Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mary Ellen McNaughton-Cassill, PHD

Individual provider Clinical Psychologist · NPI 1164682183

Dr. Mary Ellen McNaughton-Cassill, PHD is a Clinical Psychologist in San Antonio, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2008
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

325 E Sonterra Blvd Ste 230
San Antonio, TX 78258-4054
Phone: (210) 545-6860
Fax: (210) 545-6869
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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 25229 (TX)

Record details

NPI number1164682183
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 12, 2008
Last updated in NPPESJune 12, 2008

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