VIOLET THEODOS, PH.D. PLLC
NPI 1295357515
Psychologist - Clinical in Oak Brook, IL

Q: What is Violet Theodos, Ph.D. PLLC's NPI number?

The NPI number for Violet Theodos, Ph.D. PLLC is 1295357515. It was assigned to this organization in the NPPES registry on May 8, 2020.

Q: What is Violet Theodos, Ph.D. PLLC's specialty?

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

Active since May 08, 2020

1550 SPRING RD STE 220, OAK BROOK, IL 60523(630) 233-4740 Get Directions Write a Review

NPPES record last updated: May 11, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 11, 2022, May 8, 2020 (2 updates tracked since 2020).

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About Violet Theodos, Ph.d. Pllc NPPES

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

VIOLET THEODOS, PH.D. PLLC (NPI 1295357515) is a healthcare organization registered as a clinical in Oak Brook, Illinois and active in the NPI registry since May 2020. The organization maintains a secondary practice location in Oak Brook and lists Violet Theodos, Clinical Psychologist/owner, as its authorized official.

NPPES Registry Identity

NPI1295357515

Entity TypeOrganization

Primary Taxonomy103TC0700X

Legal Business NameVIOLET THEODOS, PH.D. PLLC

Location Address1550 SPRING RD STE 220Oak Brook, IL 60523-1362

Mailing Address1215 W Hunter CtAddison, IL 60101-1125 · (630) 233-4740

Phone(630) 233-4740

Organization SubpartNo

Authorized OfficialViolet TheodosClinical Psychologist/owner · (630) 233-4740

Enumeration DateMay 8, 2020

Last NPPES UpdateMay 11, 20222 updates tracked since enumeration

NPPES CertifiedMay 11, 2022

✔ NPI 1295357515 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

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.

1550 SPRING RD STE 220, Oak Brook, IL 60523

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Secondary Practice Location 1

Location 12625 Butterfield Rd Ste 103WOak Brook, IL 60523-3418 · Phone (630) 233-4740

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Violet Theodos, Ph.d. Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Violet Theodos, Ph.D. PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Violet Theodos, PH.D.

Clinical Psychologist

NPI 1184948184

1550 SPRING RD STE 220
Oak Brook, IL 60523

(630) 233-4740

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Violet Theodos, Ph.D. PLLC's NPI number?

The NPI number for Violet Theodos, Ph.D. PLLC is 1295357515. It was assigned to this organization in the NPPES registry on May 8, 2020.

Where is Violet Theodos, Ph.D. PLLC located?

Violet Theodos, Ph.D. PLLC is located at 1550 Spring Rd Ste 220, Oak Brook, IL 60523. The listed phone number is (630) 233-4740.

What is Violet Theodos, Ph.D. PLLC's specialty?

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

Is Violet Theodos, Ph.D. PLLC enrolled in Medicare?

Yes. Violet Theodos, Ph.D. PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Violet Theodos, Ph.D. PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Violet Theodos, Ph.D. PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Violet Theodos, Ph.D. PLLC was last updated on May 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.