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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. TERRY ANN DORNAK VILORIA PSY.D.
NPI 1902286974
Psychologist - Clinical in Evanston, IL

Active since June 04, 2015PECOS Enrolled
1603 ORRINGTON AVE, EVANSTON, IL 60201(872) 999-0542(847) 972-6445 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 27, 2026, Sep 13, 2021, Jul 26, 2021 and 1 more (4 updates tracked since 2016).

About Dr. Terry Ann Dornak Viloria Psy.d. NPPES

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

DR. TERRY ANN DORNAK VILORIA PSY.D. (NPI 1902286974) is an individual clinical provider in Evanston, Illinois, licensed in Illinois (071009088) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1902286974
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. TERRY ANN DORNAK VILORIACredential: PSY.D.
Location Address1603 ORRINGTON AVEEvanston, IL 60201-3841
Mailing Address8941 Marmora AveMorton Grove, IL 60053-2448 · (872) 999-0542 · Fax (847) 972-6445
Phone(872) 999-0542
Fax(847) 972-6445
Sole ProprietorYes
Enumeration DateJune 4, 2015
Last NPPES UpdateJune 29, 20264 updates tracked since enumeration
NPPES CertifiedJune 29, 2026
✔ NPI 1902286974 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 · 071009088
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.
1603 ORRINGTON AVE, Evanston, IL 60201
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Other Names 1

Professional Name (2)Terry Dornak Psyd

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Terry Ann Dornak Viloria Psy.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

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

CHICAGO PSYCH THERAPY GROUP, INC.
Psychologist (Clinical)
1603 ORRINGTON AVE
EVANSTON, IL 60201
Cook County (312) 781-2850
LEGACY PHYSIATRY GROUP ILLINOIS, LLC
Physical Medicine & Rehabilitation
1603 ORRINGTON AVE, STE 600
EVANSTON, IL 60201
Cook County (972) 372-1663
EDEN CONROY
Counselor (Mental Health)
1603 ORRINGTON AVE
EVANSTON, IL 60201
Cook County (312) 781-2850
PEAKLIFEMD, S.C.
Psychiatry & Neurology (Psychiatry)
1603 ORRINGTON AVE, SUITE 600
EVANSTON, IL 60201
Cook County (847) 946-0855
RUINING YE
Counselor (Mental Health)
1603 ORRINGTON AVE
EVANSTON, IL 60201
Cook County (312) 781-2850
JOAN LYNCH
Psychiatry & Neurology (Psychiatry)
1603 ORRINGTON AVE
EVANSTON, IL 60201
Cook County (847) 864-3738

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 Terry Ann Viloria's NPI number?

The NPI number for Terry Ann Viloria is 1902286974. It was assigned to this individual provider in the NPPES registry on June 4, 2015. The provider is also known as Terry Dornak Psyd.

Where is Terry Ann Viloria located?

Terry Ann Viloria practices at 1603 Orrington Ave, Evanston, IL 60201. The listed phone number is (872) 999-0542.

What is Terry Ann Viloria's specialty?

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

Is Terry Ann Viloria enrolled in Medicare?

Yes. Terry Ann Viloria is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Terry Ann Viloria was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 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.