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Dr. Mary E. Keen, MD

Accepting New Patients

(Mary E. Keen, MD)

(19 Ratings)

Specializes in: General Practice and Pediatric Rehabilitation Medicine

Northwestern University Feinberg School of Medicine (1979)

Professional interests include: cerebral palsy, Down syndrome, injections, and more.

130 N. Weber Road Suite 108
Bolingbrook, IL 60440

(630) 646-5775

Dr. Mary E. Keen, MD is a general practitioner in Wheaton, IL specializing in general practice and pediatric rehabilitation medicine. She graduated from Northwestern University Feinberg School of Medicine in 1979 and has 47 years of experience. Dr. Mary E. Keen, MD is affiliated with Endeavor Health, Northwestern Medicine, Northwestern Medicine Regional Medical Group and CENTRAL DUPAGE PHYSICIAN GROUP.

Office Locations

26w171 Roosevelt Road
Wheaton, IL 60187

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Endeavor Health

130 N. Weber Road Suite 108
Bolingbrook, IL 60440

(630) 646-5775

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In The News

“Anthony Pens, 27, and Alyssa Pens, 15, two of Danny and Sherry Pens' children, both have heredity spastic paraplegia type 35, a disease so rare that only 51 people in 19 families are documented in...”—"Babes Tap in Coal City to hold monthlong fundraiser for Pens family", Shaw Media, June 2025

Noteworthy Medicare Patient Procedures Performed by Dr. Mary E. Keen, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

inpatient hospital care

In 2023, Dr. Mary E. Keen, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 95% of providers in related specialties within Illinois.

Top 25%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, Dr. Mary E. Keen, MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Illinois. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mary E. Keen, MD treated as a general practitioner in Wheaton, IL during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary E. Keen, MD for Medicare patients.

hospital care	203
inpatient care	203

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mary E. Keen, MD treated as a general practitioner in Wheaton, IL during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary E. Keen, MD for Medicare patients.

doctor visit	45
hospital care	217
inpatient care	217

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary E. Keen, MD.

**Gender**
Male	82
Female	106

**Ethnicity**
Non-Hispanic White	137
Black	36
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	53
85 and over	37
Less than 65	48

Conditions of Medicare patients treated by Dr. Mary E. Keen, MD in 2013

Hypertension	75
High Cholesterol	66
Stroke	32
Ischemic Heart Disease	51
Depression	40
Chronic Kidney Disease	45
Asthma	14
Osteoperosis	20
Atrial Fibrilation	24
Heart Failure	40
Chronic Obstructive Pulmonary Disease	25
Diabetes	41
Dementia	32
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mary E. Keen, MD treated as a general practitioner in Wheaton, IL during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary E. Keen, MD for Medicare patients.

doctor visit	44
hospital care	166
inpatient care	166

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary E. Keen, MD.

**Gender**
Male	49
Female	88

**Ethnicity**
Non-Hispanic White	76
Black	48
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	44
From 75 to 84	36
85 and over	18
Less than 65	39

Conditions of Medicare patients treated by Dr. Mary E. Keen, MD in 2014

Hypertension	75
High Cholesterol	67
Stroke	23
Ischemic Heart Disease	50
Depression	47
Chronic Kidney Disease	41
Asthma	14
Osteoperosis	18
Atrial Fibrilation	17
Heart Failure	40
Chronic Obstructive Pulmonary Disease	20
Diabetes	47
Dementia	20
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mary E. Keen, MD treated as a general practitioner in Wheaton, IL during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary E. Keen, MD for Medicare patients.

doctor visit	18
hospital care	316
inpatient care	316

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary E. Keen, MD.

**Gender**
Male	196
Female	172

**Ethnicity**
Non-Hispanic White	268
Black	56
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	116
From 75 to 84	92
85 and over	76
Less than 65	84

Conditions of Medicare patients treated by Dr. Mary E. Keen, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	40
Ischemic Heart Disease	51
Depression	48
Chronic Kidney Disease	51
Asthma	17
Osteoperosis	17
Atrial Fibrilation	30
Heart Failure	41
Chronic Obstructive Pulmonary Disease	21
Diabetes	37
Dementia	17
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mary E. Keen, MD treated as a general practitioner in Wheaton, IL during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary E. Keen, MD for Medicare patients.

hospital care	293
inpatient care	293

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary E. Keen, MD.

