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

John Hemmen, MD

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1659329605

John Hemmen, MD is an Emergency Medical Services (Emergency Medicine) 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

5300 Tallman Ave NW
Seattle, WA 98107-3932
Phone: (206) 782-2700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medical Services (Emergency Medicine) Physician (primary) Taxonomy 207PE0004X · Licence MD00015059 (WA)

Record details

NPI number1659329605
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 4, 2006
Last updated in NPPESJuly 13, 2026
Mailing address3609 Point White Dr Ne, Bainbridge Island, WA 98110-4055

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