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Dr. Stephen F. Janas, MD

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Specializes in: Diagnostic Radiology

Boston University School of Medicine

Professional interests include: diagnostic imaging, nuclear scan, ultrasound (sonogram), and more.

2845 Greenbrier Road
Green Bay, WI 54308

(920) 288-4930

Dr. Stephen F. Janas, MD is a diagnostic radiologist in Bay, WI specializing in diagnostic radiology. He graduated from Boston University School of Medicine. Dr. Stephen F. Janas, MD is affiliated with Advocate Health Care and BayCare Clinic.

Office Locations

BayCare Clinic

2845 Greenbrier Rd Green
Bay, WI 54311

(920) 288-4848

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2845 Greenbrier Road
Green Bay, WI 54308

(920) 288-4930

(920) 288-4956

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2845 Greenbrier Road
Green Bay, WI 54311

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Noteworthy Medicare Patient Procedures Performed by Dr. Stephen F. Janas, MD in 2023

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

Top 25%

By Volume:

cardiac procedures

chest CT scan

musculoskeletal imaging

nuclear scan

By Affordability:

In 2012, among providers in related specialties within Wisconsin, Dr. Stephen F. Janas, MD performed more cardiac procedures, chest CT scan, musculoskeletal imaging, and nuclear scan procedures for Medicare patients than 75% of them and he also had a list price for ankle MRI, elbow MRI, foot MRI, hip MRI, joint MRI, knee MRI, leg MRI, lower extremity MRI, lower leg MRI, MRI (magnetic resonance imaging), shoulder MRI, thigh MRI, upper extremity MRI, and wrist MRI that was lower than the list prices billed to Medicare by 75% of them. 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. Stephen F. Janas, MD treated as a diagnostic radiologist in Bay, WI during 2012 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Stephen F. Janas, MD for Medicare patients.

abdominal imaging	474
brain imaging (neuroimaging)	89
cardiac procedures	81
CT scan	678
hip imaging	162
MRI (magnetic resonance imaging)	224
musculoskeletal imaging	391
neck imaging	13
nuclear scan	142
pelvic imaging	352
spinal procedures	74
stress testing	81
thoracic (chest) imaging	1000
ultrasound (sonogram)	227
vascular procedures	117
X-rays	1040

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Stephen F. Janas, MD treated as a diagnostic radiologist in Bay, WI during 2013 were X-rays, thoracic (chest) imaging, CT scan and musculoskeletal imaging.

Volume of procedures performed by Dr. Stephen F. Janas, MD for Medicare patients.

abdominal imaging	326
brain imaging (neuroimaging)	114
cardiac procedures	82
CT scan	489
diagnostic imaging	13
gastrointestinal procedures	13
hip imaging	140
MRI (magnetic resonance imaging)	280
musculoskeletal imaging	366
nuclear scan	136
pelvic imaging	240
spinal procedures	102
stress testing	82
thoracic (chest) imaging	827
ultrasound (sonogram)	126
vascular procedures	97
X-rays	874

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen F. Janas, MD.

**Gender**
Male	819
Female	1188

**Ethnicity**
Non-Hispanic White	1742
Black	100
Hispanic	82
Asian	43
Other	27
Native American	13

**Age**
From 65 to 74	866
From 75 to 84	605
85 and over	284
Less than 65	252

Conditions of Medicare patients treated by Dr. Stephen F. Janas, MD in 2013

Hypertension	71
High Cholesterol	58
Stroke	8
Ischemic Heart Disease	38
Depression	25
Chronic Kidney Disease	30
Asthma	10
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	22
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	10
Cancer	17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Stephen F. Janas, MD treated as a diagnostic radiologist in Bay, WI during 2014 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Stephen F. Janas, MD for Medicare patients.

abdominal imaging	327
brain imaging (neuroimaging)	123
cardiac procedures	58
CT scan	516
diagnostic imaging	21
gastrointestinal procedures	21
hip imaging	70
MRI (magnetic resonance imaging)	138
musculoskeletal imaging	247
neck imaging	12
nuclear scan	97
pelvic imaging	228
spinal procedures	49
stress testing	58
thoracic (chest) imaging	786
ultrasound (sonogram)	162
vascular procedures	61
X-rays	789

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen F. Janas, MD.

