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

Thomas Derleth, MD

Individual provider Hematology & Oncology Physician · NPI 1477550978

Thomas Derleth, MD is a Hematology & Oncology Physician in Bellingham, Washington. Licensed in Washington. Registered with an NPI since 2005.

Licensed in
WA
In the registry since
2005
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

4545 Cordata Pkwy
Bellingham, WA 98226-7123
Phone: (360) 738-2200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD00012694 (WA)

Record details

NPI number1477550978
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 30, 2005
Last updated in NPPESJuly 13, 2026

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