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Home > WI Providers > Diagnostic Radiologists

Dr. Gregory L. Denison, MD

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Specializes in: Diagnostic Radiology

1000 Mineral Point Avenue
Janesville, WI 53548

(608) 756-6000

Dr. Gregory L. Denison, MD is a diagnostic radiologist in Janesville, WI specializing in diagnostic radiology.

Office Locations

1000 Mineral Point Avenue
Janesville, WI 53548

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gregory L. Denison, MD treated as a diagnostic radiologist in Janesville, WI during 2012 were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

Volume of procedures performed by Dr. Gregory L. Denison, MD for Medicare patients.

abdominal imaging	204
brain imaging (neuroimaging)	139
breast procedures	608
catheterization	54
CT scan	366
diagnostic imaging	106
hip imaging	38
MRI (magnetic resonance imaging)	49
musculoskeletal imaging	266
neck imaging	19
pelvic imaging	183
preventive care	465
spinal procedures	47
thoracic (chest) imaging	925
ultrasound (sonogram)	301
vascular procedures	162
women's imaging	621
X-rays	1713

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory L. Denison, MD treated as a diagnostic radiologist in Janesville, WI during 2013 were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

Volume of procedures performed by Dr. Gregory L. Denison, MD for Medicare patients.

abdominal imaging	276
aspiration	16
brain imaging (neuroimaging)	161
breast procedures	572
catheterization	64
CT scan	394
diagnostic imaging	124
hip imaging	87
MRI (magnetic resonance imaging)	69
musculoskeletal imaging	337
neck imaging	26
pelvic imaging	212
pleural drainage	16
preventive care	405
spinal procedures	84
thoracic (chest) imaging	1085
ultrasound (sonogram)	476
vascular procedures	204
women's imaging	598
X-rays	1916

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory L. Denison, MD.

**Gender**
Male	746
Female	1572

**Ethnicity**
Non-Hispanic White	2196
Black	48
Hispanic	38
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	1009
From 75 to 84	604
85 and over	231
Less than 65	474

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2013

Hypertension	66
High Cholesterol	54
Stroke	8
Ischemic Heart Disease	28
Depression	30
Chronic Kidney Disease	28
Asthma	12
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory L. Denison, MD treated as a diagnostic radiologist in Janesville, WI during 2014 were X-rays, thoracic (chest) imaging, CT scan and women's imaging.

Volume of procedures performed by Dr. Gregory L. Denison, MD for Medicare patients.

abdominal imaging	216
aspiration	17
brain imaging (neuroimaging)	179
breast procedures	326
catheterization	72
CT scan	348
diagnostic imaging	63
hip imaging	42
MRI (magnetic resonance imaging)	87
musculoskeletal imaging	184
neck imaging	16
pelvic imaging	169
pleural drainage	17
preventive care	233
spinal procedures	99
thoracic (chest) imaging	1004
ultrasound (sonogram)	301
vascular procedures	139
women's imaging	344
X-rays	1500

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory L. Denison, MD.

**Gender**
Male	583
Female	1214

**Ethnicity**
Non-Hispanic White	1704
Black	38
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	674
From 75 to 84	463
85 and over	236
Less than 65	424

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2014

Hypertension	67
High Cholesterol	54
Stroke	7
Ischemic Heart Disease	31
Depression	32
Chronic Kidney Disease	30
Asthma	14
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory L. Denison, MD treated as a diagnostic radiologist in Janesville, WI during 2015 were X-rays, thoracic (chest) imaging, CT scan and women's imaging.

Volume of procedures performed by Dr. Gregory L. Denison, MD for Medicare patients.

abdominal imaging	245
aspiration	16
brain imaging (neuroimaging)	181
breast procedures	406
catheterization	48
CT scan	430
diagnostic imaging	52
hip imaging	29
MRI (magnetic resonance imaging)	37
musculoskeletal imaging	142
neck imaging	12
pelvic imaging	192
pleural drainage	16
preventive care	302
spinal procedures	76
thoracic (chest) imaging	930
ultrasound (sonogram)	281
vascular procedures	94
women's imaging	417
X-rays	1426

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory L. Denison, MD.

