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
Mailing address1200 5th Ave Ste 2010, Seattle, WA 98101-3100

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