Sydney Catherine Mesker
Professional Counselor · Oak Park, IL
Sydney Catherine Mesker is a professional counselor with a practice address in Oak Park, Illinois, and NPI 1871454090, issued on Nov 18, 2025. Check the license (Illinois 178.021993, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sydney Catherine Mesker
- Primary taxonomy
- Professional Counselor 101YP2500X
- License number
- 178.021993 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1010 Lake St Ste 500, Oak Park, IL 60301
- Phone
- (773) 665-8052
- Enumerated
- Nov 18, 2025
- Record last updated
- Nov 18, 2025
- Entity
- Type 1 · individual
8 nearest professional counselor records → All 9,508 in Illinois → Look up another NPI →
Also registered at 1010 Lake St Ste 500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven BinnsSocial Worker1417803776
- Britney Chavers, LSWSocial Worker1134831720
- Paula Ciccarone, PH.D.Clinical Psychologist1386355907
- Sara Johnson, M.S.W., L.C.S.W, PHDClinical Social Worker1750598728
- Candice Oberlies, PA-CPhysician Assistant1598026536
- Blaire PaulsenMental Health Counselor1023686987
Verify Sydney Catherine Mesker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 178.021993Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Sydney Catherine Mesker among 9,508 professional counselor records in Illinois
Sydney Catherine Mesker is one of 9,508 professional counselor records with a practice address in Illinois. 10% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 93% of them.
- NPI issued2025 · 93% of these records are older, 3% newer
- In a Medicare fileNo · 10% of these records are
- In the CMS Doctors and Clinicians fileNo · 15% of these records are
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YP2500X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
124 professional counselor records list a practice address in Oak Park
They are 124 of the 2,307 NPPES records with a practice address in Oak Park, and 9,508 professional counselor records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,508 in Illinois → Every provider in Oak Park → Professional Counselor nationwide →
The 8 professional counselor records with the nearest ZIP codes
- Jennifer Froemel, M.A., L.C.P.C.Oak Park, IL 603011790749620
- Kyla Gilmore, LCPCOak Park, IL 603011679846455
- Jeffrey Giraldo, LCPCOak Park, IL 603011548530710
- Joleen Hartland, MSOak Park, IL 603011902901895
- Lauren Henry, LCPCOak Park, IL 603011093013013
- Joseph Herbst, L.C.P.C.Oak Park, IL 603011336359165
- Jill Murphy, M.A., LCPCOak Park, IL 603011538474770
- Victoria Perisee-Johns, LCPCOak Park, IL 603011194076406
Common questions
What is Sydney Catherine Mesker's NPI number?
Sydney Catherine Mesker's National Provider Identifier (NPI) is 1871454090, issued on Nov 18, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Sydney Catherine Mesker located?
The NPPES record lists a practice address at 1010 Lake St Ste 500, Oak Park, IL, 60301. Phone: (773) 665-8052. Providers update this record themselves, so call before visiting.
How can I verify Sydney Catherine Mesker's license?
NPPES lists Illinois license number 178.021993, 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. 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.