**Gender**
Male	80
Female	72

**Ethnicity**
Non-Hispanic White	115
Black	24
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	48
From 75 to 84	40
85 and over	26
Less than 65	38

Conditions of Medicare patients treated by Dr. Mary E. Keen, MD in 2016

Hypertension	75
High Cholesterol	70
Stroke	32
Ischemic Heart Disease	53
Depression	53
Chronic Kidney Disease	59
Asthma	35
Osteoperosis	11
Atrial Fibrilation	34
Heart Failure	38
Chronic Obstructive Pulmonary Disease	28
Diabetes	49
Dementia	33
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mary E. Keen, MD treated as a general practitioner in Wheaton, IL during 2017 were hospital care, inpatient care and nursing home care.

Volume of procedures performed by Dr. Mary E. Keen, MD for Medicare patients.

hospital care	175
inpatient care	175
nursing home care	40

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary E. Keen, MD.

**Gender**
Male	78
Female	83

**Ethnicity**
Non-Hispanic White	95
Black	50
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	55
85 and over	22
Less than 65	34

Conditions of Medicare patients treated by Dr. Mary E. Keen, MD in 2017

Hypertension	75
High Cholesterol	68
Stroke	28
Ischemic Heart Disease	52
Depression	57
Chronic Kidney Disease	61
Asthma	14
Osteoperosis	15
Atrial Fibrilation	28
Heart Failure	45
Chronic Obstructive Pulmonary Disease	31
Diabetes	48
Dementia	31
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mary E. Keen, MD treated as a general practitioner in Wheaton, IL during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary E. Keen, MD for Medicare patients.

doctor visit	19
hospital care	280
inpatient care	280

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary E. Keen, MD.

**Gender**
Male	69
Female	75

**Ethnicity**
Non-Hispanic White	90
Black	36
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	39
From 75 to 84	41
85 and over	17
Less than 65	47

Conditions of Medicare patients treated by Dr. Mary E. Keen, MD in 2018

Hypertension	75
High Cholesterol	67
Stroke	26
Ischemic Heart Disease	47
Depression	63
Chronic Kidney Disease	61
Asthma	10
Osteoperosis	15
Atrial Fibrilation	33
Heart Failure	47
Chronic Obstructive Pulmonary Disease	25
Diabetes	52
Dementia	28
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mary E. Keen, MD treated as a general practitioner in Wheaton, IL during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary E. Keen, MD for Medicare patients.

hospital care	143
inpatient care	143

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary E. Keen, MD.

**Gender**
Male	58
Female	54

**Ethnicity**
Non-Hispanic White	74
Black	21
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	34
From 75 to 84	0
85 and over	0
Less than 65	41

Conditions of Medicare patients treated by Dr. Mary E. Keen, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	27
Ischemic Heart Disease	54
Depression	71
Chronic Kidney Disease	54
Asthma	10
Osteoperosis	14
Atrial Fibrilation	23
Heart Failure	42
Chronic Obstructive Pulmonary Disease	25
Diabetes	48
Dementia	29
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mary E. Keen, MD treated as a general practitioner in Wheaton, IL during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary E. Keen, MD for Medicare patients.

hospital care	133
inpatient care	133

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary E. Keen, MD.

**Gender**
Male	52
Female	58

**Ethnicity**
Non-Hispanic White	79
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	39
85 and over	0
Less than 65	33

Conditions of Medicare patients treated by Dr. Mary E. Keen, MD in 2020

Hypertension	75
High Cholesterol	65
Stroke	33
Ischemic Heart Disease	52
Depression	69
Chronic Kidney Disease	55
Asthma	13
Osteoperosis	14
Atrial Fibrilation	25
Heart Failure	42
Chronic Obstructive Pulmonary Disease	24
Diabetes	49
Dementia	31
Cancer	22

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mary E. Keen, MD treated as a general practitioner in Wheaton, IL during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary E. Keen, MD for Medicare patients.

hospital care	159
inpatient care	159

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary E. Keen, MD.

