Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Margaret McMahon, MD

Individual provider Pediatrics Physician · NPI 1851366900

Margaret McMahon, MD is an Internal Medicine in Maywood, Illinois. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1994, 32 years ago. Practices with Loyola University Medical Center, a 946-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
32
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
IL
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2160 S First Ave (300 N York Rd Elmhurst Illinois 60126)
Maywood, IL 60153
Phone: (708) 327-7030
Fax: (630) 833-8834
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 36095051 (IL)
Pediatrics Physician Taxonomy 208000000X · Licence 36095051 (IL)

Record details

NPI number1851366900
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 22, 2006
Last updated in NPPESFebruary 2, 2022
Certification dateFebruary 2, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Loyola University Medical Center — 946 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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