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

Ernest I. Watanabe, OD Ltd

Organization Clinic/Center · NPI 1285818120

Ernest I. Watanabe, OD Ltd is a Clinic/Center in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
What do these letters mean?
Ltd — Limited
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1108 W Granville Ave
Chicago, IL 60660-2013
Phone: (773) 465-6660
Fax: (773) 274-8222
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinic/Center (primary) Taxonomy 261Q00000X · Licence 046006692 (IL)

Record details

NPI number1285818120
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ernest Watanabe — President · (773) 465-6660
Other names Granville Vision Center
NPI enumeratedDecember 27, 2007
Last updated in NPPESSeptember 9, 2008
Mailing address1108 W Granville Ave, Chicago, IL 60660-2013

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