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

Mariah Diane Corey, PHD

Individual provider Clinical Psychologist · NPI 1942028386

Mariah Diane Corey, PHD is a Clinical Psychologist in Seatac, Washington. Qualified in 2024, 2 years ago. Works from 2 locations. Licensed in Washington.

Years since qualifying
2
Licensed in
WA
In the registry since
2024
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

4040 S 188th St Ste 201
Seatac, WA 98188-5070
Phone: (206) 277-7200
Fax: (206) 277-7202
Show map & directions

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

Additional practice locations (1)

  • 6901 Sand Point Way Ne # Ms -221, Seattle, WA 98115-7869 — (206) 987-2164

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PY61663553 (WA)
Clinical Psychologist Taxonomy 103TC0700X · Licence PY61663553 (WA)

Record details

NPI number1942028386
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 2, 2024
Last updated in NPPESJuly 7, 2026
Certification dateJuly 7, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Accepts Medicare assignment Not indicated

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