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

John C.h. Byon, MD

Individual provider Hematology & Oncology Physician · NPI 1295848018

John C.h. Byon, MD is a Hematology & Oncology Physician in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
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

1705 NE Pacific St Box 357710
Seattle, WA 98195-0001
Phone: (206) 543-2368
Fax: (206) 543-3560
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD00045091 (WA)

Record details

NPI number1295848018
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 16, 2006
Last updated in NPPESJune 2, 2009
Mailing address1705 Ne Pacific St, Box 357710, Seattle, WA 98195-0001

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