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Dr. Mark Christian Johannsen, MD

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Specializes in: Diagnostic Radiology

450 E 23rd Street
Fremont, NE 68025

(402) 721-3070

Dr. Mark Christian Johannsen, MD is a diagnostic radiologist in Fremont, NE specializing in diagnostic radiology.

Office Locations

450 E 23rd Street
Fremont, NE 68025

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark Christian Johannsen, MD treated as a diagnostic radiologist in Fremont, NE during 2012 were X-rays, thoracic (chest) imaging, CT scan and women's imaging.

Volume of procedures performed by Dr. Mark Christian Johannsen, MD for Medicare patients.

abdominal imaging	559
brain imaging (neuroimaging)	403
breast procedures	656
cardiac procedures	41
CT scan	930
diagnostic imaging	39
eye procedures	15
gastrointestinal procedures	11
hip imaging	123
MRI (magnetic resonance imaging)	277
musculoskeletal imaging	333
neck imaging	56
nuclear scan	81
pelvic imaging	329
preventive care	600
spinal procedures	279
stress testing	41
thoracic (chest) imaging	1648
ultrasound (sonogram)	559
vascular procedures	293
women's imaging	656
X-rays	2612

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Christian Johannsen, MD treated as a diagnostic radiologist in Fremont, NE during 2013 were X-rays, thoracic (chest) imaging, CT scan and ultrasound (sonogram).

Volume of procedures performed by Dr. Mark Christian Johannsen, MD for Medicare patients.

abdominal imaging	575
brain imaging (neuroimaging)	385
breast procedures	484
cardiac procedures	42
CT scan	889
diagnostic imaging	50
eye procedures	15
hip imaging	126
MRI (magnetic resonance imaging)	258
musculoskeletal imaging	348
neck imaging	52
nuclear scan	81
pelvic imaging	327
preventive care	417
spinal procedures	263
stress testing	42
thoracic (chest) imaging	1538
ultrasound (sonogram)	592
vascular procedures	357
women's imaging	484
X-rays	2383

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Christian Johannsen, MD.

**Gender**
Male	892
Female	1599

**Ethnicity**
Non-Hispanic White	2444
Black	0
Hispanic	15
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	859
From 75 to 84	810
85 and over	506
Less than 65	316

Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD in 2013

Hypertension	73
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	31
Depression	24
Chronic Kidney Disease	24
Asthma	7
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	18
Chronic Obstructive Pulmonary Disease	23
Diabetes	29
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Christian Johannsen, MD treated as a diagnostic radiologist in Fremont, NE during 2014 were X-rays, thoracic (chest) imaging, CT scan and ultrasound (sonogram).

Volume of procedures performed by Dr. Mark Christian Johannsen, MD for Medicare patients.

abdominal imaging	601
brain imaging (neuroimaging)	457
breast procedures	495
cardiac procedures	31
CT scan	1008
diagnostic imaging	42
eye procedures	12
gastrointestinal procedures	12
hip imaging	133
MRI (magnetic resonance imaging)	265
musculoskeletal imaging	319
neck imaging	47
nuclear scan	63
pelvic imaging	372
preventive care	430
spinal procedures	311
stress testing	31
thoracic (chest) imaging	1328
ultrasound (sonogram)	607
vascular procedures	338
women's imaging	495
X-rays	2188

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Christian Johannsen, MD.

**Gender**
Male	901
Female	1563

**Ethnicity**
Non-Hispanic White	2407
Black	0
Hispanic	21
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	836
From 75 to 84	844
85 and over	478
Less than 65	306

Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD in 2014

Hypertension	73
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	31
Depression	26
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	17
Chronic Obstructive Pulmonary Disease	23
Diabetes	29
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Christian Johannsen, MD treated as a diagnostic radiologist in Fremont, NE during 2015 were X-rays, thoracic (chest) imaging, CT scan and ultrasound (sonogram).

