Tammy Hevrdejs
Clinical Psychologist · Barrington, IL
Tammy Hevrdejs is a clinical psychologist with a practice address in Barrington, Illinois, and NPI 1790634780, issued on Jan 23, 2026. Check the license (Illinois 071005295, 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
- Tammy Hevrdejs
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 071005295 IL
Self-reported in NPPES; status is on the state search - Practice location
- 777 Lake Zurich RD Ste 110F, Barrington, IL 60010
- Phone
- (630) 209-0923
- Enumerated
- Jan 23, 2026
- Record last updated
- Jan 23, 2026
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 3,947 in Illinois → Look up another NPI →
Also registered at 777 Lake Zurich RD Ste 110F
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Hull, PHDClinical Psychologist1235292640
Verify Tammy Hevrdejs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 071005295Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Tammy Hevrdejs among 3,947 clinical psychologist records in Illinois
Tammy Hevrdejs is one of 3,947 clinical psychologist records with a practice address in Illinois. 16% 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 2026, is newer than 99% of them.
- NPI issued2026 · 99% of these records are older, 0% newer
- In a Medicare fileNo · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · 27% of these records are
- Record last updated2026 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 clinical psychologist records list a practice address in Barrington
They are 24 of the 756 NPPES records with a practice address in Barrington, and 3,947 clinical psychologist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,947 in Illinois → Every provider in Barrington → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Cheryl Borst, PSYDBarrington, IL 600101306910633
- Grant Boyer, PSYDBarrington, IL 600101861560088
- Joel Carnazzo, PSY.D.Barrington, IL 600101013020452
- Pamela Cotton, PH.D.Barrington, IL 600101558576025
- Edward Debellis, PSY.D.Barrington, IL 600101164534897
- Daniel Dewitt, PHDBarrington, IL 600101689737009
- Patricia Dewitt, PHDBarrington, IL 600101497818892
- Ronald Ercoli, PSY.D.Barrington, IL 600101700935210
Common questions
What is Tammy Hevrdejs's NPI number?
Tammy Hevrdejs's National Provider Identifier (NPI) is 1790634780, issued on Jan 23, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Tammy Hevrdejs located?
The NPPES record lists a practice address at 777 Lake Zurich RD Ste 110F, Barrington, IL, 60010. Phone: (630) 209-0923. Providers update this record themselves, so call before visiting.
How can I verify Tammy Hevrdejs's license?
NPPES lists Illinois license number 071005295, 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.