Olivia Clark
NPI 1023853108 · Speech-Language Pathologist · Vernon Hills, IL
Enrolled with Medicare as Practitioner - Qualified Speech Language Pathologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olivia Clark is a Speech-Language Pathologist provider in Vernon Hills, IL (NPI 1023853108).
Provider details
- NPI number
- 1023853108
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 0005771 (CO)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Speech, Language and Hearing Service Providers
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
1 yr 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
- 2024-06-28
- Last updated
- 2025-11-18
- Certified
- 2025-11-18
Frequently asked questions
- What is Olivia Clark's NPI number?
- Olivia Clark's National Provider Identifier (NPI) is 1023853108, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Clark's specialty?
- Olivia Clark is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Olivia Clark located?
- Olivia Clark's practice location on file with NPPES is 1111 N Milwaukee Ave Unit 323, Vernon Hills, IL 60061-1681.
- What is Olivia Clark's phone number?
- The practice phone number listed in the NPPES registry for Olivia Clark is (714) 309-2019.
- Does Olivia Clark accept Medicare?
- Olivia Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olivia Clark's NPI active?
- Yes — Olivia Clark's NPI (1023853108) is active in the NPPES registry as of the last update on 2025-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.