Volume of procedures performed by Dr. Mark Christian Johannsen, MD for Medicare patients.

abdominal imaging	525
brain imaging (neuroimaging)	432
breast procedures	588
cardiac procedures	73
CT scan	958
diagnostic imaging	51
eye procedures	13
hip imaging	133
MRI (magnetic resonance imaging)	284
musculoskeletal imaging	348
neck imaging	50
nuclear scan	103
pelvic imaging	364
preventive care	503
spinal procedures	308
stress testing	73
thoracic (chest) imaging	1556
ultrasound (sonogram)	602
vascular procedures	326
women's imaging	588
X-rays	2419

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Christian Johannsen, MD.

**Gender**
Male	1968
Female	3336

**Ethnicity**
Non-Hispanic White	5186
Black	0
Hispanic	38
Asian	0
Other	50
Native American	0

**Age**
From 65 to 74	1886
From 75 to 84	1678
85 and over	976
Less than 65	764

Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD in 2015

Hypertension	72
High Cholesterol	59
Stroke	6
Ischemic Heart Disease	31
Depression	27
Chronic Kidney Disease	27
Asthma	15
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	16
Chronic Obstructive Pulmonary Disease	24
Diabetes	29
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Christian Johannsen, MD treated as a diagnostic radiologist in Fremont, NE during 2016 were X-rays, thoracic (chest) imaging, CT scan and ultrasound (sonogram).

Volume of procedures performed by Dr. Mark Christian Johannsen, MD for Medicare patients.

abdominal imaging	550
brain imaging (neuroimaging)	380
breast procedures	528
cardiac procedures	25
CT scan	1029
diagnostic imaging	65
eye procedures	12
hip imaging	31
MRI (magnetic resonance imaging)	211
musculoskeletal imaging	234
neck imaging	41
nuclear scan	39
pelvic imaging	353
preventive care	409
spinal procedures	285
stress testing	25
thoracic (chest) imaging	1505
ultrasound (sonogram)	600
vascular procedures	316
women's imaging	528
X-rays	2128

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Christian Johannsen, MD.

**Gender**
Male	913
Female	1567

**Ethnicity**
Non-Hispanic White	2423
Black	0
Hispanic	22
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	903
From 75 to 84	772
85 and over	487
Less than 65	318

Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD in 2016

Hypertension	72
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	32
Depression	29
Chronic Kidney Disease	32
Asthma	27
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	17
Chronic Obstructive Pulmonary Disease	25
Diabetes	29
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Christian Johannsen, MD treated as a diagnostic radiologist in Fremont, NE during 2017 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Mark Christian Johannsen, MD for Medicare patients.

abdominal imaging	609
brain imaging (neuroimaging)	443
breast procedures	534
cardiac procedures	36
CT scan	1187
diagnostic imaging	55
eye procedures	19
gastrointestinal procedures	11
hip imaging	36
MRI (magnetic resonance imaging)	213
musculoskeletal imaging	251
neck imaging	45
nuclear scan	49
pelvic imaging	438
preventive care	446
spinal procedures	268
stress testing	36
thoracic (chest) imaging	1609
ultrasound (sonogram)	561
vascular procedures	276
women's imaging	534
X-rays	2217

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Christian Johannsen, MD.

**Gender**
Male	926
Female	1601

**Ethnicity**
Non-Hispanic White	2443
Black	0
Hispanic	21
Asian	0
Other	42
Native American	0

**Age**
From 65 to 74	949
From 75 to 84	751
85 and over	523
Less than 65	304

Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD in 2017

Hypertension	73
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	31
Depression	29
Chronic Kidney Disease	33
Asthma	6
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	18
Chronic Obstructive Pulmonary Disease	24
Diabetes	31
Dementia	20
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Christian Johannsen, MD treated as a diagnostic radiologist in Fremont, NE during 2018 were CT scan, X-rays, ultrasound (sonogram) and women's imaging.

Volume of procedures performed by Dr. Mark Christian Johannsen, MD for Medicare patients.

abdominal imaging	435
brain imaging (neuroimaging)	281
breast procedures	537
cardiac procedures	28
CT scan	843
diagnostic imaging	47
hip imaging	32
MRI (magnetic resonance imaging)	224
musculoskeletal imaging	256
neck imaging	57
nuclear scan	43
pelvic imaging	300
preventive care	486
spinal procedures	200
stress testing	28
thoracic (chest) imaging	305
ultrasound (sonogram)	561
vascular procedures	260
women's imaging	537
X-rays	797

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Christian Johannsen, MD.

