Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Mary Frances Demellier, PHD

Individual provider Psychologist · NPI 1831293281

Dr. Mary Frances Demellier, PHD is a Psychologist in Houston, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

3400 Bissonnet Ste 270
Houston, TX 77005-2192
Phone: (713) 666-1980
Fax: (713) 668-6595
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 001557-001610 (TX)
Psychologist Taxonomy 103T00000X · Licence 2-2639 (TX)

Record details

NPI number1831293281
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 7, 2006
Last updated in NPPESSeptember 11, 2025

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