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

Gregory James Allen, MD

Individual provider Diagnostic Radiology Physician · NPI 1790744308

Gregory James Allen, MD is a Diagnostic Radiology Physician in Seattle, Washington. Licensed in California and Washington. Registered with an NPI since 2006.

Licensed in
CA, WA
In the registry since
2006
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

1550 N 115th Northwest Hospital
Seattle, WA 98133
Phone: (206) 368-1744
Fax: (206) 368-1398
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence MD00024406 (WA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence G046247 (CA)

Record details

NPI number1790744308
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 22, 2006
Last updated in NPPESApril 1, 2015
Mailing address10700 Meridian Ave N, Ste 505, Seattle, WA 98133-9008

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