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

Sigmund Weitzman, MD

Individual provider Medical Oncology Physician · NPI 1144249764

Sigmund Weitzman, MD is a Medical Oncology Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
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 Address checks out

676 N Saint Clair St Ste 850
Chicago, IL 60611-2927
Phone: (312) 695-0990
Fax: (312) 908-5717
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 036072766 (IL)

Record details

NPI number1144249764
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2006
Last updated in NPPESJuly 17, 2009

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