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

Individual provider Critical Care Medicine (Anesthesiology) Physician · NPI 1174840508

Trefan Archibald, MD is an Anesthesiology in Seattle, Washington. Graduated from University of Colorado School of Medicine, Denver in 2010, 16 years ago. Practices with Pacific Anesthesia PC, a 93-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
16
Trained at
University of Colorado School of Medicine, Denver
Licensed in
WA
In the registry since
2010
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

325 9th Ave
Seattle, WA 98104-2420
Phone: (206) 744-3059
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Anesthesiology) Physician (primary) Taxonomy 207LC0200X · Licence MD60344868 (WA)

Record details

NPI number1174840508
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 25, 2010
Last updated in NPPESAugust 4, 2020
Certification dateAugust 4, 2020
Mailing addressUniversity Of Washington, 1959 Ne Pacific Street, Box 356421, Seattle, WA 98195-6421

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Graduated 2010 (16 years in practice)
Group practice Pacific Anesthesia Pc — 93 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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