**Gender**
Male	803
Female	1518

**Ethnicity**
Non-Hispanic White	2254
Black	0
Hispanic	23
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	896
From 75 to 84	728
85 and over	435
Less than 65	262

Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD in 2018

Hypertension	74
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	29
Depression	30
Chronic Kidney Disease	31
Asthma	6
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	16
Chronic Obstructive Pulmonary Disease	26
Diabetes	28
Dementia	20
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Christian Johannsen, MD treated as a diagnostic radiologist in Fremont, NE during 2019 were X-rays, CT scan, women's imaging and breast procedures.

Volume of procedures performed by Dr. Mark Christian Johannsen, MD for Medicare patients.

abdominal imaging	364
brain imaging (neuroimaging)	238
breast procedures	544
cardiac procedures	22
CT scan	732
diagnostic imaging	49
eye procedures	11
hip imaging	25
MRI (magnetic resonance imaging)	163
musculoskeletal imaging	209
neck imaging	44
nuclear scan	22
pelvic imaging	258
preventive care	491
spinal procedures	217
stress testing	22
thoracic (chest) imaging	235
ultrasound (sonogram)	445
vascular procedures	203
women's imaging	544
X-rays	791

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Christian Johannsen, MD.

**Gender**
Male	714
Female	1368

**Ethnicity**
Non-Hispanic White	2019
Black	0
Hispanic	13
Asian	0
Other	39
Native American	0

**Age**
From 65 to 74	858
From 75 to 84	657
85 and over	391
Less than 65	176

Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD in 2019

Hypertension	75
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	29
Depression	27
Chronic Kidney Disease	32
Asthma	6
Osteoperosis	14
Atrial Fibrilation	18
Heart Failure	17
Chronic Obstructive Pulmonary Disease	24
Diabetes	27
Dementia	22
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2019

Volume of procedures performed by Dr. Mark Christian Johannsen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark Christian Johannsen, MD treated as a diagnostic radiologist in Fremont, NE were X-rays, thoracic (chest) imaging, CT scan and ultrasound (sonogram).

abdominal imaging	527
brain imaging (neuroimaging)	377
breast procedures	545
cardiac procedures	37
CT scan	947
diagnostic imaging	49
eye procedures	13
gastrointestinal procedures	11
hip imaging	79
MRI (magnetic resonance imaging)	236
musculoskeletal imaging	287
neck imaging	49
nuclear scan	60
pelvic imaging	342
preventive care	472
spinal procedures	266
stress testing	37
thoracic (chest) imaging	1215
ultrasound (sonogram)	565
vascular procedures	296
women's imaging	545
X-rays	1941

Average Medicare Patient Data From 2012 - 2019

Information about Medicare patients treated by Dr. Mark Christian Johannsen, MD.

**Gender**
Female	1569
Male	889

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	2397
Native American / Alaskan Native	0
Hispanic	19
Other	26

**Age**
85 and over	474
75 to 84	780
Less than 65	305
65 to 74	898

Average of Total of Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD From 2012 - 2019

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

Hypertension	64
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	26
Depression	24
Chronic Kidney Disease	25
Asthma	9
Osteoporosis	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	21
Diabetes	25
Atrial Fibrillation	15
Dementia	14
Cancer	12

Education & Training

He has a state license in Nebraska.

Licensed In: Nebraska

Ratings & Reviews

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Biography

Dr. Mark Johannsen is a diagnostic radiology specialist in Fremont, NE. Dr. Johannsen has obtained a license to practice in Nebraska.

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Dr. Mark Christian Johannsen, 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. Mark Christian Johannsen, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD in 2019

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2019

Average Medicare Patient Data From 2012 - 2019

Average of Total of Conditions of Medicare patients treated by Dr. Mark Christian Johannsen, MD From 2012 - 2019

Education & Training

Ratings & Reviews

Biography

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