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Dr. Graham Thomas McMahon, MD, MMSC

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Specializes in: Adult Endocrinology

Royal College of Surgeons in Ireland (2005)

Professional interests include: medical education

303 E Chicago Avenue Ward Building Room 1-003
Chicago, IL 60611

(773) 388-1600

Dr. Graham Thomas McMahon, MD, MMSC is an endocrinologist in Chicago, IL specializing in adult endocrinology. He graduated from Royal College of Surgeons in Ireland in 2005 and has 21 years of experience. Dr. Graham Thomas McMahon, MD, MMSC is affiliated with Northwestern University Feinberg School of Medicine.

Office Locations

303 E Chicago Avenue Ward Building Room 1-003
Chicago, IL 60611

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4025 N Sheridan Road
Chicago, IL 60613

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In The News

“The treatments "must be able to show not just that there is a structural change in the size of muscles or lean mass, but that there's a performance improvement that comes with that," said Graham...”—"New weight loss drugs aim to promote muscle growth", New York Post, February 2025

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Graham Thomas McMahon, MD, MMSC treated as an endocrinologist in Chicago, IL during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Graham Thomas McMahon, MD, MMSC for Medicare patients.

doctor visit	51
hospital care	38
inpatient care	38

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Graham Thomas McMahon, MD, MMSC for Medicare patients.

doctor visit	65

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Graham Thomas McMahon, MD, MMSC.

**Gender**
Male	25
Female	21

**Ethnicity**
Non-Hispanic White	32
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	20
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Graham Thomas McMahon, MD, MMSC in 2013

Hypertension	63
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	28
Depression	33
Chronic Kidney Disease	39
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	30
Chronic Obstructive Pulmonary Disease	0
Diabetes	65
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Graham Thomas McMahon, MD, MMSC for Medicare patients.

doctor visit	71

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Graham Thomas McMahon, MD, MMSC.

**Gender**
Male	26
Female	20

**Ethnicity**
Non-Hispanic White	30
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	20
From 75 to 84	0
85 and over	0
Less than 65	15

Conditions of Medicare patients treated by Dr. Graham Thomas McMahon, MD, MMSC in 2014

Hypertension	74
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	37
Depression	39
Chronic Kidney Disease	39
Asthma	24
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	28
Chronic Obstructive Pulmonary Disease	0
Diabetes	65
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2014

Volume of procedures performed by Dr. Graham Thomas McMahon, MD, MMSC for Medicare patients.

The highest averages for the top procedures that Dr. Graham Thomas McMahon, MD, MMSC treated as an endocrinologist in Chicago, IL were hospital care and inpatient care.

doctor visit	62
hospital care	38
inpatient care	38

Average Medicare Patient Data From 2012 - 2014

Information about Medicare patients treated by Dr. Graham Thomas McMahon, MD, MMSC.

**Gender**
Male	17
Female	13

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	20
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	0
85 and over	0
Less than 65	5
65 to 74	13

Average of Total of Conditions of Medicare patients treated by Dr. Graham Thomas McMahon, MD, MMSC From 2012 - 2014

The highest averages of the most common conditions of Medicare patients that Dr. Graham Thomas McMahon, MD, MMSC treated were hypertension, diabetes, high cholesterol and chronic kidney disease.

Hypertension	45
High Cholesterol	34
Stroke	0
Ischemic Heart Disease	21
Depression	24
Chronic Kidney Disease	26
Asthma	8
Osteoporosis	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	0
Diabetes	43
Atrial Fibrillation	0
Cancer	0
Dementia	0

Education & Training

Dr. Graham Thomas McMahon, MD, MMSC graduated from Royal College of Surgeons in Ireland in 2005. He completed residency at Resident: Beaumont Hospital, Ireland, Medicine. He has a state license in Illinois.

Medical School: Royal College of Surgeons in Ireland (2005)

Residency: Resident: Beaumont Hospital, Ireland, Medicine (1999)

Licensed In: Illinois

Affiliations & Hospitals

Dr. Graham Thomas McMahon, MD, MMSC is associated with these hospitals and organizations:

Northwestern University Feinberg School of Medicine

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Graham Thomas McMahon, MD, MMSC. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Ipsen Biopharm Limited	$473 $473
Abbott Laboratories	$375 FreeStyle Libre Pro $375
Aegerion Pharmaceuticals, Inc.	$225 $225
GlaxoSmithKline, LLC.	$30 TANZEUM $30

**Types of Payments**
Consulting Fee	$1,103

Biography

Dr. Graham McMahon specializes in adult endocrinology. He is a graduate of Royal College of Surgeons in Ireland. Dr. McMahon's medical residency was performed at Brigham and Women's Hospital. Clinical interests for Dr. McMahon include medical education. He is affiliated with Northwestern University Feinberg School of Medicine.