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

Dr. Ralph John Gebert, OD

Individual provider Optometrist · NPI 1720151152

Dr. Ralph John Gebert, OD is an Optometrist 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?
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

3500 W Peterson Ave Ste 401
Chicago, IL 60659
Phone: (773) 588-3090
Fax: (773) 588-3210
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046007094 (IL)

Record details

NPI number1720151152
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedNovember 15, 2006
Last updated in NPPESJuly 9, 2014
Mailing address3500 W Peterson Ave, Ste 401, Chicago, IL 60659

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