Olivia Marie Clark
Speech-Language Pathologist · Vernon Hills, IL
Olivia Marie Clark is a speech-language pathologist with a practice address in Vernon Hills, Illinois, and NPI 1023853108, issued on Jun 28, 2024. Check the license (Illinois 146.028763, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Olivia Marie Clark
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License numbers
- 146.028763 IL
35244 CA
0005771 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1111 N Milwaukee Ave Unit 323, Vernon Hills, IL 60061
- Phone
- (714) 309-2019
- Enumerated
- Jun 28, 2024
- Record last updated
- Nov 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20251204000399); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest speech-language pathologist records → All 10,224 in Illinois → Look up another NPI →
Verify Olivia Marie Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 146.028763Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Legacy Healthcare Services IncLake Zurich, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Olivia Marie Clark among 10,224 speech-language pathologist records in Illinois
Olivia Marie Clark is one of 10,224 speech-language pathologist records with a practice address in Illinois. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 88% of them.
- NPI issued2024 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 3% of these records are
- In the CMS Doctors and Clinicians fileYes · 4% of these records are
- Graduated2022 · median 2015 among the 406 with a school on file
- Record last updated2025 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 speech-language pathologist records list a practice address in Vernon Hills
They are 56 of the 704 NPPES records with a practice address in Vernon Hills, and 10,224 speech-language pathologist records in Illinois.
All 10,224 in Illinois → Every provider in Vernon Hills → Speech-Language Pathologist nationwide →
The 8 speech-language pathologist records with the nearest ZIP codes
- Susan BonnemVernon Hills, IL 600611366563579
- Courtney Bosco, M.S. CFY/SLPVernon Hills, IL 600611588803498
- Yogita Chaddha, M.S., CCC-SLPVernon Hills, IL 600611033234760
- Laura Fowler, MS CCC-SLPVernon Hills, IL 600611497902068
- Mandy Imai, SLP/CCCVernon Hills, IL 600611841508249
- Shani Levin, MAVernon Hills, IL 600611831403849
- Dorie Mendell, PHD, CCC-SLPVernon Hills, IL 600611710158761
- Leslie Minor-Wanna, M.A., CCC-SLPVernon Hills, IL 600611699823849
Common questions
What is Olivia Marie Clark's NPI number?
Olivia Marie Clark's National Provider Identifier (NPI) is 1023853108, issued on Jun 28, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Olivia Marie Clark located?
The NPPES record lists a practice address at 1111 N Milwaukee Ave Unit 323, Vernon Hills, IL, 60061. Phone: (714) 309-2019. Providers update this record themselves, so call before visiting.
How can I verify Olivia Marie Clark's license?
NPPES lists Illinois license number 146.028763, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.