DR. ERIKA GILYOT-MONTGOMERY PSY.D.
NPI 1700091121
Psychologist - Clinical in Oak Park, IL

Q: What is Erika Gilyot-montgomery's NPI number?

The NPI number for Erika Gilyot-montgomery is 1700091121. It was assigned to this individual provider in the NPPES registry on May 10, 2007.

Q: What is Erika Gilyot-montgomery's specialty?

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

Active since May 10, 2007PECOS EnrolledAccepts Medicare Assignment

7001 NORTH AVE, STE 201, OAK PARK, IL 60302(773) 750-3819(708) 383-6948 Get Directions Write a Review

NPPES record last updated: December 6, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Erika Gilyot-montgomery Psy.d. NPPES

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

DR. ERIKA GILYOT-MONTGOMERY PSY.D. (NPI 1700091121) is an individual clinical provider in Oak Park, Illinois, licensed in Illinois (071005816) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1700091121

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. ERIKA GILYOT-MONTGOMERYCredential: PSY.D.

Location Address7001 NORTH AVE, STE 201Oak Park, IL 60302-1025

Mailing Address1108 Linden AveOak Park, IL 60302-1243 · (773) 750-3819 · Fax (708) 383-6948

Phone(773) 750-3819

Fax(708) 383-6948

Sole ProprietorNo

Medical School CMSOtherGraduated 1997

Enumeration DateMay 10, 2007

Last NPPES UpdateDecember 6, 2018

✔ NPI 1700091121 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 · 071005816

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.

7001 NORTH AVE, Oak Park, IL 60302

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Erika Gilyot-montgomery Psy.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7719116839

PECOS Enrollment IDI20140219000055

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.

Medicare Billing Reassignment

Medicare enrollment records show Erika Gilyot-montgomery reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gm Psychological Services, Inc.

0.5 mi

Clinical

1108 LINDEN AVE
Oak Park, IL 60302

Reassigned Medicare billing, Illinois enrollment

NPI 1437288735 (773) 750-3819

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60302 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 3

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

DR. LEAH B. SAMLER PSY.D.

Counselor (Professional)

7001 NORTH AVE, STE. 201
OAK PARK, IL 60302

Cook County (773) 482-1498

LAWRENCE JAMES JR. PH.D.

Psychologist (Clinical)

7001 NORTH AVE, STE 201
OAK PARK, IL 60302

Cook County (708) 848-2492

MS. MICHELE REVSINE LCSW

Social Worker (Clinical)

7001 NORTH AVE
OAK PARK, IL 60302

Cook County (860) 748-7383

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 Erika Gilyot-montgomery's NPI number?

The NPI number for Erika Gilyot-montgomery is 1700091121. It was assigned to this individual provider in the NPPES registry on May 10, 2007.

Where is Erika Gilyot-montgomery located?

Erika Gilyot-montgomery practices at 7001 North Ave Ste 201, Oak Park, IL 60302. The listed phone number is (773) 750-3819.

What is Erika Gilyot-montgomery's specialty?

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

Is Erika Gilyot-montgomery enrolled in Medicare?

Yes. Erika Gilyot-montgomery is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Erika Gilyot-montgomery's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erika Gilyot-montgomery reassigns Medicare benefits to Gm Psychological Services, Inc. (Oak Park, IL). The 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 Erika Gilyot-montgomery's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Erika Gilyot-montgomery was last updated on December 6, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.