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

Individual provider Clinical Psychologist · NPI 1821774472

Zachary Sam Appenzeller, PSYD is a Clinical Psychologist in Houston, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2023
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

5615 H Mark Crosswell Jr St
Houston, TX 77021
Phone: (713) 500-1500
Fax: (713) 500-2714
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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 39769 (TX)

Record details

NPI number1821774472
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedJune 27, 2023
Last updated in NPPESJune 27, 2023
Certification dateJune 13, 2023

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