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

Dr. William Siegel, MD

Individual provider Hematology & Oncology Physician · NPI 1164512216

Dr. William Siegel, MD is a Hematology & Oncology Physician in Salt Lake City, Utah. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2006
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

4021 S 700 E Ste 300
Salt Lake City, UT 84107-2192
Phone: (800) 453-3030
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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 026921L (PA)

Record details

NPI number1164512216
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 12, 2006
Last updated in NPPESMarch 6, 2018

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