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

Dr. Steven C Aller, MD, PHD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1881647055

Dr. Steven C Aller, MD, PHD is a Pediatric Hematology & Oncology Physician in Seattle, Washington. Practices as a sole proprietor. 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.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

4800 Sand Point Way NE
Seattle, WA 98105-3901
Phone: (206) 987-2000
Fax: (206) 985-3201
Show map & directions

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

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 60147526 (WA)

Record details

NPI number1881647055
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedMay 18, 2006
Last updated in NPPESJanuary 14, 2011
Mailing address4800 Sand Pont Way Ne, Seattle, WA 98105

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