Loyola University Medical Center

Gottlieb Memorial Hospital

MacNeal Hospital

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Margaret M McMahon

Margaret M McMahon, MD

Pediatrics, Internal Medicine

Provider Ratings

4.9 out of 5 (121 ratings)

Provider Groups

  • Loyola Medicine Physician

  • Loyola Physician Partners

Primary Contact

888-584-7888
Online Scheduling
Accepting New Patients
Online Scheduling
Provider Groups

  • Loyola Medicine Physician

  • Loyola Physician Partners

Primary Contact
888-584-7888
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Services & Specialties

Areas of Specialization

  • Pediatrics
  • Internal Medicine

Clinical Interests

Conditions Treated

  • diabetes mellitus
  • hypertension
  • mens health
  • virtual care
  • well child exam
  • wellness
  • women's health

Locations & Contact

Primary Location

Loyola Medicine Elmhurst

300 N York Rd
Elmhurst, IL 60126

Loyola Medicine Elmhurst
888-584-7888 View Details

Loyola University Medical Center

2160 S First Ave
Maywood, IL 60153

View hours
Monday
Open 24 hours
Tuesday
Open 24 hours
Wednesday
Open 24 hours
Thursday
Open 24 hours
Friday
Open 24 hours
Saturday
Open 24 hours
Sunday
Open 24 hours
Loyola University Medical Center
888-584-7888 View Details

Loyola Center For Health At Oak Park

7005 W North Ave
Oak Park, IL 60302

708-327-1410 View Details

About

Academic Title

Assistant Professor

Ages Seen

Adults - Over 65
Adults - 18 to 64
Adolescents - 12 to 17
Children - 0 to 11

Education & Certifications

Education

Education:
Loyola University Chicago (1989)

Education:
Loyola University Stritch School of Medicine (1994)

Residency:
Loyola University Medical Center (Internal Medicine & Pediatrics) (1998)

Board Certifications

Pediatrics, American Board of Pediatrics (1999)

Internal Medicine, American Board of Internal Medicine (1998)

Provider Groups

Loyola Medicine Physician

Loyola Physician Partners

Provider Ratings

The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. Learn More >

4.9 out of 5

(121 ratings)

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

52 Reviews

03/26/2026

Wonderful doctor. She listens to concerns and discusses options

03/26/2026

Would recommend her.

03/23/2026

Dr McMahon takes the time to listen and will provide positive feedback and advice

03/18/2026

See previous comment. She’s the best.

03/17/2026

She is the best

03/16/2026

Dr. McMahon is professional, efficient and asks you questions and gets you the type of treatment necessary as well as put you at ease as a patient.

02/23/2026

Approachable, caring, thorough

02/23/2026

Dr. McMahon was very helpful

02/23/2026

Very very thorough

02/09/2026

I am so grateful Dr. McMahon is my primary care physician. Everyone from assistants, admin staff, PA'S, phlebotomists, x-RAY techs are professional, kind and excel at what they do

02/09/2026

Doctor McMahon is very kind, willing to listen, and compliant with my preferences. Very important to have a reliable and knowledgeable physician.

02/02/2026

Friendly and knowledgeable

02/02/2026

We’ve been seeing Dr. McMahon for years and I always recommend her. It’s hard to get an appt if not in months in advance.

01/29/2026

Dr McMahon is very thorough.

01/27/2026

I answered this question but again will reiterate that she is a skilled listener and diagnostician. She is also very friendly and answers my questions clearly and completely. I appreciate that she sometimes quotes the latest research related to a given issue. She is what a primary physician should be.

01/27/2026

She always listens and explains

01/20/2026

Dr McMahon, is a very good listener, she cares about your feelings, and respects my opinions, l feel that she really cares about my health, l always feel better when l leave, thank you Dr McMahon

01/15/2026

Great doctor, really listens to concerns and takes time to provide information

01/14/2026

I love Dr. McMahon. I hope she never retires. She saved my life.

01/13/2026

Caring physician

01/07/2026

Hope she is my physician for the rest of my life.

01/07/2026

She’s great

12/15/2025

I've trusted Dr. McMahon with my care for several years. She provides outstanding care and listens to my concerns.

12/11/2025

I have been seeing Dr McMahon for 8 yrs now.

12/09/2025

She’s thorough, knowledgeable and listens well. Totally approachable.

12/04/2025

real good

11/25/2025

Dr. McMahon would be hard to replace.

11/24/2025

Dr. McMahon is excellent. She explained the procedure in a way that I understood. Very pleasant and compassionate.

11/18/2025

When I take my questions and concerns to Dr. McMahon she always takes the time to thoroughly explain and answer my questions.

11/06/2025

Dr McMahon is the best.

11/06/2025

The Dr went beyond what I was originally came in for and helped me correct other issues. I felt like I recieved very compleat care and was very appreciative of the level of care.

11/03/2025

She is a very good, down to earth doctor. Spent a lot of time with me. Only complaint hard to get in with her

10/28/2025

Would change her to my primary if I could

10/22/2025

I would recommend Dr. McMahon because of her patience, understanding and compassion.

10/22/2025

She is very affable and easy to talk to.

10/22/2025

She is excellent!

10/21/2025

Again my experience with my provider is fine. It's the way Trinity Health demands service delivery that is poor.

10/20/2025

Complete competence in Dr McMahon .

10/16/2025

Dr. McMahon is very professional and respectful.

10/15/2025

She listens, she explains, she has a warm and friendly demeanor

10/09/2025

Dr. McMahon knows me very well. She is very through and does not forget anything to address.

10/07/2025

Excellent!!

10/02/2025

Professional and cares about my wellbeing For many years

09/30/2025

The best

09/29/2025

As I said before, Dr. McMahon listens and hears you and is very caring and makes you feel comfortable. She has been my doctor since Dr. Fisher retired, who I also loved, so she had big shoes to fill, and she does.

09/29/2025

Do feel doctors visits have become more rushed in the last few years

09/25/2025

She is excellent with my 95+ year old Mom. So very patient and understanding.

09/09/2025

Dr. McMahon is great!

09/02/2025

Dr McMahon is very caring,she listens it's easy to trust her, it's almost like she feels your pain, love her, pray she never leaves

08/27/2025

Dr McMahon consistently listens well, offers suggestions for better health and means to meet goals she is very personable and shows interest in her patients

08/11/2025

Dr. McMahon combines professional competence, dedication to her patients’ well-being, and a kind and friendly person.

08/04/2025

Dr McMahon is a very knowledgeable and thorough doctor. She takes her time with my concerns. She is also apologetic when she is running behind. Her staff is also very considerate in that regard as well.
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