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

John Thomas Frederick, MD

Individual provider Geriatric Psychiatry Physician · NPI 1790828911

John Thomas Frederick, MD is a Geriatric Psychiatry Physician in Seattle, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1200 5th Ave Ste 2010
Seattle, WA 98101-3100
Phone: (206) 778-5584
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD00036632 (WA)
Geriatric Psychiatry Physician Taxonomy 2084P0805X · Licence MD00036632 (WA)

Record details

NPI number1790828911
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 15, 2007
Last updated in NPPESFebruary 20, 2018

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