**Gender**
Male	656
Female	798

**Ethnicity**
Non-Hispanic White	1347
Black	12
Hispanic	29
Asian	23
Other	19
Native American	24

**Age**
From 65 to 74	595
From 75 to 84	332
85 and over	163
Less than 65	364

Conditions of Medicare patients treated by Dr. Stephen F. Janas, MD in 2014

Hypertension	74
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	41
Depression	37
Chronic Kidney Disease	39
Asthma	15
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	23
Diabetes	32
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Stephen F. Janas, MD treated as a diagnostic radiologist in Bay, WI during 2015 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Stephen F. Janas, MD for Medicare patients.

abdominal imaging	263
brain imaging (neuroimaging)	156
cardiac procedures	35
CT scan	505
diagnostic imaging	11
gastrointestinal procedures	11
hip imaging	78
MRI (magnetic resonance imaging)	178
musculoskeletal imaging	258
neck imaging	12
nuclear scan	63
pelvic imaging	195
spinal procedures	102
stress testing	35
thoracic (chest) imaging	752
ultrasound (sonogram)	127
vascular procedures	58
X-rays	786

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen F. Janas, MD.

**Gender**
Male	1232
Female	1576

**Ethnicity**
Non-Hispanic White	2586
Black	0
Hispanic	0
Asian	50
Other	54
Native American	60

**Age**
From 65 to 74	1224
From 75 to 84	632
85 and over	310
Less than 65	642

Conditions of Medicare patients treated by Dr. Stephen F. Janas, MD in 2015

Hypertension	73
High Cholesterol	60
Stroke	9
Ischemic Heart Disease	39
Depression	39
Chronic Kidney Disease	41
Asthma	22
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	25
Chronic Obstructive Pulmonary Disease	25
Diabetes	34
Dementia	11
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Stephen F. Janas, MD treated as a diagnostic radiologist in Bay, WI during 2016 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Stephen F. Janas, MD for Medicare patients.

abdominal imaging	301
aspiration	13
brain imaging (neuroimaging)	138
cardiac procedures	45
CT scan	465
diagnostic imaging	20
gastrointestinal procedures	20
hip imaging	60
injections	13
MRI (magnetic resonance imaging)	212
musculoskeletal imaging	223
neck imaging	17
nuclear scan	65
pelvic imaging	190
preventive care	11
spinal procedures	114
stress testing	45
thoracic (chest) imaging	727
ultrasound (sonogram)	116
vascular procedures	35
X-rays	742

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen F. Janas, MD.

**Gender**
Male	683
Female	851

**Ethnicity**
Non-Hispanic White	1401
Black	20
Hispanic	28
Asian	27
Other	30
Native American	28

**Age**
From 65 to 74	671
From 75 to 84	347
85 and over	151
Less than 65	365

Conditions of Medicare patients treated by Dr. Stephen F. Janas, MD in 2016

Hypertension	72
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	40
Depression	35
Chronic Kidney Disease	44
Asthma	29
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	23
Chronic Obstructive Pulmonary Disease	25
Diabetes	34
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Stephen F. Janas, MD treated as a diagnostic radiologist in Bay, WI during 2017 were thoracic (chest) imaging, X-rays, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Stephen F. Janas, MD for Medicare patients.

abdominal imaging	284
brain imaging (neuroimaging)	107
cardiac procedures	27
CT scan	539
diagnostic imaging	12
gastrointestinal procedures	12
hip imaging	40
MRI (magnetic resonance imaging)	111
musculoskeletal imaging	276
neck imaging	19
nuclear scan	57
pelvic imaging	187
preventive care	21
spinal procedures	59
stress testing	27
thoracic (chest) imaging	737
ultrasound (sonogram)	150
vascular procedures	58
X-rays	710

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen F. Janas, MD.

**Gender**
Male	693
Female	848

**Ethnicity**
Non-Hispanic White	1443
Black	17
Hispanic	15
Asian	21
Other	21
Native American	24

**Age**
From 65 to 74	712
From 75 to 84	336
85 and over	158
Less than 65	335

Conditions of Medicare patients treated by Dr. Stephen F. Janas, MD in 2017

Hypertension	71
High Cholesterol	56
Stroke	8
Ischemic Heart Disease	40
Depression	35
Chronic Kidney Disease	43
Asthma	14
Osteoperosis	13
Atrial Fibrilation	16
Heart Failure	25
Chronic Obstructive Pulmonary Disease	24
Diabetes	31
Dementia	12
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Stephen F. Janas, MD treated as a diagnostic radiologist in Bay, WI during 2018 were CT scan, abdominal imaging, thoracic (chest) imaging and musculoskeletal imaging.

