NPIMap

Individual provider Active NPI

William H Sweatt, M.D.

  • Gastroenterology Physician
  • Lake Jackson, TX
National Provider Identifier
1255330445
Registry record updated Oct 17, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
K1308 Issued in TX
Practice address
219 Oak Dr S Ste a
Lake Jackson, TX 77566-5675
Phone
(979) 297-4033
NPI assigned
Jul 19, 2005
Last updated
Oct 17, 2023By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 17, 2023

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 K1308 TX Primary

Addresses

Primary practice location

219 Oak Dr S Ste a
Lake Jackson, TX 77566-5675

Mailing address

219 Oak Dr S
Lake Jackson, TX 77566-5675
Phone (979) 297-4033

Other identifiers 1

IdentifierTypeStateIssuer
142192702MedicaidTX

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address office@tummydoc.net Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20060227000209 TX Practitioner - GastroenterologyPractitioner - Family PracticePractitioner - Internal Medicine 8325015654 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Other, 1995
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
Primary Care Associates of Lake Jackson PLLCGroup PAC ID 1951623222, 2 clinicians
Gulf Coast Gastroenterology, PAGroup PAC ID 6608882857, 2 clinicians

Practice addresses (Care Compare)

1111 W Adoue St
Alvin, TX 77511-2718
Phone 28182414801594

219 Oak Dr S
A
Lake Jackson, TX 77566-5675
Phone (979) 297-4033

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as individual

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy202
Upper gastrointestinal (GI) endoscopy for acid reflux174

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
K1308TXMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Gulf Coast Gastroenterology, PA Specialist CurrentSince Oct 13, 2005 Accepting new patients
Gulf Coast Gastroenterology Lab Current Accepting new patients
CHN Medical Support Systems CurrentSince Jan 16, 2026 Accepting new patients
Houston Regional Gastroenterology Institute PLLC Gastroenterology CurrentSince Jun 1, 2025 Accepting new patients
Primary Care Associates of Lake Jackson, PLLC CurrentSince Sep 1, 2014 Accepting new patients
Stephen F. Austin Community Health Center, Inc. CurrentSince Jan 16, 2026 Accepting new patients
Teleios Anesthesia PLLC CurrentSince Jul 15, 2015 Accepting new patients
Stephen F Austin Community Health Center,Inc CurrentSince Jan 16, 2026 Accepting new patients
Lake Jackson Endoscopy Center, LP. Past Accepting new patients

Locations

1111 W Adoue St
Alvin, TX 77511
Phone 2818241480 ext. 1594

10851 Scarsdale Blvd
Ste 200
Houston, TX 77089
Phone (281) 481-4577

104 Circle Way St
Ste B
Lake Jackson, TX 77566
Phone (979) 217-1789

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

219 Oak Dr S
#A
Lake Jackson, TX 77566
Phone 9792974033 ext. 107

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

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/17937/brand/1/csg/1/fhir/r4
  • Direct secure messaging: office@tummydoc.net
  • Direct secure messaging: wsweatt@directaddress.net
  • Direct secure messaging: wsweatt458600@direct.stlukeshealth.org

Organizations & group practices 11

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 4

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": "1121731200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1697500800000",
    "number": "1255330445",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "219 OAK DR S",
            "city": "LAKE JACKSON",
            "state": "TX",
            "postal_code": "775665675",
            "telephone_number": "979-297-4033"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "219 OAK DR S STE A",
            "city": "LAKE JACKSON",
            "state": "TX",
            "postal_code": "775665675",
            "telephone_number": "979-297-4033"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SWEATT",
        "first_name": "WILLIAM",
        "middle_name": "H",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-07-19",
        "last_updated": "2023-10-17",
        "certification_date": "2023-10-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "TX",
            "license": "K1308",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "142192702",
            "state": "TX"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "office@tummydoc.net",
            "affiliation": "N",
            "endpointDescription": "inter-office secure email",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "General Info",
            "address_1": "219 Oak Dr S Ste A",
            "city": "Lake Jackson",
            "state": "TX",
            "country_code": "US",
            "postal_code": "775665675",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Lake Jackson, TX

Sources for this page

Verify at the official NPI Registry.