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DR. MARY FRANCES DEMELLIER PH.D.
NPI 1831293281
Marriage & Family Therapist in Houston, TX

Active since September 07, 2006
3400 BISSONNET, SUITE 270, HOUSTON, TX 77005(713) 666-1980(713) 668-6595 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Mary Frances Demellier Ph.d. NPPES

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

DR. MARY FRANCES DEMELLIER PH.D. (NPI 1831293281) is an individual marriage & family therapist in Houston, Texas, licensed in Texas (001557-001610) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1831293281
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameDR. MARY FRANCES DEMELLIERCredential: PH.D.
Location Address3400 BISSONNET, SUITE 270Houston, TX 77005-2192
Mailing Address3400 Bissonnet, Suite 270Houston, TX 77005-2192 · (713) 666-1980 · Fax (713) 668-6595
Phone(713) 666-1980
Fax(713) 668-6595
Sole ProprietorYes
Enumeration DateSeptember 7, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1831293281 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
License✔ Licensed in TX · 001557-001610
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 ListedPsychologistTaxonomy 103T00000X · License 2-2639 (TX)

Other Providers at the Same Location NPPES 2

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

MR. ALAN MICHAEL JACOBSON MA, LPC, LMFT
Marriage & Family Therapist
3400 BISSONNET, SUITE 270
HOUSTON, TX 77005
Harris County (713) 908-1944
MARA RUTH GITTESS MA LPC
Counselor (Professional)
3400 BISSONNET, SUITE 282
HOUSTON, TX 77005
Harris County (713) 666-1354

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 Mary Demellier's NPI number?

The NPI number for Mary Demellier is 1831293281. It was assigned to this individual provider in the NPPES registry on September 7, 2006.

Where is Mary Demellier located?

Mary Demellier practices at 3400 Bissonnet Suite 270, Houston, TX 77005. The listed phone number is (713) 666-1980.

What is Mary Demellier's specialty?

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

When was this NPI record last updated?

The NPPES record for Mary Demellier was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.