DR. LIZA GUEQUIERRE PH.D.
NPI 1750599478
Psychologist - Clinical in Chicago, IL

Q: What is Liza Guequierre's NPI number?

The NPI number for Liza Guequierre is 1750599478. It was assigned to this individual provider in the NPPES registry on May 18, 2007. The provider is also known as Liza Van Voorhis.

Q: What is Liza Guequierre's specialty?

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

Q: Is Liza Guequierre enrolled in Medicare?

No. Liza Guequierre has opted out of Medicare through July 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Liza Guequierre was last updated on October 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 May 18, 2007Opted out of Medicare · through Jul 1, 2028

1415 W RASCHER AVE, CHICAGO, IL 60640(312) 380-9581 Get Directions Write a Review

NPPES record last updated: October 10, 2025. Verified against the NPPES registry weekly; last sync: September 13, 2026.

On this page

About Dr. Liza Guequierre Ph.d. NPPES

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

DR. LIZA GUEQUIERRE PH.D. (NPI 1750599478) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (071008200) and active in the NPI registry since May 2007. She has opted out of Medicare through July 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1750599478

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. LIZA GUEQUIERRECredential: PH.D.

Location Address1415 W RASCHER AVEChicago, IL 60640-0615

Mailing Address1415 W Rascher AveChicago, IL 60640-0615 · (312) 380-9581

Phone(312) 380-9581

Sole ProprietorYes

Enumeration DateMay 18, 2007

Last NPPES UpdateOctober 10, 2025

NPPES CertifiedOctober 10, 2025

✔ NPI 1750599478 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 · 071008200

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.

1415 W RASCHER AVE, Chicago, IL 60640

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Other Names 1

Former Name (1)Liza Van Voorhis

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Liza Guequierre Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2016 through July 1, 2028.

Opt-Out Effective DateJuly 1, 2016

Opt-Out In Effect ThroughJuly 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60640 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.

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 Liza Guequierre's NPI number?

The NPI number for Liza Guequierre is 1750599478. It was assigned to this individual provider in the NPPES registry on May 18, 2007. The provider is also known as Liza Van Voorhis.

Where is Liza Guequierre located?

Liza Guequierre practices at 1415 W Rascher Ave, Chicago, IL 60640. The listed phone number is (312) 380-9581.

What is Liza Guequierre's specialty?

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

Is Liza Guequierre enrolled in Medicare?

No. Liza Guequierre has opted out of Medicare through July 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Liza Guequierre was last updated on October 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.