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

Dr. Gregory Charles Allen, MD

Individual provider Anesthesiology Physician · NPI 1669433538

Dr. Gregory Charles Allen, MD is an Anesthesiology Physician in Olympia, Washington. Works from 2 locations. Licensed in Washington.

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

3435 Martin Way E Ste G
Olympia, WA 98506-5071
Phone: (360) 438-6400
Fax: (360) 438-6435
Show map & directions

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

Additional practice locations (1)

  • 3624 Ensign Rd Ne, Olympia, WA 98506-5074 — (360) 493-6400

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence MD00037436 (WA)

Record details

NPI number1669433538
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2006
Last updated in NPPESAugust 30, 2019

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