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

J. William Cook, PHD

Individual provider Psychologist · NPI 1699862672

J. William Cook, PHD is a Psychologist in Missoula, Montana. Practices as a sole proprietor. Licensed in Montana.

Licensed in
MT
In the registry since
2006
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

T-214 Fort Missoula
Missoula, MT 59804-7209
Phone: (406) 396-8472
Fax: (406) 542-0143
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 84 (MT)
Psychologist Taxonomy 103T00000X · Licence 84 (MT)

Record details

NPI number1699862672
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 9, 2006
Last updated in NPPESSeptember 11, 2025
Mailing addressT-214 Fort Missoula, Missoula, MT 59804-7209

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