Volume of procedures performed by Dr. Stephen F. Janas, MD for Medicare patients.

abdominal imaging	327
brain imaging (neuroimaging)	179
cardiac procedures	39
CT scan	720
diagnostic imaging	14
gastrointestinal procedures	14
hip imaging	50
MRI (magnetic resonance imaging)	179
musculoskeletal imaging	277
neck imaging	36
nuclear scan	64
pelvic imaging	232
preventive care	41
spinal procedures	117
stress testing	39
thoracic (chest) imaging	290
ultrasound (sonogram)	186
vascular procedures	110
X-rays	222

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen F. Janas, MD.

**Gender**
Male	805
Female	990

**Ethnicity**
Non-Hispanic White	1634
Black	13
Hispanic	38
Asian	36
Other	44
Native American	30

**Age**
From 65 to 74	841
From 75 to 84	423
85 and over	168
Less than 65	363

Conditions of Medicare patients treated by Dr. Stephen F. Janas, MD in 2018

Hypertension	70
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	41
Depression	34
Chronic Kidney Disease	43
Asthma	12
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	24
Chronic Obstructive Pulmonary Disease	24
Diabetes	33
Dementia	12
Cancer	17

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Stephen F. Janas, MD treated as a diagnostic radiologist in Bay, WI during 2019 were CT scan, musculoskeletal imaging, abdominal imaging and thoracic (chest) imaging.

Volume of procedures performed by Dr. Stephen F. Janas, MD for Medicare patients.

abdominal imaging	222
brain imaging (neuroimaging)	140
cardiac procedures	54
CT scan	536
hip imaging	48
MRI (magnetic resonance imaging)	186
musculoskeletal imaging	233
neck imaging	14
nuclear scan	71
pelvic imaging	195
preventive care	22
spinal procedures	105
stress testing	54
thoracic (chest) imaging	201
ultrasound (sonogram)	127
vascular procedures	60
X-rays	152

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen F. Janas, MD.

**Gender**
Male	728
Female	804

**Ethnicity**
Non-Hispanic White	1399
Black	25
Hispanic	28
Asian	24
Other	28
Native American	28

**Age**
From 65 to 74	686
From 75 to 84	387
85 and over	150
Less than 65	309

Conditions of Medicare patients treated by Dr. Stephen F. Janas, MD in 2019

Hypertension	74
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	44
Depression	37
Chronic Kidney Disease	45
Asthma	14
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	29
Chronic Obstructive Pulmonary Disease	26
Diabetes	33
Dementia	12
Cancer	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Stephen F. Janas, MD treated as a diagnostic radiologist in Bay, WI during 2020 were CT scan, musculoskeletal imaging, thoracic (chest) imaging and abdominal imaging.

Volume of procedures performed by Dr. Stephen F. Janas, MD for Medicare patients.

abdominal imaging	196
brain imaging (neuroimaging)	112
cardiac procedures	43
CT scan	494
hip imaging	38
MRI (magnetic resonance imaging)	98
musculoskeletal imaging	243
neck imaging	24
nuclear scan	61
pelvic imaging	156
preventive care	22
spinal procedures	58
stress testing	43
thoracic (chest) imaging	209
ultrasound (sonogram)	120
vascular procedures	56
X-rays	168

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen F. Janas, MD.

**Gender**
Male	612
Female	724

**Ethnicity**
Non-Hispanic White	1216
Black	15
Hispanic	29
Asian	23
Other	37
Native American	16

**Age**
From 65 to 74	661
From 75 to 84	336
85 and over	116
Less than 65	223

Conditions of Medicare patients treated by Dr. Stephen F. Janas, MD in 2020

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	47
Depression	36
Chronic Kidney Disease	48
Asthma	12
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	29
Chronic Obstructive Pulmonary Disease	26
Diabetes	31
Dementia	12
Cancer	20

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Stephen F. Janas, MD treated as a diagnostic radiologist in Bay, WI during 2021 were CT scan, musculoskeletal imaging, abdominal imaging and pelvic imaging.

Volume of procedures performed by Dr. Stephen F. Janas, MD for Medicare patients.

abdominal imaging	246
brain imaging (neuroimaging)	184
cardiac procedures	47
CT scan	579
hip imaging	58
MRI (magnetic resonance imaging)	186
musculoskeletal imaging	303
neck imaging	34
nuclear scan	78
pelvic imaging	207
spinal procedures	96
stress testing	47
thoracic (chest) imaging	202
ultrasound (sonogram)	173
vascular procedures	82
X-rays	207

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen F. Janas, MD.