**Gender**
Male	1194
Female	2362

**Ethnicity**
Non-Hispanic White	3314
Black	98
Hispanic	72
Asian	0
Other	44
Native American	0

**Age**
From 65 to 74	1462
From 75 to 84	860
85 and over	358
Less than 65	876

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2015

Hypertension	66
High Cholesterol	56
Stroke	10
Ischemic Heart Disease	29
Depression	34
Chronic Kidney Disease	32
Asthma	20
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	24
Diabetes	33
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory L. Denison, MD treated as a diagnostic radiologist in Janesville, WI during 2016 were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

Volume of procedures performed by Dr. Gregory L. Denison, MD for Medicare patients.

abdominal imaging	207
aspiration	14
brain imaging (neuroimaging)	173
breast procedures	415
catheterization	45
CT scan	353
diagnostic imaging	62
MRI (magnetic resonance imaging)	66
musculoskeletal imaging	212
neck imaging	12
pelvic imaging	120
pleural drainage	14
preventive care	299
spinal procedures	85
thoracic (chest) imaging	1097
ultrasound (sonogram)	236
vascular procedures	107
women's imaging	415
X-rays	1659

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory L. Denison, MD.

**Gender**
Male	715
Female	1316

**Ethnicity**
Non-Hispanic White	1881
Black	56
Hispanic	35
Asian	0
Other	39
Native American	0

**Age**
From 65 to 74	851
From 75 to 84	511
85 and over	201
Less than 65	468

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2016

Hypertension	67
High Cholesterol	57
Stroke	7
Ischemic Heart Disease	29
Depression	32
Chronic Kidney Disease	35
Asthma	26
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	24
Diabetes	31
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory L. Denison, MD treated as a diagnostic radiologist in Janesville, WI during 2017 were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

Volume of procedures performed by Dr. Gregory L. Denison, MD for Medicare patients.

abdominal imaging	207
brain imaging (neuroimaging)	155
breast procedures	495
catheterization	42
CT scan	355
diagnostic imaging	61
hip imaging	12
MRI (magnetic resonance imaging)	50
musculoskeletal imaging	200
neck imaging	14
nuclear scan	13
pelvic imaging	147
preventive care	400
spinal procedures	77
thoracic (chest) imaging	1004
ultrasound (sonogram)	247
vascular procedures	96
women's imaging	510
X-rays	1621

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory L. Denison, MD.

**Gender**
Male	722
Female	1385

**Ethnicity**
Non-Hispanic White	1970
Black	45
Hispanic	41
Asian	0
Other	33
Native American	0

**Age**
From 65 to 74	882
From 75 to 84	555
85 and over	222
Less than 65	448

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2017

Hypertension	67
High Cholesterol	53
Stroke	6
Ischemic Heart Disease	29
Depression	32
Chronic Kidney Disease	37
Asthma	12
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	22
Chronic Obstructive Pulmonary Disease	22
Diabetes	32
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory L. Denison, MD treated as a diagnostic radiologist in Janesville, WI during 2018 were X-rays, women's imaging, breast procedures and preventive care.

Volume of procedures performed by Dr. Gregory L. Denison, MD for Medicare patients.

abdominal imaging	151
brain imaging (neuroimaging)	132
breast procedures	659
catheterization	18
CT scan	280
diagnostic imaging	80
MRI (magnetic resonance imaging)	27
musculoskeletal imaging	121
pelvic imaging	91
preventive care	529
spinal procedures	46
thoracic (chest) imaging	38
ultrasound (sonogram)	195
vascular procedures	96
women's imaging	659
X-rays	741

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory L. Denison, MD.

**Gender**
Male	522
Female	1265

**Ethnicity**
Non-Hispanic White	1681
Black	38
Hispanic	27
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	805
From 75 to 84	425
85 and over	179
Less than 65	378

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2018

Hypertension	64
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	30
Depression	33
Chronic Kidney Disease	36
Asthma	11
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	22
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory L. Denison, MD treated as a diagnostic radiologist in Janesville, WI during 2019 were X-rays, women's imaging, breast procedures and preventive care.

Volume of procedures performed by Dr. Gregory L. Denison, MD for Medicare patients.

abdominal imaging	100
brain imaging (neuroimaging)	100
breast procedures	693
CT scan	292
diagnostic imaging	88
musculoskeletal imaging	123
pelvic imaging	86
preventive care	562
spinal procedures	29
thoracic (chest) imaging	66
ultrasound (sonogram)	142
vascular procedures	92
women's imaging	693
X-rays	779

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory L. Denison, MD.

