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

Mary Ellen Tonsager, PHD

Individual provider Clinical Psychologist · NPI 1598973836

Mary Ellen Tonsager, PHD is a Clinical Psychologist in Austin, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2007
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

3660 Stoneridge Rd Ste D102
Austin, TX 78746-7759
Phone: (512) 328-1465
Fax: (512) 328-9803
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 2-5804 (TX)

Record details

NPI number1598973836
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 18, 2007
Last updated in NPPESJuly 8, 2007

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