DR. ASHLEY LEJA LESSLIE PH.D.
NPI 1639746605
Psychologist - Clinical in Northfield, IL

Q: What is Ashley Leja Lesslie's NPI number?

The NPI number for Ashley Leja Lesslie is 1639746605. It was assigned to this individual provider in the NPPES registry on June 8, 2021.

Q: What is Ashley Leja Lesslie's specialty?

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

Active since June 08, 2021

191 WAUKEGAN RD STE 315, NORTHFIELD, IL 60093(847) 272-2484 Get Directions Write a Review

NPPES record last updated: May 1, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 3, 2021, Jun 8, 2021 (2 updates tracked since 2021).

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About Dr. Ashley Leja Lesslie Ph.d. NPPES

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

DR. ASHLEY LEJA LESSLIE PH.D. (NPI 1639746605) is an individual clinical provider in Northfield, Illinois, licensed in Illinois (071.010051) and active in the NPI registry since June 2021.

NPPES Registry Identity

NPI1639746605

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. ASHLEY LEJA LESSLIECredential: PH.D.

Location Address191 WAUKEGAN RD STE 315Northfield, IL 60093-2743

Mailing Address191 Waukegan Rd Ste 315Northfield, IL 60093-2743 · (847) 272-2484

Phone(847) 272-2484

Sole ProprietorYes

Enumeration DateJune 8, 2021

Last NPPES UpdateMay 1, 20252 updates tracked since enumeration

NPPES CertifiedMay 1, 2025

✔ NPI 1639746605 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 · 071.010051

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.

191 WAUKEGAN RD STE 315, Northfield, IL 60093

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 Ashley Leja Lesslie's NPI number?

The NPI number for Ashley Leja Lesslie is 1639746605. It was assigned to this individual provider in the NPPES registry on June 8, 2021.

Where is Ashley Leja Lesslie located?

Ashley Leja Lesslie practices at 191 Waukegan Rd Ste 315, Northfield, IL 60093. The listed phone number is (847) 272-2484.

What is Ashley Leja Lesslie'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 Ashley Leja Lesslie was last updated on May 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.