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

Jack Wolfe Singer, MD

Individual provider Hematology & Oncology Physician · NPI 1750448940

Jack Wolfe Singer, MD is a Hematology & Oncology Physician in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2007.

Licensed in
WA
In the registry since
2007
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 Partly verified

Some contact details are missing from the federal record.

Harborview Medical Center 325 9th Ave
Seattle, WA 98104
Phone: (206) 731-3000
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD00012718 (WA)

Record details

NPI number1750448940
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 3, 2007
Last updated in NPPESMarch 10, 2009

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