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

Individual provider Optometrist · NPI 1235122730

Sandra S Block, OD is an Optometrist in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
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

3241 S Michigan Ave
Chicago, IL 60616-3849
Phone: (312) 225-6200
Fax: (312) 949-7660
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046007451 (IL)

Record details

NPI number1235122730
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedAugust 30, 2005
Last updated in NPPESDecember 17, 2008
Mailing address3241 S Michigan Ave, Chicago, IL 60616-3849

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