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Home > IL Providers > Diagnostic Radiologists

Dr. John D. Keen, MD

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Specializes in: Diagnostic Radiology

1901 W Harrison Street
Chicago, IL 60612

(312) 864-6000

Dr. John D. Keen, MD is a diagnostic radiologist in Chicago, IL specializing in diagnostic radiology. Dr. John D. Keen, MD is affiliated with Cook County Health and U.S. Department of Veterans Affairs.

Office Locations

1901 W Harrison Street
Chicago, IL 60612

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5000 S. 5th Avenue Edward Hines Jr. Hospital (578)
Hines, IL 60141

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Noteworthy Medicare Patient Procedures Performed by Dr. John D. Keen, MD in 2024

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

Top 5%

By Affordability:

2-D diagnostic mammogram

musculoskeletal imaging

tibia and fibula X-ray

In 2024, Dr. John D. Keen, MD had a list price for 2-D diagnostic mammogram, 2-D mammogram, brain imaging (neuroimaging), CT scan, diagnostic imaging, diagnostic mammogram, head/brain CT scan, joint imaging, joint X-ray, knee X-ray, leg X-ray, mammogram (breast X-ray), musculoskeletal imaging, preventive care, screening mammogram, screening test, spinal procedures, spine imaging, spine X-ray, and tibia and fibula (lower leg) X-ray that was lower than the list prices billed to Medicare by 95% 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.

Top 25%

By Affordability:

breast procedures

In 2012, Dr. John D. Keen, MD had a list price for breast procedures 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. John D. Keen, MD treated as a diagnostic radiologist in Chicago, IL during 2012 were X-rays, breast procedures, women's imaging and thoracic (chest) imaging.

Volume of procedures performed by Dr. John D. Keen, MD for Medicare patients.

abdominal imaging	20
brain imaging (neuroimaging)	58
breast procedures	212
CT scan	66
diagnostic imaging	32
MRI (magnetic resonance imaging)	12
musculoskeletal imaging	13
pelvic imaging	20
preventive care	180
thoracic (chest) imaging	207
women's imaging	212
X-rays	432

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John D. Keen, MD treated as a diagnostic radiologist in Chicago, IL during 2013 were X-rays, thoracic (chest) imaging, breast procedures and preventive care.

Volume of procedures performed by Dr. John D. Keen, MD for Medicare patients.

abdominal imaging	54
brain imaging (neuroimaging)	67
breast procedures	148
CT scan	120
MRI (magnetic resonance imaging)	13
musculoskeletal imaging	16
pelvic imaging	54
preventive care	148
spinal procedures	14
thoracic (chest) imaging	241
women's imaging	148
X-rays	407

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Keen, MD.

**Gender**
Male	211
Female	318

**Ethnicity**
Non-Hispanic White	50
Black	373
Hispanic	95
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	212
From 75 to 84	96
85 and over	24
Less than 65	197

Conditions of Medicare patients treated by Dr. John D. Keen, MD in 2013

Hypertension	75
High Cholesterol	54
Stroke	9
Ischemic Heart Disease	43
Depression	25
Chronic Kidney Disease	34
Asthma	20
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	33
Chronic Obstructive Pulmonary Disease	20
Diabetes	50
Dementia	11
Cancer	18

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John D. Keen, MD treated as a diagnostic radiologist in Chicago, IL during 2014 were X-rays, thoracic (chest) imaging, breast procedures and women's imaging.

Volume of procedures performed by Dr. John D. Keen, MD for Medicare patients.

abdominal imaging	28
brain imaging (neuroimaging)	27
breast procedures	89
CT scan	72
diagnostic imaging	20
hip imaging	12
musculoskeletal imaging	12
pelvic imaging	28
preventive care	69
thoracic (chest) imaging	146
women's imaging	89
X-rays	230

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Keen, MD.

