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TAMMY HEVRDEJS
NPI 1790634780
Psychologist - Clinical in Barrington, IL

Active since January 23, 2026
777 LAKE ZURICH RD STE 110F, BARRINGTON, IL 60010(630) 209-0923 Get Directions Write a Review

NPPES record last updated: January 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Tammy Hevrdejs NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TAMMY HEVRDEJS (NPI 1790634780) is an individual clinical provider in Barrington, Illinois, licensed in Illinois (071005295) and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1790634780
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameTAMMY HEVRDEJS
Location Address777 LAKE ZURICH RD STE 110FBarrington, IL 60010-3122
Mailing AddressPo Box 1192Barrington, IL 60011-1192 · (630) 209-0923
Phone(630) 209-0923
Sole ProprietorYes
Enumeration DateJanuary 23, 2026
NPPES CertifiedJanuary 23, 2026
✔ NPI 1790634780 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in IL · 071005295
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
777 LAKE ZURICH RD STE 110F, Barrington, IL 60010
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TIMOTHY HULL PHD
Psychologist (Clinical)
777 LAKE ZURICH RD STE 110F
BARRINGTON, IL 60010
Cook County (847) 404-7438
NANCY A KUNKEL P C
Psychologist (Clinical)
777 LAKE ZURICH RD STE 110F
BARRINGTON, IL 60010
Cook County (630) 209-0923
HULL PSYCHOLOGICAL SERVICES LLC
Psychologist (Clinical)
777 LAKE ZURICH RD STE 110F
BARRINGTON, IL 60010
Cook County (847) 792-1774

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tammy Hevrdejs's NPI number?

The NPI number for Tammy Hevrdejs is 1790634780. It was assigned to this individual provider in the NPPES registry on January 23, 2026.

Where is Tammy Hevrdejs located?

Tammy Hevrdejs practices at 777 Lake Zurich Rd Ste 110F, Barrington, IL 60010. The listed phone number is (630) 209-0923.

What is Tammy Hevrdejs's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Tammy Hevrdejs was last updated on January 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.