Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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John Nicholas James Colgan, BMED, MD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1205676889

John Nicholas James Colgan, BMED, MD is a Pediatric Hematology & Oncology Physician in Seattle, Washington. Works from 2 locations. Licensed in Washington.

Licensed in
WA
In the registry since
2024
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 Partly verified

Some contact details are missing from the federal record.

Seattle Children's Hospital 4800 Sand Point Way NE
Seattle, WA 98105
Phone: (206) 987-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 825 Eastlake Ave E, Seattle, WA 98109-4405 — (206) 520-5000

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence TR61556496 (WA)
Pediatric Hematology & Oncology Physician Taxonomy 2080P0207X · Licence TR61556496 (WA)

Record details

NPI number1205676889
Entity typeIndividual (Type 1)
GenderMale
Credentials BMED , MD
Sole proprietorNo
NPI enumeratedMay 30, 2024
Last updated in NPPESOctober 22, 2024
Certification dateOctober 22, 2024

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