1. Home
  2. Directory
  3. Illinois
  4. Lisle
  5. Psychologist
  6. NPI Profile

DR. MARGARET JOY BYRNES PHD
NPI 1750393096
Psychologist - Clinical in Lisle, IL

Active since August 13, 2006Opted out of Medicare · through Oct 1, 2026
5950 LINCOLN AVE UNIT W., LISLE, IL 60532(630) 541-8930(630) 541-8940 Get Directions Write a Review

NPPES record last updated: June 20, 2018. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Margaret Joy Byrnes Phd NPPES

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

DR. MARGARET JOY BYRNES PHD (NPI 1750393096) is an individual clinical provider in Lisle, Illinois, licensed in Illinois (071-006427) and active in the NPI registry since August 2006. She has opted out of Medicare through October 1, 2026.

NPPES Registry Identity

NPI1750393096
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MARGARET JOY BYRNESCredential: PHD
Location Address5950 LINCOLN AVE UNIT W.Lisle, IL 60532-2613
Mailing Address5950 Lincoln Ave Unit W.Lisle, IL 60532-2613 · (630) 541-8930 · Fax (630) 541-8940
Phone(630) 541-8930
Fax(630) 541-8940
Sole ProprietorNo
Enumeration DateAugust 13, 2006
Last NPPES UpdateJune 20, 2018
✔ NPI 1750393096 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 · 071-006427
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.
5950 LINCOLN AVE UNIT W., Lisle, IL 60532
Open in Google Maps ↗

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. Margaret Joy Byrnes Phd 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 October 1, 2010 through October 1, 2026.

Opt-Out Effective DateOctober 1, 2010
Opt-Out In Effect ThroughOctober 1, 2026Opt-out affidavits renew automatically every two years unless cancelled

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 Margaret Byrnes's NPI number?

The NPI number for Margaret Byrnes is 1750393096. It was assigned to this individual provider in the NPPES registry on August 13, 2006.

Where is Margaret Byrnes located?

Margaret Byrnes practices at 5950 Lincoln Ave Unit W., Lisle, IL 60532. The listed phone number is (630) 541-8930.

What is Margaret Byrnes's specialty?

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

Is Margaret Byrnes enrolled in Medicare?

No. Margaret Byrnes has opted out of Medicare through October 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Margaret Byrnes was last updated on June 20, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.