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Dr. Mark Johnson, MD

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Specializes in: Nuclear Radiology and Diagnostic Radiology

385 Main Street South
Southbury, CT 06488

(203) 264-7999

Dr. Mark Johnson, MD is a nuclear radiologist in Southbury, CT specializing in nuclear radiology and diagnostic radiology.

Office Locations

385 Main Street South
Southbury, CT 06488

(203) 264-7999

(203) 264-7477

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark Johnson, MD treated as a nuclear radiologist in Southbury, CT during 2012 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and CT scan.

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

abdominal imaging	521
brain imaging (neuroimaging)	331
breast procedures	407
CT scan	749
diagnostic imaging	56
gastrointestinal procedures	21
hip imaging	63
musculoskeletal imaging	227
neck imaging	94
pelvic imaging	391
preventive care	274
spinal procedures	110
thoracic (chest) imaging	1161
ultrasound (sonogram)	769
vascular procedures	356
vertebral fracture assessment (VFA)	84
women's imaging	407
X-rays	1760

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Johnson, MD treated as a nuclear radiologist in Southbury, CT during 2013 were X-rays, thoracic (chest) imaging, CT scan and ultrasound (sonogram).

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

abdominal imaging	365
brain imaging (neuroimaging)	264
breast procedures	302
CT scan	571
diagnostic imaging	32
gastrointestinal procedures	13
hip imaging	32
musculoskeletal imaging	172
neck imaging	66
pelvic imaging	253
preventive care	207
spinal procedures	62
thoracic (chest) imaging	778
ultrasound (sonogram)	534
vascular procedures	227
vertebral fracture assessment (VFA)	93
women's imaging	302
X-rays	1158

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Johnson, MD.

**Gender**
Male	697
Female	1248

**Ethnicity**
Non-Hispanic White	1614
Black	132
Hispanic	161
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	570
From 75 to 84	591
85 and over	439
Less than 65	345

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

Hypertension	75
High Cholesterol	68
Stroke	11
Ischemic Heart Disease	42
Depression	32
Chronic Kidney Disease	33
Asthma	11
Osteoperosis	11
Atrial Fibrilation	20
Heart Failure	33
Chronic Obstructive Pulmonary Disease	24
Diabetes	39
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Johnson, MD treated as a nuclear radiologist in Southbury, CT during 2014 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and CT scan.

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

abdominal imaging	550
brain imaging (neuroimaging)	236
breast procedures	299
CT scan	661
diagnostic imaging	22
gastrointestinal procedures	32
hip imaging	38
musculoskeletal imaging	191
neck imaging	91
pelvic imaging	405
preventive care	212
spinal procedures	55
thoracic (chest) imaging	791
ultrasound (sonogram)	757
vascular procedures	343
vertebral fracture assessment (VFA)	92
women's imaging	311
X-rays	1165

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Johnson, MD.

**Gender**
Male	761
Female	1376

**Ethnicity**
Non-Hispanic White	1780
Black	127
Hispanic	182
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	671
From 75 to 84	657
85 and over	438
Less than 65	371

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

Hypertension	75
High Cholesterol	66
Stroke	10
Ischemic Heart Disease	40
Depression	31
Chronic Kidney Disease	35
Asthma	12
Osteoperosis	11
Atrial Fibrilation	20
Heart Failure	31
Chronic Obstructive Pulmonary Disease	24
Diabetes	39
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Johnson, MD treated as a nuclear radiologist in Southbury, CT during 2015 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and CT scan.

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

abdominal imaging	443
brain imaging (neuroimaging)	260
breast procedures	354
CT scan	623
diagnostic imaging	14
gastrointestinal procedures	13
hip imaging	48
musculoskeletal imaging	164
neck imaging	61
pelvic imaging	327
preventive care	192
spinal procedures	62
thoracic (chest) imaging	715
ultrasound (sonogram)	666
vascular procedures	248
vertebral fracture assessment (VFA)	73
women's imaging	354
X-rays	1065

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Johnson, MD.

**Gender**
Male	1342
Female	2330

**Ethnicity**
Non-Hispanic White	2986
Black	240
Hispanic	370
Asian	28
Other	48
Native American	0

**Age**
From 65 to 74	1226
From 75 to 84	1096
85 and over	712
Less than 65	638

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

Hypertension	75
High Cholesterol	66
Stroke	10
Ischemic Heart Disease	40
Depression	30
Chronic Kidney Disease	37
Asthma	21
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	31
Chronic Obstructive Pulmonary Disease	24
Diabetes	34
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Johnson, MD treated as a nuclear radiologist in Southbury, CT during 2016 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and CT scan.

