DR. MARGOT GAY MAHAN PSY.D.
NPI 1669568077
Psychologist - Clinical in Naperville, IL

Active since October 04, 2006PECOS EnrolledAccepts Medicare Assignment
1555 NAPERVILLE-WHEATON RD SUITE 113, NAPERVILLE, IL 60563(312) 719-1360 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Margot Gay Mahan Psy.d. NPPES

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

DR. MARGOT GAY MAHAN PSY.D. (NPI 1669568077) is an individual clinical provider in Naperville, Illinois, licensed in Illinois (071-0066277) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1669568077
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MARGOT GAY MAHANCredential: PSY.D.
Location Address1555 NAPERVILLE-WHEATON RD SUITE 113Naperville, IL 60563
Mailing Address1555 Naperville-wheaton Rd Suite 113Naperville, IL 60563 · (312) 719-1360
Sole ProprietorYes
Medical School CMSOtherGraduated 1999
Enumeration DateOctober 4, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1669568077 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 · 071-0066277
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.

1555 NAPERVILLE-WHEATON RD SUITE 113, Naperville, IL 60563

Other Identifiers 1

Other0002232048IL · Blue Cross Blueshield Ppo

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Margot Gay Mahan 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 ID9032302468
PECOS Enrollment IDI20101019000410
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
217 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60563 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
$181.38 typical visit price
range $59.81 – $181.38
Typical copayment $45.34 (range $14.95 – $45.34)
Most-billed visit code 99205
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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 Margot Mahan's NPI number?

The NPI number for Margot Mahan is 1669568077. It was assigned to this individual provider in the NPPES registry on October 4, 2006.

Where is Margot Mahan located?

Margot Mahan practices at 1555 Naperville-Wheaton Rd Suite 113, Naperville, IL 60563. The listed phone number is (312) 719-1360.

What is Margot Mahan's specialty?

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

Is Margot Mahan enrolled in Medicare?

Yes. Margot Mahan 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.

When was this NPI record last updated?

The NPPES record for Margot Mahan was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.