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

Dr. Gary Michael Sampson, PHD

Individual provider Psychologist · NPI 1225149032

Dr. Gary Michael Sampson, PHD is a Clinical Psychologist in Longview, Washington. Qualified in 1981, 45 years ago. Practices with Northwest Psychological Resources LLC, an 11-clinician group and offers telehealth. Licensed in Washington.

Years since qualifying
45
Licensed in
WA
In the registry since
2006
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

945 11th Ave
Longview, WA 98632
Phone: (888) 313-8600
Fax: (360) 636-7372
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 1269 (WA)

Record details

NPI number1225149032
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESNovember 17, 2011
Mailing address945 11th Avenue, Longview, WA 98632

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Northwest Psychological Resources Llc — 11 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services

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