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

Steven K. SIU, OD

Individual provider Optometrist · NPI 1578196341

Steven K. SIU, OD is an Optometrist in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2020
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

2719 S Princeton Ave Fl 1
Chicago, IL 60616-4883
Phone: (312) 519-0203
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046011416 (IL)

Record details

NPI number1578196341
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedFebruary 19, 2020
Last updated in NPPESJune 2, 2020
Certification dateJune 2, 2020
Mailing address2719 S Princeton Ave Fl 1, Chicago, IL 60616-4883

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