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WILLOW TREE THERAPY CENTER PLLC
NPI 1104282821
Psychologist - Clinical in Naperville, IL

Active since January 11, 2016
1813 N MILL ST STE F, NAPERVILLE, IL 60563(630) 448-0701 Get Directions Write a Review

NPPES record last updated: June 28, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 13, 2021, Mar 30, 2016, Jan 11, 2016 (3 updates tracked since 2016).

About Willow Tree Therapy Center Pllc NPPES

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

WILLOW TREE THERAPY CENTER PLLC (NPI 1104282821) is a healthcare organization registered as a clinical in Naperville, Illinois and active in the NPI registry since January 2016. The organization lists Amy Helen Bilka, Clinical Psychologist, as its authorized official.

NPPES Registry Identity

NPI1104282821
Entity TypeOrganization
Primary Taxonomy103TC0700X
Legal Business NameWILLOW TREE THERAPY CENTER PLLC
Location Address1813 N MILL ST STE FNaperville, IL 60563-4872
Mailing Address1813 N Mill St Ste FNaperville, IL 60563-4872 · (630) 448-0701
Phone(630) 448-0701
Organization SubpartNo
Authorized OfficialAmy Helen BilkaClinical Psychologist · (630) 448-0701
Enumeration DateJanuary 11, 2016
Last NPPES UpdateJune 28, 20263 updates tracked since enumeration
NPPES CertifiedJune 28, 2026
✔ NPI 1104282821 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 · 071008661
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.
1813 N MILL ST STE F, Naperville, IL 60563
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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 13

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

CHENXI SUN
Student in an Organized Health Care Education/Training Program
1813 N MILL ST STE F
NAPERVILLE, IL 60563
Dupage County (630) 536-8073
WERONIKA KAROLINA KMIECIK
Student in an Organized Health Care Education/Training Program
1813 N MILL ST STE F
NAPERVILLE, IL 60563
Dupage County (630) 536-8073
SAMUEL ARDITO M.ED
Student in an Organized Health Care Education/Training Program
1813 N MILL ST STE F
NAPERVILLE, IL 60563
Dupage County (630) 536-8073
CAITLIN TOVAR
Student in an Organized Health Care Education/Training Program
1813 N MILL ST STE F
NAPERVILLE, IL 60563
Dupage County (630) 536-8073
SHARETHA J. COLE LSW
Social Worker (Clinical)
1813 N MILL ST STE F
NAPERVILLE, IL 60563
Dupage County (630) 788-3614
ELIZABETH GUERRERO
Student in an Organized Health Care Education/Training Program
1813 N MILL ST STE F
NAPERVILLE, IL 60563
Dupage County (630) 536-8073
ERIN M HAEFNER
Student in an Organized Health Care Education/Training Program
1813 N MILL ST STE F
NAPERVILLE, IL 60563
Dupage County (630) 536-8073
DR. AMY HELEN BILKA PSY.D.
Psychologist (Clinical)
1813 N MILL ST STE F
NAPERVILLE, IL 60563
Dupage County (630) 448-0701

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 Willow Tree Therapy Center PLLC's NPI number?

The NPI number for Willow Tree Therapy Center PLLC is 1104282821. It was assigned to this organization in the NPPES registry on January 11, 2016.

Where is Willow Tree Therapy Center PLLC located?

Willow Tree Therapy Center PLLC is located at 1813 N Mill St Ste F, Naperville, IL 60563. The listed phone number is (630) 448-0701.

What is Willow Tree Therapy Center PLLC'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 Willow Tree Therapy Center PLLC was last updated on June 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.