**Gender**
Male	463
Female	1233

**Ethnicity**
Non-Hispanic White	1592
Black	34
Hispanic	25
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	793
From 75 to 84	412
85 and over	172
Less than 65	319

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2019

Hypertension	66
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	34
Depression	34
Chronic Kidney Disease	36
Asthma	10
Osteoperosis	15
Atrial Fibrilation	14
Heart Failure	24
Chronic Obstructive Pulmonary Disease	22
Diabetes	32
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory L. Denison, MD treated as a diagnostic radiologist in Janesville, WI during 2020 were X-rays, women's imaging, breast procedures and preventive care.

Volume of procedures performed by Dr. Gregory L. Denison, MD for Medicare patients.

abdominal imaging	69
brain imaging (neuroimaging)	77
breast procedures	674
CT scan	183
diagnostic imaging	62
MRI (magnetic resonance imaging)	11
musculoskeletal imaging	113
pelvic imaging	49
preventive care	574
spinal procedures	14
thoracic (chest) imaging	54
ultrasound (sonogram)	107
vascular procedures	48
women's imaging	674
X-rays	757

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory L. Denison, MD.

**Gender**
Male	413
Female	1081

**Ethnicity**
Non-Hispanic White	1399
Black	0
Hispanic	32
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	757
From 75 to 84	367
85 and over	137
Less than 65	233

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2020

Hypertension	62
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	30
Depression	32
Chronic Kidney Disease	34
Asthma	8
Osteoperosis	16
Atrial Fibrilation	12
Heart Failure	22
Chronic Obstructive Pulmonary Disease	16
Diabetes	28
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory L. Denison, MD treated as a diagnostic radiologist in Janesville, WI during 2021 were X-rays, musculoskeletal imaging, ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Gregory L. Denison, MD for Medicare patients.

breast procedures	12
diagnostic imaging	12
musculoskeletal imaging	36
ultrasound (sonogram)	13
vascular procedures	13
women's imaging	12
X-rays	48

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory L. Denison, MD.

**Gender**
Male	113
Female	195

**Ethnicity**
Non-Hispanic White	296
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	96
85 and over	27
Less than 65	43

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2021

Hypertension	69
High Cholesterol	63
Stroke	10
Ischemic Heart Disease	42
Depression	31
Chronic Kidney Disease	43
Asthma	11
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	33
Chronic Obstructive Pulmonary Disease	24
Diabetes	32
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2021

Volume of procedures performed by Dr. Gregory L. Denison, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory L. Denison, MD treated as a diagnostic radiologist in Janesville, WI were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

abdominal imaging	186
aspiration	15
brain imaging (neuroimaging)	144
breast procedures	486
catheterization	49
CT scan	333
diagnostic imaging	71
hip imaging	41
MRI (magnetic resonance imaging)	49
musculoskeletal imaging	173
neck imaging	16
nuclear scan	13
pelvic imaging	138
pleural drainage	15
preventive care	418
spinal procedures	61
thoracic (chest) imaging	689
ultrasound (sonogram)	229
vascular procedures	105
women's imaging	494
X-rays	1216

Average Medicare Patient Data From 2012 - 2021

Information about Medicare patients treated by Dr. Gregory L. Denison, MD.

**Gender**
Male	547
Female	1162

**Ethnicity**
Black / African American	35
Asian / Pacific Islander	0
Non-Hispanic White	1603
Native American / Alaskan Native	0
Hispanic	29
Other	20

**Age**
75 to 84	429
85 and over	176
Less than 65	366
65 to 74	737

Average of Total of Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD From 2012 - 2021

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

Hypertension	59
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	28
Depression	29
Chronic Kidney Disease	31
Asthma	12
Osteoporosis	11
Heart Failure	20
Chronic Obstructive Pulmonary Disease	19
Diabetes	28
Atrial Fibrillation	11
Dementia	9
Cancer	12

Education & Training

He has a state license in Illinois.

Licensed In: Illinois

Ratings & Reviews

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General Payments

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

**Payments by Company**
Bard Peripheral Vascular, Inc.	$69 MARQUEE $50	Vascular $19
Covidien Sales LLC	$18 Dialysis_Vascular Access $18

**Types of Payments**
Food and Beverage	$86

Biography

Dr. Gregory Denison, who practices in Janesville, WI, is a medical specialist in diagnostic radiology. Dr. Denison obtained a license to practice in Wisconsin.

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Dr. Gregory L. Denison, MD

Office Locations

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD in 2021

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2021

Average Medicare Patient Data From 2012 - 2021

Average of Total of Conditions of Medicare patients treated by Dr. Gregory L. Denison, MD From 2012 - 2021

Education & Training

Ratings & Reviews

General Payments

Biography

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