ste 102
Location 13/25
Katy, TX 77494-2097 · Phone (281) 869-3009
1631 North Loop W Ste 510
Location 14/25
Houston, TX 77008-1531 · Phone (713) 777-2555
6550 Fannin St Ste 2301
Location 15/25
Houston, TX 77030-2723 · Phone (713) 777-2555
24510 Kingsland Blvd
Location 16/25
Katy, TX 77494-3429 · Phone (832) 707-5011
9731 Wortham Blvd Ste 104
Location 17/25
Houston, TX 77065-3423 · Phone (832) 707-5011
21212 Northwest Fwy Ste 425A
Location 18/25
Cypress, TX 77429-5884 · Phone (832) 921-4481
1213 Hermann Dr Ste 278
Location 19/25
Houston, TX 77004-7009 · Phone (832) 707-5011
19701 Kingwood Dr Bldg 5
Location 20/25
Kingwood, TX 77339-3773 · Phone (832) 707-5011
9180 Pinecroft Dr Ste 250
Location 21/25
Shenandoah, TX 77380-4261 · Phone (832) 934-7675
26940 Kuykendahl Rd Ste 104
Location 22/25
Tomball, TX 77375-0158 · Phone (832) 707-5011
1240 Blalock Rd Ste 210
Location 23/25
Houston, TX 77055-6445 · Phone (281) 869-3009
7737 Southwest Fwy Ste 840
Location 24/25
Houston, TX 77074-1819 · Phone (713) 777-2555
2647 Cordes Dr
Location 25/25
Sugar Land, TX 77479-1353 · Phone (832) 707-5011
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