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

Alvina Mary Marris, PHD

Individual provider Psychologist · NPI 1780967380

Alvina Mary Marris, PHD is a Clinical Psychologist in Grand Coulee, Washington. Qualified in 2012, 14 years ago. Practices with Douglas, Grant, Lincoln and Okanogan Counties Public Hospital District, a 40-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
14
Licensed in
WA
In the registry since
2011
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

411 Fortuyn Rd
Grand Coulee, WA 99133-8718
Phone: (509) 633-1911
Fax: (509) 633-3644
Show map & directions

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

Additional practice locations (1)

  • 218 W Main St, Coulee City, WA 99115 — (509) 632-5701

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PY60462191 (WA)

Record details

NPI number1780967380
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedSeptember 21, 2011
Last updated in NPPESJune 30, 2025
Certification dateJune 9, 2025

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Douglas, Grant, Lincoln And Okanogan Counties Public Hospital District — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount