Olivia Hallagan, MS, CCC-SLP
NPI 1295352284 · Speech-Language Pathologist · Chicago, IL
Olivia Hallagan, MS, CCC-SLP is a Speech-Language Pathologist provider in Chicago, IL (NPI 1295352284).
Provider details
- NPI number
- 1295352284
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MS, CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 14264714 (IL)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-06-25
- Last updated
- 2020-06-25
- Certified
- 2020-06-25
Frequently asked questions
- What is Olivia Hallagan's NPI number?
- Olivia Hallagan's National Provider Identifier (NPI) is 1295352284, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Hallagan's specialty?
- Olivia Hallagan is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Olivia Hallagan located?
- Olivia Hallagan's practice location on file with NPPES is 1422 W Willow St, Chicago, IL 60642-8978.
- What is Olivia Hallagan's phone number?
- The practice phone number listed in the NPPES registry for Olivia Hallagan is (312) 399-0370.
- Is Olivia Hallagan's NPI active?
- Yes — Olivia Hallagan's NPI (1295352284) is active in the NPPES registry as of the last update on 2020-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.