Organization Active NPI

Guillaume Marriage and Family Counseling of Texas, P.C.

  • Marriage & Family Therapist
  • Houston, TX
National Provider Identifier
1881271005
Registry record updated Apr 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Marriage & Family TherapistTaxonomy code 106H00000X
Legal business name
GUILLAUME MARRIAGE AND FAMILY COUNSELING OF TEXAS, P.C.
Practice address
20333 State Highway 249 Ste 200
Houston, TX 77070-2613
Phone
(800) 887-0316
Fax
(971) 352-4229
NPI assigned
Mar 25, 2021
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Apr 15, 2026

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

Authorized official

Name
Mrs. Nahomie Guillaume, LMFTNPI 1609085661
Title
President
Phone
(503) 922-3360

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Professional CounselorGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 101YP2500X
Marriage & Family TherapistGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 106H00000X Primary

Addresses

Primary practice location

20333 State Highway 249 Ste 200
Houston, TX 77070-2613

Mailing address

20333 State Highway 249 Ste 200
Houston, TX 77070-2613
Phone (800) 887-0316

Other names 1

  • Guillaume Marriage and Family Counseling Doing business as

National Provider Directory

National Provider Directory

Locations

12340 Jones Rd
Ste 250
Houston, TX 77070
Phone (503) 922-3360

Practitioners & affiliated clinicians

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1616630400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776211200000",
    "number": "1881271005",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20333 STATE HIGHWAY 249 STE 200",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770702613",
            "telephone_number": "800-887-0316",
            "fax_number": "971-352-4229"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20333 STATE HIGHWAY 249 STE 200",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770702613",
            "telephone_number": "800-887-0316",
            "fax_number": "971-352-4229"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GUILLAUME MARRIAGE AND FAMILY COUNSELING OF TEXAS, P.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2021-03-25",
        "last_updated": "2026-04-15",
        "certification_date": "2026-04-15",
        "status": "A",
        "authorized_official_last_name": "GUILLAUME",
        "authorized_official_first_name": "NAHOMIE",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "503-922-3360",
        "authorized_official_name_prefix": "Mrs.",
        "authorized_official_credential": "LMFT"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Counselor, Professional",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "106H00000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Marriage & Family Therapist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Guillaume Marriage and Family Counseling",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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 Apr 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.