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

Stewart G Willoughby DDS PC

Organization Dentist · NPI 1427122274

Stewart G Willoughby DDS PC is a Dentist 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?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

8301 S Brandon Ave
Chicago, IL 60617-2656
Phone: (773) 375-6199
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X (IL)

Record details

NPI number1427122274
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Stewart Willoughby — President · (773) 375-6199
NPI enumeratedNovember 20, 2006
Last updated in NPPESAugust 22, 2020
Mailing address8301 S Brandon Ave, Chicago, IL 60617-2656

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