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

John D Allderdice, MD

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1023063369

John D Allderdice, MD is an Emergency Medical Services (Emergency Medicine) Physician in Monroe, 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.

See every abbreviation used in this directory →

Practice location Address checks out

14701 179th Ave SE
Monroe, WA 98272-1108
Phone: (360) 794-7497
Show map & directions

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 MD00014756 (WA)

Record details

NPI number1023063369
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2006
Last updated in NPPESJuly 13, 2026
Mailing address533 First Street, Langley, WA 98260