Ksenija Mastilovic
Speech-Language Pathologist · Chicago, IL
Ksenija Mastilovic is a speech-language pathologist with a practice address in Chicago, Illinois, and NPI 1134392707, issued on Apr 3, 2008. Check the license (Illinois 146008436, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ksenija Mastilovic
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License number
- 146008436 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5645 N Courtland Ave, Chicago, IL 60631
- Phone
- (847) 987-0343
- Enumerated
- Apr 3, 2008
- Record last updated
- Oct 14, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200313001145); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest speech-language pathologist records → All 10,224 in Illinois → Look up another NPI →
Verify Ksenija Mastilovic in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 146008436Check 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
- Comprehensive Therapeutics LtdLansing, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ksenija Mastilovic among 10,224 speech-language pathologist records in Illinois
Ksenija Mastilovic 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 2008, is newer than 16% of them.
- NPI issued2008 · 16% of these records are older, 80% newer
- In a Medicare fileYes · 3% of these records are
- In the CMS Doctors and Clinicians fileYes · 4% of these records are
- Graduated2004 · median 2015 among the 406 with a school on file
- Record last updated2009 · 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).
1,753 speech-language pathologist records list a practice address in Chicago
They are 1,753 of the 63,379 NPPES records with a practice address in Chicago, and 10,224 speech-language pathologist records in Illinois.
All 10,224 in Illinois → Every provider in Chicago → Speech-Language Pathologist nationwide →
The 8 speech-language pathologist records with the nearest ZIP codes
- Melanie AwbreyChicago, IL 606311205900321
- Amalia Conway, M.A., CCC-SLP/LChicago, IL 606311457529265
- Jennifer Dever, M.A., CF-SLPChicago, IL 606311437453933
- Michelle Dineen, MA, CCC, SLPChicago, IL 606311063687143
- Kathleen Durkin, M.S. CCC-SLPChicago, IL 606311346376480
- Rebecca FolanChicago, IL 606311396027579
- Lauren Isherwood, M.S.Chicago, IL 606311134325855
- Kimberly Kaup, MSCCC SLPChicago, IL 606311922130624
Common questions
What is Ksenija Mastilovic's NPI number?
Ksenija Mastilovic's National Provider Identifier (NPI) is 1134392707, issued on Apr 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ksenija Mastilovic located?
The NPPES record lists a practice address at 5645 N Courtland Ave, Chicago, IL, 60631. Phone: (847) 987-0343. Providers update this record themselves, so call before visiting.
How can I verify Ksenija Mastilovic's license?
NPPES lists Illinois license number 146008436, 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.