Individual provider Active NPI

Abraham Chacko, D.O.

  • Gastroenterology Physician
  • Sugar Land, TX
National Provider Identifier
1902117773
Registry record updated Feb 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
Q9309 Issued in TX
Practice address
15555 Creek Bend Dr Ste 200
Sugar Land, TX 77478-4670
Phone
(832) 707-5978
NPI assigned
Jun 27, 2010
Last updated
Feb 9, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 9, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X Q9309 TX Primary

Addresses

Primary practice location

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

Mailing address

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

Other practice location 1

16902 Southwest Fwy Ste 108
Sugar Land, TX 77479-3574
Phone (832) 707-5978

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address chacko.abraham.006.0430051@GC.meditab.direct-ci.com Health Information Exchange (HIE)

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
I20161110002558 TX Practitioner - Gastroenterology 0749569978 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Philadelphia College of Osteopathic Medicine, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Houston Regional Gastroenterology Institute PLLCGroup PAC ID 9436417672, 37 clinicians

Practice addresses (Care Compare)

15555 Creek Bend Dr
Suite 200
Sugar Land, TX 77478-4670
Phone (832) 707-5978

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy187
Upper gastrointestinal (GI) endoscopy for acid reflux206

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
Q9309TXMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Houston Regional Gastroenterology Institute PLLC Gastroenterology CurrentSince Apr 1, 2023 Accepting new patients
Texas Gastro Consultants, P.a. Gastroenterology CurrentSince Sep 4, 2016 Accepting new patients

Locations

24510 Northwest Fwy
Ste 445
Cypress, TX 77429

9731 Wortham Blvd
Ste 104
Houston, TX 77065
Phone (832) 707-5011

24510 Kingsland Blvd
Katy, TX 77494
Phone (281) 394-2390

19701 Kingwood Dr
Bldg 2
Kingwood, TX 77339
Phone (281) 446-9676

219 Oak Dr S
#A
Lake Jackson, TX 77566
Phone (979) 297-4033

15555 Creek Bend Dr
Ste 20
Sugar Land, TX 77478

15555 Creek Bend Dr
Ste 200
Sugar Land, TX 77478
Phone (814) 558-4677

16902 Southwest Fwy
Ste 108
Sugar Land, TX 77479
Phone (281) 207-2661

506 Graham Dr
Ste 100
Tomball, TX 77375
Phone (281) 351-6464

Interoperability endpoints

  • Direct secure messaging: chacko.abraham.006.0430051@gc.meditab.direct-ci.com
  • FHIR API: https://api.platform.athenahealth.com/17937/brand/1/csg/1/fhir/r4

Organizations & group practices 2

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.

Hospital & facility affiliations 5

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": "1277596800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770595200000",
    "number": "1902117773",
    "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": "832-707-5978"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "16902 Southwest Fwy Ste 108",
            "address_purpose": "LOCATION",
            "city": "Sugar Land",
            "state": "TX",
            "postal_code": "774793574",
            "country_code": "US",
            "telephone_number": "832-707-5978",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHACKO",
        "first_name": "ABRAHAM",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-06-27",
        "last_updated": "2026-02-09",
        "certification_date": "2026-02-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "TX",
            "license": "Q9309",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "chacko.abraham.006.0430051@GC.meditab.direct-ci.com",
            "affiliation": "N",
            "endpointDescription": "HIE DIRECT",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "OTHER",
            "address_1": "506 Graham Dr Ste 100",
            "city": "Tomball",
            "state": "TX",
            "country_code": "US",
            "postal_code": "773753348",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Sugar Land, TX

Sources for this page

Verify at the official NPI Registry.