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

Greta Caroline Lyders, PHD

Individual provider Clinical Psychologist · NPI 1629126081

Greta Caroline Lyders, PHD is a Clinical Psychologist in Tigard, Oregon. Qualified in 1999, 27 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California and Oregon.

Years since qualifying
27
Licensed in
CA, OR
In the registry since
2007
Specialties on file
2
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

7100 SW Hampton St Ste 128
Tigard, OR 97223-8377
Phone: (503) 342-2510
Fax: (503) 406-2637
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 2122 (OR)
Clinical Psychologist Taxonomy 103TC0700X · Licence PSY17288 (CA)

Record details

NPI number1629126081
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 8, 2007
Last updated in NPPESApril 10, 2018

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
Practice locations2 on file with Medicare

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