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

Illinois Mentor

Organization Case Management Agency · NPI 1326376591

Illinois Mentor is a Case Management Agency in O Fallon, Illinois. Registered with an NPI since 2009.

In the registry since
2009
Specialties on file
3

Practice location Address checks out

791 Wall St
O Fallon, IL 62269-1959
Phone: (618) 628-9424
Fax: (618) 628-9426
Show map & directions

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

Specialties & licences

Foster Care Agency (primary) Taxonomy 253J00000X
Case Management Agency Taxonomy 251B00000X
Intellectual and/or Developmental Disabilities Residential Treatment Facility Taxonomy 320600000X

Record details

NPI number1326376591
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationIllinois Mentor
Authorized official Viviane Ngwa — Executive Director · (708) 679-9137
Other names O'Fallon Site 014010
NPI enumeratedNovember 30, 2009
Last updated in NPPESNovember 30, 2009
Mailing address791 Wall St, O Fallon, IL 62269-1959