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MEGAN MCMAHON, LTD
NPI 1316217094
Psychologist - Clinical in Northbrook, IL

Active since January 11, 2012
215 REVERE DR, SUITE 1A, NORTHBROOK, IL 60062(847) 323-8615 Get Directions Write a Review

NPPES record last updated: January 11, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Megan Mcmahon, Ltd NPPES

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

MEGAN MCMAHON, LTD (NPI 1316217094) is a healthcare organization registered as a clinical in Northbrook, Illinois and active in the NPI registry since January 2012. The organization lists Megan Elizabeth Mcmahon-pietig, President, as its authorized official.

NPPES Registry Identity

NPI1316217094
Entity TypeOrganization
Primary Taxonomy103TC0700X
Legal Business NameMEGAN MCMAHON, LTD
Location Address215 REVERE DR, SUITE 1ANorthbrook, IL 60062-1556
Mailing Address2044 Deerfield RdHighland Park, IL 60035-3711 · (847) 323-8615
Phone(847) 323-8615
Organization SubpartNo
Authorized OfficialMegan Elizabeth Mcmahon-pietigPresident · (847) 323-8615
Enumeration DateJanuary 11, 2012
✔ NPI 1316217094 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 · 071006543
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.
215 REVERE DR, Northbrook, IL 60062
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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)

Megan Mcmahon, Ltd 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 Megan Mcmahon, Ltd, which bills Medicare for the services this clinician delivers.

Clinician (1)

Megan Mcmahon Pietig, PH.D.
Clinical Psychologist
NPI 1114093242
1866 SHERIDAN RD 216
Highland Park, IL 60035
(847) 323-8615
✔ PECOS✔ Accepts Medicare2.6 mi

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 Megan Mcmahon, Ltd's NPI number?

The NPI number for Megan Mcmahon, Ltd is 1316217094. It was assigned to this organization in the NPPES registry on January 11, 2012.

Where is Megan Mcmahon, Ltd located?

Megan Mcmahon, Ltd is located at 215 Revere Dr Suite 1A, Northbrook, IL 60062. The listed phone number is (847) 323-8615.

What is Megan Mcmahon, Ltd's specialty?

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

Is Megan Mcmahon, Ltd enrolled in Medicare?

Yes. Megan Mcmahon, Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Megan Mcmahon, Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Megan Mcmahon, Ltd. 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 Megan Mcmahon, Ltd was last updated on January 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.