**Gender**
Male	155
Female	233

**Ethnicity**
Non-Hispanic White	0
Black	267
Hispanic	71
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	67
85 and over	15
Less than 65	133

Conditions of Medicare patients treated by Dr. John D. Keen, MD in 2014

Hypertension	75
High Cholesterol	43
Stroke	7
Ischemic Heart Disease	40
Depression	27
Chronic Kidney Disease	30
Asthma	19
Osteoperosis	5
Atrial Fibrilation	7
Heart Failure	29
Chronic Obstructive Pulmonary Disease	19
Diabetes	47
Dementia	11
Cancer	21

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John D. Keen, MD treated as a diagnostic radiologist in Chicago, IL during 2015 were X-rays, breast procedures, women's imaging and diagnostic imaging.

Volume of procedures performed by Dr. John D. Keen, MD for Medicare patients.

breast procedures	165
diagnostic imaging	91
preventive care	47
thoracic (chest) imaging	41
ultrasound (sonogram)	27
women's imaging	165
X-rays	179

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Keen, MD.

**Gender**
Male	70
Female	334

**Ethnicity**
Non-Hispanic White	0
Black	282
Hispanic	74
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	0
85 and over	0
Less than 65	118

Conditions of Medicare patients treated by Dr. John D. Keen, MD in 2015

Hypertension	75
High Cholesterol	43
Stroke	6
Ischemic Heart Disease	27
Depression	15
Chronic Kidney Disease	19
Asthma	21
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	22
Chronic Obstructive Pulmonary Disease	16
Diabetes	47
Dementia	0
Cancer	29

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John D. Keen, MD treated as a diagnostic radiologist in Chicago, IL during 2016 were X-rays, breast procedures, women's imaging and thoracic (chest) imaging.

Volume of procedures performed by Dr. John D. Keen, MD for Medicare patients.

abdominal imaging	13
brain imaging (neuroimaging)	13
breast procedures	338
CT scan	26
diagnostic imaging	160
pelvic imaging	13
preventive care	178
thoracic (chest) imaging	198
women's imaging	338
X-rays	536

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Keen, MD.

**Gender**
Male	133
Female	315

**Ethnicity**
Non-Hispanic White	45
Black	323
Hispanic	65
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	221
From 75 to 84	67
85 and over	17
Less than 65	143

Conditions of Medicare patients treated by Dr. John D. Keen, MD in 2016

Hypertension	75
High Cholesterol	44
Stroke	6
Ischemic Heart Disease	34
Depression	25
Chronic Kidney Disease	40
Asthma	28
Osteoperosis	8
Atrial Fibrilation	6
Heart Failure	29
Chronic Obstructive Pulmonary Disease	21
Diabetes	47
Dementia	10
Cancer	20

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John D. Keen, MD treated as a diagnostic radiologist in Chicago, IL during 2017 were X-rays, thoracic (chest) imaging, breast procedures and women's imaging.

Volume of procedures performed by Dr. John D. Keen, MD for Medicare patients.

brain imaging (neuroimaging)	14
breast procedures	33
CT scan	14
diagnostic imaging	15
preventive care	18
thoracic (chest) imaging	175
women's imaging	33
X-rays	208

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Keen, MD.

**Gender**
Male	126
Female	180

**Ethnicity**
Non-Hispanic White	0
Black	235
Hispanic	42
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	64
85 and over	25
Less than 65	84

Conditions of Medicare patients treated by Dr. John D. Keen, MD in 2017

Hypertension	75
High Cholesterol	40
Stroke	10
Ischemic Heart Disease	37
Depression	23
Chronic Kidney Disease	47
Asthma	17
Osteoperosis	5
Atrial Fibrilation	8
Heart Failure	34
Chronic Obstructive Pulmonary Disease	28
Diabetes	49
Dementia	15
Cancer	21

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John D. Keen, MD treated as a diagnostic radiologist in Chicago, IL during 2018 were breast procedures, women's imaging, X-rays and preventive care.

Volume of procedures performed by Dr. John D. Keen, MD for Medicare patients.

abdominal imaging	22
brain imaging (neuroimaging)	11
breast procedures	286
CT scan	55
diagnostic imaging	61
pelvic imaging	36
preventive care	190
thoracic (chest) imaging	22
ultrasound (sonogram)	35
women's imaging	286
X-rays	265

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Keen, MD.

