Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Olivia Marie Hallagan, MS, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1295352284

Olivia Marie Hallagan, MS, CCC-SLP is a Speech-Language Pathologist in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2020.

Licensed in
IL
In the registry since
2020
What do these letters mean?
MS — Master of Science
A graduate science degree.
CCC-SLP — Certificate of Clinical Competence in Speech-Language Pathology
A speech-language pathologist certified by ASHA.

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Practice location Address checks out

1422 W Willow St
Chicago, IL 60642-8978
Phone: (312) 399-0370
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 14264714 (IL)

Record details

NPI number1295352284
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CCC-SLP
Sole proprietorNo
NPI enumeratedJune 25, 2020
Last updated in NPPESJune 25, 2020
Certification dateJune 25, 2020

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