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

Individual provider Psychologist · NPI 1528591153

Nancy Illback Cook, PHD is a Psychologist in Bellaire, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2017
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

4500 Bissonnet St Ste 335
Bellaire, TX 77401-3120
Phone: (713) 666-6898
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 24908 (TX)

Record details

NPI number1528591153
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 10, 2017
Last updated in NPPESApril 10, 2017
Mailing address4500 Bissonnet St, Suite 335, Bellaire, TX 77401-3120

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