**Gender**
Male	155
Female	407

**Ethnicity**
Non-Hispanic White	40
Black	417
Hispanic	89
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	275
From 75 to 84	96
85 and over	19
Less than 65	172

Conditions of Medicare patients treated by Dr. John D. Keen, MD in 2018

Hypertension	75
High Cholesterol	38
Stroke	5
Ischemic Heart Disease	27
Depression	17
Chronic Kidney Disease	36
Asthma	16
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	26
Chronic Obstructive Pulmonary Disease	17
Diabetes	46
Dementia	12
Cancer	18

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John D. Keen, MD treated as a diagnostic radiologist in Chicago, IL during 2019 were breast procedures, women's imaging, X-rays and preventive care.

Volume of procedures performed by Dr. John D. Keen, MD for Medicare patients.

abdominal imaging	21
brain imaging (neuroimaging)	17
breast procedures	226
CT scan	56
diagnostic imaging	51
musculoskeletal imaging	12
pelvic imaging	21
preventive care	161
thoracic (chest) imaging	18
ultrasound (sonogram)	14
women's imaging	226
X-rays	224

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Keen, MD.

**Gender**
Male	145
Female	416

**Ethnicity**
Non-Hispanic White	53
Black	415
Hispanic	77
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	266
From 75 to 84	103
85 and over	29
Less than 65	163

Conditions of Medicare patients treated by Dr. John D. Keen, MD in 2019

Hypertension	75
High Cholesterol	46
Stroke	5
Ischemic Heart Disease	34
Depression	20
Chronic Kidney Disease	41
Asthma	13
Osteoperosis	5
Atrial Fibrilation	6
Heart Failure	30
Chronic Obstructive Pulmonary Disease	21
Diabetes	50
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John D. Keen, MD treated as a diagnostic radiologist in Chicago, IL during 2020 were breast procedures, X-rays, women's imaging and preventive care.

Volume of procedures performed by Dr. John D. Keen, MD for Medicare patients.

brain imaging (neuroimaging)	15
breast procedures	113
CT scan	15
diagnostic imaging	24
preventive care	89
women's imaging	113
X-rays	113

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Keen, MD.

**Gender**
Male	115
Female	220

**Ethnicity**
Non-Hispanic White	0
Black	248
Hispanic	52
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	165
From 75 to 84	65
85 and over	15
Less than 65	90

Conditions of Medicare patients treated by Dr. John D. Keen, MD in 2020

Hypertension	75
High Cholesterol	45
Stroke	11
Ischemic Heart Disease	40
Depression	24
Chronic Kidney Disease	53
Asthma	18
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	38
Chronic Obstructive Pulmonary Disease	21
Diabetes	53
Dementia	14
Cancer	20

Medicare Procedure and Patient Information

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Keen, MD.

**Gender**
Male	70
Female	77

**Ethnicity**
Non-Hispanic White	0
Black	99
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	69
From 75 to 84	31
85 and over	19
Less than 65	28

Conditions of Medicare patients treated by Dr. John D. Keen, MD in 2021

Hypertension	75
High Cholesterol	61
Stroke	14
Ischemic Heart Disease	59
Depression	25
Chronic Kidney Disease	70
Asthma	22
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	49
Chronic Obstructive Pulmonary Disease	33
Diabetes	55
Dementia	22
Cancer	23

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John D. Keen, MD treated as a diagnostic radiologist in Chicago, IL during 2022 were X-rays, breast procedures, women's imaging and preventive care.

Volume of procedures performed by Dr. John D. Keen, MD for Medicare patients.

breast procedures	40
diagnostic imaging	19
pelvic imaging	12
preventive care	21
women's imaging	40
X-rays	52

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Keen, MD.

**Gender**
Male	90
Female	133

**Ethnicity**
Non-Hispanic White	27
Black	142
Hispanic	38
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	108
From 75 to 84	42
85 and over	22
Less than 65	51

Conditions of Medicare patients treated by Dr. John D. Keen, MD in 2022

Hypertension	75
High Cholesterol	58
Stroke	11
Ischemic Heart Disease	29
Depression	20
Chronic Kidney Disease	32
Asthma	18
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	32
Chronic Obstructive Pulmonary Disease	28
Diabetes	49
Dementia	10
Cancer	22

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John D. Keen, MD treated as a diagnostic radiologist in Chicago, IL during 2023 were X-rays, breast procedures, preventive care and women's imaging.

