DR. MARY ELIZABETH AVELLONE PH.D.
NPI 1699770693
Psychologist - Clinical in Homewood, IL

Q: What is Mary Avellone's NPI number?

The NPI number for Mary Avellone is 1699770693. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Q: What is Mary Avellone's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mary Avellone was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since June 16, 2005

2024 HICKORY RD STE 104, HOMEWOOD, IL 60430(312) 832-9858(312) 822-0712 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 16, 2026, Jul 9, 2021 (2 updates tracked since 2021).

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About Dr. Mary Elizabeth Avellone Ph.d. NPPES

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

DR. MARY ELIZABETH AVELLONE PH.D. (NPI 1699770693) is an individual clinical provider in Homewood, Illinois, licensed in Illinois (071005023) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1699770693

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. MARY ELIZABETH AVELLONECredential: PH.D.

Location Address2024 HICKORY RD STE 104Homewood, IL 60430-2158

Mailing Address211 E Ohio St Apt 520Chicago, IL 60611-3220 · (312) 832-9858 · Fax (708) 365-6224

Phone(312) 832-9858

Fax(312) 822-0712

Sole ProprietorYes

Enumeration DateJune 16, 2005

Last NPPES UpdateMarch 16, 20262 updates tracked since enumeration

NPPES CertifiedMarch 16, 2026

✔ NPI 1699770693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in IL · 071005023

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.

Also ListedClinical NeuropsychologistTaxonomy 103G00000X · License 071005023 (IL)

2024 HICKORY RD STE 104, Homewood, IL 60430

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Other Identifiers 1

Other1607451IL · Bcbs Il

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 Mary Avellone's NPI number?

The NPI number for Mary Avellone is 1699770693. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Where is Mary Avellone located?

Mary Avellone practices at 2024 Hickory Rd Ste 104, Homewood, IL 60430. The listed phone number is (312) 832-9858.

What is Mary Avellone'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 Mary Avellone was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.