**Gender**
Male	59
Female	64

**Ethnicity**
Non-Hispanic White	99
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	40
From 75 to 84	45
85 and over	20
Less than 65	18

Conditions of Medicare patients treated by Dr. Mary E. Keen, MD in 2021

Hypertension	75
High Cholesterol	73
Stroke	19
Ischemic Heart Disease	52
Depression	60
Chronic Kidney Disease	59
Asthma	10
Osteoperosis	19
Atrial Fibrilation	25
Heart Failure	33
Chronic Obstructive Pulmonary Disease	26
Diabetes	44
Dementia	34
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mary E. Keen, MD treated as a general practitioner in Wheaton, IL during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary E. Keen, MD for Medicare patients.

hospital care	178
inpatient care	178

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary E. Keen, MD.

**Gender**
Male	55
Female	78

**Ethnicity**
Non-Hispanic White	107
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	39
From 75 to 84	56
85 and over	19
Less than 65	19

Conditions of Medicare patients treated by Dr. Mary E. Keen, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	30
Ischemic Heart Disease	39
Depression	50
Chronic Kidney Disease	38
Asthma	12
Osteoperosis	27
Atrial Fibrilation	32
Heart Failure	32
Chronic Obstructive Pulmonary Disease	25
Diabetes	41
Dementia	23
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mary E. Keen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mary E. Keen, MD treated as a general practitioner in Wheaton, IL were hospital care, inpatient care and nursing home care.

doctor visit	31
hospital care	205
inpatient care	205
nursing home care	40

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mary E. Keen, MD.

**Gender**
Male	70
Female	77

**Ethnicity**
Black / African American	25
Asian / Pacific Islander	0
Non-Hispanic White	103
Hispanic	1
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	41
85 and over	21
Less than 65	36
65 to 74	41

Average of Total of Conditions of Medicare patients treated by Dr. Mary E. Keen, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mary E. Keen, MD treated were hypertension, high cholesterol, depression and chronic kidney disease.

Hypertension	68
High Cholesterol	63
Stroke	26
Ischemic Heart Disease	45
Depression	50
Chronic Kidney Disease	47
Asthma	13
Osteoporosis	15
Heart Failure	36
Chronic Obstructive Pulmonary Disease	22
Diabetes	41
Atrial Fibrillation	24
Cancer	12
Dementia	25

Education & Training

Dr. Mary E. Keen, MD graduated from Northwestern University Feinberg School of Medicine in 1979. She completed residency at Loyola University Medical Center. She is certified by the American Board of Pediatrics - Pediatrics (Certified) and has a state license in Illinois.

Medical School: Northwestern University Feinberg School of Medicine (1979)

Residency: Loyola University Medical Center (1990)

Board Certification: American Board of Pediatrics - Pediatrics (Certified)

Licensed In: Illinois

Affiliations & Hospitals

Dr. Mary E. Keen, MD is associated with these hospitals and organizations:

Endeavor Health

Northwestern Medicine

Northwestern Medicine Regional Medical Group

CENTRAL DUPAGE PHYSICIAN GROUP

Ratings & Reviews

Dr. Mary E. Keen, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 19 ratings. We collect ratings and reviews of Dr. Mary E. Keen, MD from all over the web to help you find the right in Wheaton, IL.

Overall Rating

(19 Ratings)

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General Payments

These charts describe general payments received by Dr. Mary E. Keen, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Medtronic USA, Inc.	$113 ACTIVA $69	Deep Brain Neurostimulation $20	Drug Infusion Systems - Neuro $13	SYNCHROMED $11
Allergan Inc.	$34 VIBERZI $21	BOTOX $13

**Types of Payments**
Food and Beverage	$147

Biography

Dr. Mary Keen sees patients in Wheaton, IL and Bolingbrook, IL. Her medical specialties are general practice and pediatric rehabilitation medicine. Dr. Keen's clinical interests include down syndrome, onabotulinumtoxinA (botox, botox cosmetic), and injections. Patients gave her an average rating of 5.0 stars (out of 5). Before completing her residency at a hospital affiliated with the University of Washington and a hospital affiliated with Loyola University, Dr. Keen attended medical school at Northwestern University, Feinberg School of Medicine. Her hospital/clinic affiliations include Northwestern Medicine Central DuPage Hospital, Northwestern Medicine Regional Medical Group, and Delnor Hospital. According to Yext, new patients are welcome to contact Dr. Keen's office in Wheaton, IL.