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

Dr. Dennis Joseph Grill, PHD

Individual provider Clinical Psychologist · NPI 1164412516

Dr. Dennis Joseph Grill, PHD is a Clinical Psychologist in Fort Sam Houston, Texas. Licensed in Texas. Registered with an NPI since 2005.

Licensed in
TX
In the registry since
2005
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

3851 Roger Brooke Dr Brooke Army Medical Center (mche-Qd/credentials)
Fort Sam Houston, TX 78234-4501
Phone: (210) 916-2460
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 22863 (TX)

Record details

NPI number1164412516
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 26, 2005
Last updated in NPPESJuly 13, 2026

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