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

Dr. Martha E Duffer, PSYD

Individual provider Clinical Psychologist · NPI 1396920807

Dr. Martha E Duffer, PSYD is a Clinical Psychologist in Austin, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2008
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

504 W 17th St
Austin, TX 78701-1203
Phone: (512) 476-5683
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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 25374 (TX)

Record details

NPI number1396920807
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedJanuary 2, 2008
Last updated in NPPESJanuary 2, 2008
Mailing address504 W 17th St, Austin, TX 78701-1203

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