**Gender**
Male	715
Female	882

**Ethnicity**
Non-Hispanic White	1450
Black	15
Hispanic	39
Asian	23
Other	53
Native American	17

**Age**
From 65 to 74	835
From 75 to 84	376
85 and over	152
Less than 65	234

Conditions of Medicare patients treated by Dr. Stephen F. Janas, MD in 2021

Hypertension	74
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	44
Depression	38
Chronic Kidney Disease	51
Asthma	11
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	29
Chronic Obstructive Pulmonary Disease	24
Diabetes	32
Dementia	13
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Stephen F. Janas, MD treated as a diagnostic radiologist in Bay, WI during 2022 were CT scan, abdominal imaging, musculoskeletal imaging and pelvic imaging.

Volume of procedures performed by Dr. Stephen F. Janas, MD for Medicare patients.

abdominal imaging	248
brain imaging (neuroimaging)	142
cardiac procedures	42
CT scan	539
hip imaging	40
MRI (magnetic resonance imaging)	175
musculoskeletal imaging	245
neck imaging	26
nuclear scan	42
pelvic imaging	215
spinal procedures	95
stress testing	42
thoracic (chest) imaging	193
ultrasound (sonogram)	130
vascular procedures	52
X-rays	190

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen F. Janas, MD.

**Gender**
Male	699
Female	740

**Ethnicity**
Non-Hispanic White	1307
Black	15
Hispanic	22
Asian	20
Other	47
Native American	28

**Age**
From 65 to 74	746
From 75 to 84	386
85 and over	114
Less than 65	193

Conditions of Medicare patients treated by Dr. Stephen F. Janas, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	34
Depression	32
Chronic Kidney Disease	40
Asthma	14
Osteoperosis	15
Atrial Fibrilation	23
Heart Failure	27
Chronic Obstructive Pulmonary Disease	26
Diabetes	33
Dementia	9
Cancer	25

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Stephen F. Janas, MD for Medicare patients.

The highest averages for the top procedures that Dr. Stephen F. Janas, MD treated as a diagnostic radiologist in Bay, WI were CT scan, thoracic (chest) imaging, X-rays and abdominal imaging.

abdominal imaging	292
aspiration	13
brain imaging (neuroimaging)	134
cardiac procedures	50
CT scan	550
diagnostic imaging	15
gastrointestinal procedures	15
hip imaging	71
injections	13
MRI (magnetic resonance imaging)	178
musculoskeletal imaging	278
neck imaging	20
nuclear scan	79
pelvic imaging	217
preventive care	23
spinal procedures	88
stress testing	50
thoracic (chest) imaging	538
ultrasound (sonogram)	149
vascular procedures	71
X-rays	534

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Stephen F. Janas, MD.

**Gender**
Male	694
Female	854

**Ethnicity**
Black / African American	21
Asian / Pacific Islander	26
Non-Hispanic White	1411
Native American / Alaskan Native	24
Hispanic	28
Other	32

**Age**
75 to 84	378
85 and over	160
Less than 65	298
65 to 74	712

Average of Total of Conditions of Medicare patients treated by Dr. Stephen F. Janas, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Stephen F. Janas, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	66
High Cholesterol	58
Stroke	7
Ischemic Heart Disease	37
Depression	31
Chronic Kidney Disease	38
Asthma	13
Osteoporosis	10
Heart Failure	23
Chronic Obstructive Pulmonary Disease	22
Diabetes	29
Atrial Fibrillation	15
Dementia	10
Cancer	16

Education & Training

Dr. Stephen F. Janas, MD graduated from Boston University School of Medicine. He completed residency at Mayo Clinic. He is certified by the American Board of Radiology, Diagnostic Radiology and has a state license in Illinois.

Medical School: Boston University School of Medicine

Residency: Mayo Clinic

Board Certification: American Board of Radiology, Diagnostic Radiology

Licensed In: Illinois

Affiliations & Hospitals

Dr. Stephen F. Janas, MD is associated with these hospitals and organizations:

Advocate Health Care

BayCare Clinic

Ratings & Reviews

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Biography

Dr. Stephen Janas is a physician who specializes in diagnostic radiology. His clinical interests include diagnostic imaging, nuclear scan, and body imaging. Dr. Janas's professional affiliations include Aurora BayCare Medical Center and Advocate Health Care. After completing medical school at Boston University School of Medicine, he performed his residency at Mayo Clinic.