Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Christy (Catherine) Matthews Stammen, PHD

Individual provider Clinical Psychologist · NPI 1629127220

Dr. Christy (Catherine) Matthews Stammen, PHD is a Clinical Psychologist in Plano, Texas. Qualified in 1999, 27 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
27
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.

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Practice location Address checks out

1700 Alma Dr Ste 205
Plano, TX 75075-6937
Phone: (972) 509-2611
Fax: (972) 578-5742
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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 31913 (TX)

Record details

NPI number1629127220
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedJanuary 10, 2007
Last updated in NPPESApril 3, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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