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
Mailing addressPo Box 50095, Seattle, WA 98145-5095

Other providers in Seattle