Individual provider Active NPI

Dominique St Croix Williams, MD

  • Cardiovascular Disease Physician
  • Houston, TX
National Provider Identifier
1194089334
Registry record updated Aug 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
T6412 Issued in TX
Practice address
1504 Taub Loop
Houston, TX 77030-1608
Phone
(713) 873-8890
NPI assigned
Jul 3, 2012
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 17, 2025

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 2015013380 MO
Internal Medicine Physician 207R00000X T6412 TX
Cardiovascular Disease Physician 207RC0000X 2015013380 MO
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 346228 LA
Cardiovascular Disease Physician 207RC0000X T6412 TX Primary

Addresses

Primary practice location

1504 Taub Loop
Houston, TX 77030-1608

Mailing address

1 Baylor PLZ
Houston, TX 77030-3411
Phone (713) 798-1750

Other practice location 1

4921 Parkview Pl
Div IM Cardiology, Ste 8A
Saint Louis, MO 63110-1032
Phone (314) 362-1291

Other practice location 2

2820 Napoleon Ave
New Orleans, LA 70115-6969
Phone (504) 842-4000

Other identifiers 1

IdentifierTypeStateIssuer
200021788MedicaidMO

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Washington University

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, LA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20220816003876 TX Practitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 6305075623 Reassigns benefits to 1 organization
I20250730000023 LA Practitioner - Cardiovascular Disease (Cardiology) 6305075623 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Ochsner Clinic LLCGroup PAC ID 8224933619, 2,845 clinicians

Practice addresses (Care Compare)

2820 Napoleon Ave
New Orleans, LA 70115-6969
Phone (504) 842-5300

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
92.87 of 100Reported as group
Quality
87.77
Improvement activities
40
Cost
76.17

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
T6412TXMDInternal Medicine Physician
346228LAMDEndocrinology, Diabetes & Metabolism Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ochsner Clinic LLC CurrentSince Jun 23, 2025 Accepting new patients
Ochsner Clinic LLC Internal Medicine CurrentSince Jun 23, 2025 Accepting new patients
Ochsner Clinic LLC Current Accepting new patients
Baylor College of Medicine Internal Medicine CurrentSince May 6, 2022 Accepting new patients
Baylor College of Medicine CurrentSince May 6, 2022 Accepting new patients
Ozarks Medical Center Past Accepting new patients

Locations

2820 Napoleon Ave
New Orleans, LA 70115
Phone (504) 842-4960

1514 Jefferson Hwy
New Orleans, LA 70121

1504 Taub Loop
Houston, TX 77030
Phone (713) 873-2860

1 Baylor Plz
#2
Houston, TX 77030

Interoperability endpoints

  • Direct secure messaging: dwilliams2433472@direct.ochsner.org

Organizations & group practices 6

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

Hospital & facility affiliations 2

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": "1341273600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755388800000",
    "number": "1194089334",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 BAYLOR PLZ",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770303411",
            "telephone_number": "713-798-1750",
            "fax_number": "314-362-4278"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1504 TAUB LOOP",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301608",
            "telephone_number": "713-873-8890"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4921 Parkview Pl",
            "address_2": "Div IM Cardiology, Ste 8A",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631101032",
            "country_code": "US",
            "telephone_number": "314-362-1291",
            "fax_number": "314-362-4278",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2820 Napoleon Ave",
            "address_purpose": "LOCATION",
            "city": "New Orleans",
            "state": "LA",
            "postal_code": "701156969",
            "country_code": "US",
            "telephone_number": "504-842-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "DOMINIQUE",
        "middle_name": "ST CROIX",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-07-03",
        "last_updated": "2025-08-17",
        "certification_date": "2025-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2015013380",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "T6412",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MO",
            "license": "2015013380",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "LA",
            "license": "346228",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "TX",
            "license": "T6412",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200021788",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "4921 Parkview Pl",
            "address_2": "Div IM Cardiology, Ste 8A",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101032",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.