Volume of procedures performed by Dr. John D. Keen, MD for Medicare patients.

brain imaging (neuroimaging)	17
breast procedures	121
CT scan	17
musculoskeletal imaging	26
pelvic imaging	18
preventive care	121
women's imaging	121
X-rays	165

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Keen, MD.

**Gender**
Male	112
Female	266

**Ethnicity**
Non-Hispanic White	47
Black	245
Hispanic	59
Asian	15
Other	12
Native American	0

**Age**
From 65 to 74	204
From 75 to 84	79
85 and over	28
Less than 65	67

Conditions of Medicare patients treated by Dr. John D. Keen, MD in 2023

Hypertension	75
High Cholesterol	54
Stroke	10
Ischemic Heart Disease	26
Depression	21
Chronic Kidney Disease	29
Asthma	18
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	28
Chronic Obstructive Pulmonary Disease	20
Diabetes	52
Dementia	9
Cancer	19

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. John D. Keen, MD treated as a diagnostic radiologist in Chicago, IL during 2024 were X-rays, breast procedures, women's imaging and preventive care.

Volume of procedures performed by Dr. John D. Keen, MD for Medicare patients.

brain imaging (neuroimaging)	12
breast procedures	234
CT scan	12
diagnostic imaging	40
musculoskeletal imaging	24
preventive care	177
spinal procedures	11
ultrasound (sonogram)	17
women's imaging	234
X-rays	263

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Keen, MD.

**Gender**
Male	122
Female	354

**Ethnicity**
Non-Hispanic White	33
Black	346
Hispanic	80
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	242
From 75 to 84	101
85 and over	28
Less than 65	105

Conditions of Medicare patients treated by Dr. John D. Keen, MD in 2024

Hypertension	75
High Cholesterol	52
Stroke	9
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	30
Asthma	17
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	27
Chronic Obstructive Pulmonary Disease	18
Diabetes	49
Dementia	7
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. John D. Keen, MD for Medicare patients.

The highest averages for the top procedures that Dr. John D. Keen, MD treated as a diagnostic radiologist in Chicago, IL were X-rays, women's imaging, breast procedures and thoracic (chest) imaging.

abdominal imaging	26
brain imaging (neuroimaging)	25
breast procedures	167
CT scan	45
diagnostic imaging	51
hip imaging	12
MRI (magnetic resonance imaging)	12
musculoskeletal imaging	17
pelvic imaging	25
preventive care	116
spinal procedures	12
thoracic (chest) imaging	131
ultrasound (sonogram)	23
women's imaging	167
X-rays	256

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. John D. Keen, MD.

**Gender**
Female	250
Male	115

**Ethnicity**
Black / African American	260
Asian / Pacific Islander	1
Non-Hispanic White	22
Native American / Alaskan Native	0
Hispanic	59
Other	0

**Age**
85 and over	18
75 to 84	62
Less than 65	103
65 to 74	176

Average of Total of Conditions of Medicare patients treated by Dr. John D. Keen, MD From 2012 - 2024

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

Hypertension	69
High Cholesterol	44
Stroke	7
Ischemic Heart Disease	32
Depression	20
Chronic Kidney Disease	35
Asthma	17
Osteoporosis	5
Heart Failure	29
Chronic Obstructive Pulmonary Disease	20
Diabetes	45
Atrial Fibrillation	8
Cancer	19
Dementia	10

Education & Training

He completed residency at Northwestern University Affiliated Hospitals. He has a state license in Illinois.

Residency: Northwestern University Affiliated Hospitals

Licensed In: Illinois

Ratings & Reviews

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General Payments

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

**Payments by Company**
Genentech USA, Inc.	$44 Perjeta $30	Herceptin $14

**Types of Payments**
Food and Beverage	$44

Biography

Dr. John Keen practices diagnostic radiology. Dr. Keen trained at a hospital affiliated with Northwestern University for his residency. His hospital/clinic affiliations include Cook County Health and U.S. Department of Veterans Affairs.