Active NPI
Dominique St Croix Williams, MD
- Cardiovascular Disease Physician
- Houston, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cardiovascular Disease Physician
- License
- T6412
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 200021788 | Medicaid | MO |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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, LA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
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
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 100
- 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
| License | State | Type | Specialty |
|---|---|---|---|
| T6412 | TX | MD | Internal Medicine Physician |
| 346228 | LA | MD | Endocrinology, Diabetes & Metabolism Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ochsner Clinic LLC | Current | Accepting new patients | |
| Ochsner Clinic LLC | Internal Medicine | Current | Accepting new patients |
| Ochsner Clinic LLC | Current | Accepting new patients | |
| Baylor College of Medicine | Internal Medicine | Current | Accepting new patients |
| Baylor College of Medicine | Current | 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
- 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.
-
- General Practice Physician
- New Orleans, LA
- NPI 1538151428
-
- Family Medicine Physician
- Houston, TX
- NPI 1053352914
-
- Internal Medicine Physician
- Houston, TX
- NPI 1104867175
-
- General Practice Physician
- Lockport, LA
- NPI 1598948267
-
- General Acute Care Hospital
- West Plains, MO
- NPI 1831115641
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- New Orleans, LA
- NPI 1811973100
-
- General Acute Care Hospital
- Kenner, LA
- NPI 1710097936
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.