1. Home
  2. Directory
  3. Texas
  4. Houston
  5. Marriage Family Therapist
  6. NPI Profile

GUILLAUME MARRIAGE AND FAMILY COUNSELING OF TEXAS, P.C.
NPI 1881271005
Marriage & Family Therapist in Houston, TX

Active since March 25, 2021
20333 STATE HIGHWAY 249 STE 200, HOUSTON, TX 77070(800) 887-0316(971) 352-4229 Get Directions Write a Review

NPPES record last updated: April 15, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 15, 2026, Sep 2, 2025, May 8, 2025 and 2 more (5 updates tracked since 2021).

About Guillaume Marriage And Family Counseling Of Texas, P.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GUILLAUME MARRIAGE AND FAMILY COUNSELING OF TEXAS, P.C. (NPI 1881271005), doing business as Guillaume Marriage And Family Counseling, is a healthcare organization registered as a marriage & family therapist in Houston, Texas and active in the NPI registry since March 2021. The organization lists Nahomie Guillaume, President, as its authorized official.

NPPES Registry Identity

NPI1881271005
Entity TypeOrganization
Primary Taxonomy106H00000X
Legal Business NameGUILLAUME MARRIAGE AND FAMILY COUNSELING OF TEXAS, P.C.
Location Address20333 STATE HIGHWAY 249 STE 200Houston, TX 77070-2613
Mailing Address20333 State Highway 249 Ste 200Houston, TX 77070-2613 · (800) 887-0316 · Fax (971) 352-4229
Phone(800) 887-0316
Fax(971) 352-4229
Organization SubpartNo
Authorized OfficialNahomie GuillaumePresident · (503) 922-3360
Enumeration DateMarch 25, 2021
Last NPPES UpdateApril 15, 20265 updates tracked since enumeration
NPPES CertifiedApril 15, 2026
✔ NPI 1881271005 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X
20333 STATE HIGHWAY 249 STE 200, Houston, TX 77070
Open in Google Maps ↗

Other Names 1

Doing Business AsGuillaume Marriage And Family Counseling

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LUNA COUNSELING HOUSTON PLLC
Community/Behavioral Health
20333 STATE HIGHWAY 249 STE 200
HOUSTON, TX 77070
Harris County (832) 947-3993
ASHLEY LYNNE STRATTON LCSW
Social Worker (Clinical)
20333 STATE HIGHWAY 249 STE 200
HOUSTON, TX 77070
Harris County (832) 947-3993
DOMINIQUE TIMOTHEE
Counselor (Professional)
20333 STATE HIGHWAY 249 STE 200
HOUSTON, TX 77070
Harris County (503) 922-3360
MRS. MARIA ESPANA LCSW
Social Worker (Clinical)
20333 STATE HIGHWAY 249 STE 200
HOUSTON, TX 77070
Harris County (832) 947-3993
MERRISSA ANNE WESLEY
Nurse Practitioner (Psychiatric/Mental Health)
20333 STATE HIGHWAY 249 STE 200
HOUSTON, TX 77070
Harris County (833) 629-7472
SHAN A KHAN
Physical Therapy Assistant
20333 STATE HIGHWAY 249 STE 200
HOUSTON, TX 77070
Harris County (504) 723-0058
SHEIK BACCHUS
Physical Therapist
20333 STATE HIGHWAY 249 STE 200
HOUSTON, TX 77070
Harris County (281) 748-9088
OAYSIS BEHAVIORAL CONSULTANTS PLLC
Nurse Practitioner (Psychiatric/Mental Health)
20333 STATE HIGHWAY 249 STE 200
HOUSTON, TX 77070
Harris County (833) 629-7472

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Guillaume Marriage And Family Counseling Of Texas, P.C.'s NPI number?

The NPI number for Guillaume Marriage And Family Counseling Of Texas, P.C. is 1881271005. It was assigned to this organization in the NPPES registry on March 25, 2021. The provider is doing business as Guillaume Marriage and Family Counseling.

Where is Guillaume Marriage And Family Counseling Of Texas, P.C. located?

Guillaume Marriage And Family Counseling Of Texas, P.C. is located at 20333 State Highway 249 Ste 200, Houston, TX 77070. The listed phone number is (800) 887-0316.

What is Guillaume Marriage And Family Counseling Of Texas, P.C.'s specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

What insurance does Guillaume Marriage And Family Counseling Of Texas, P.C. accept?

Health plans from Blue Cross and Blue Shield of Texas list Guillaume Marriage And Family Counseling Of Texas, P.C. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Guillaume Marriage And Family Counseling Of Texas, P.C. was last updated on April 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.