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

Ronald E St Juliana, OD

Individual provider Optometrist · NPI 1740418656

Ronald E St Juliana, OD is an Optometrist in Downers Grove, Illinois. Licensed in Illinois. Registered with an NPI since 2009.

Licensed in
IL
In the registry since
2009
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

1402 Butterfield Rd Butterfield Plz
Downers Grove, IL 60515-1031
Phone: (630) 520-0049
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046006575 (IL)

Record details

NPI number1740418656
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 30, 2009
Last updated in NPPESJune 30, 2009
Mailing address30 W 075 Willow Lane, Warrenville, IL 60555

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