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

Dr. William J Grossman, MD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1679524425

Dr. William J Grossman, MD is a Pediatric Hematology & Oncology Physician in Milwaukee, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

Children's Hospital Of Wisconsin 9000 West Wisconsin Ave
Milwaukee, WI 53226 Not confirmed with CMS for 19 years — call before visiting
Phone: (414) 805-3666
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 47346 (WI)

Record details

NPI number1679524425
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 15, 2006
Last updated in NPPESJuly 8, 2007

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