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

Individual provider Pediatrics Physician · NPI 1568555951

Dr. Cornelia Yillasan Tandez, MD is a Pediatrics 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

3000 N Halstead Ste 725
Chicago, IL 60657
Phone: (773) 327-2760
Fax: (773) 327-2764
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X (IL)

Record details

NPI number1568555951
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 30, 2006
Last updated in NPPESJuly 8, 2007

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