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

abdominal imaging	363
brain imaging (neuroimaging)	178
breast procedures	342
CT scan	499
diagnostic imaging	20
gastrointestinal procedures	15
musculoskeletal imaging	104
neck imaging	54
pelvic imaging	231
preventive care	202
spinal procedures	52
thoracic (chest) imaging	618
ultrasound (sonogram)	505
vascular procedures	192
vertebral fracture assessment (VFA)	69
women's imaging	342
X-rays	882

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Johnson, MD.

**Gender**
Male	560
Female	1084

**Ethnicity**
Non-Hispanic White	1380
Black	96
Hispanic	115
Asian	20
Other	33
Native American	0

**Age**
From 65 to 74	584
From 75 to 84	513
85 and over	304
Less than 65	243

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

Hypertension	75
High Cholesterol	65
Stroke	11
Ischemic Heart Disease	39
Depression	28
Chronic Kidney Disease	35
Asthma	28
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	30
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Johnson, MD treated as a nuclear radiologist in Southbury, CT during 2017 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and CT scan.

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

abdominal imaging	536
brain imaging (neuroimaging)	290
breast procedures	474
CT scan	761
diagnostic imaging	36
gastrointestinal procedures	32
musculoskeletal imaging	177
neck imaging	87
pelvic imaging	355
preventive care	296
spinal procedures	75
thoracic (chest) imaging	893
ultrasound (sonogram)	766
vascular procedures	273
vertebral fracture assessment (VFA)	50
women's imaging	474
X-rays	1301

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Johnson, MD.

**Gender**
Male	827
Female	1474

**Ethnicity**
Non-Hispanic White	1879
Black	159
Hispanic	169
Asian	0
Other	58
Native American	0

**Age**
From 65 to 74	825
From 75 to 84	732
85 and over	378
Less than 65	366

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

Hypertension	75
High Cholesterol	58
Stroke	10
Ischemic Heart Disease	40
Depression	32
Chronic Kidney Disease	37
Asthma	13
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	30
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Johnson, MD treated as a nuclear radiologist in Southbury, CT during 2018 were CT scan, ultrasound (sonogram), X-rays and abdominal imaging.

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

abdominal imaging	383
brain imaging (neuroimaging)	244
breast procedures	358
CT scan	596
diagnostic imaging	14
gastrointestinal procedures	15
musculoskeletal imaging	124
neck imaging	57
pelvic imaging	264
preventive care	241
spinal procedures	36
thoracic (chest) imaging	161
ultrasound (sonogram)	588
vascular procedures	229
women's imaging	358
X-rays	389

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Johnson, MD.

**Gender**
Male	670
Female	1215

**Ethnicity**
Non-Hispanic White	1531
Black	115
Hispanic	170
Asian	0
Other	41
Native American	0

**Age**
From 65 to 74	693
From 75 to 84	558
85 and over	325
Less than 65	309

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

Hypertension	75
High Cholesterol	69
Stroke	12
Ischemic Heart Disease	44
Depression	32
Chronic Kidney Disease	40
Asthma	13
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	31
Chronic Obstructive Pulmonary Disease	24
Diabetes	38
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Johnson, MD treated as a nuclear radiologist in Southbury, CT during 2019 were CT scan, brain imaging (neuroimaging), abdominal imaging and pelvic imaging.

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

abdominal imaging	81
brain imaging (neuroimaging)	88
breast procedures	28
CT scan	174
musculoskeletal imaging	28
pelvic imaging	59
preventive care	28
spinal procedures	16
thoracic (chest) imaging	11
ultrasound (sonogram)	34
vascular procedures	12
women's imaging	28
X-rays	56

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Johnson, MD.

**Gender**
Male	212
Female	296

**Ethnicity**
Non-Hispanic White	369
Black	50
Hispanic	72
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	161
85 and over	113
Less than 65	103

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

Hypertension	0
High Cholesterol	0
Stroke	14
Ischemic Heart Disease	53
Depression	38
Chronic Kidney Disease	49
Asthma	15
Osteoperosis	11
Atrial Fibrilation	20
Heart Failure	41
Chronic Obstructive Pulmonary Disease	28
Diabetes	46
Dementia	29
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2019

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

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

abdominal imaging	405
brain imaging (neuroimaging)	236
breast procedures	320
CT scan	579
diagnostic imaging	27
gastrointestinal procedures	20
hip imaging	45
musculoskeletal imaging	148
neck imaging	72
pelvic imaging	285
preventive care	206
spinal procedures	58
thoracic (chest) imaging	641
ultrasound (sonogram)	577
vascular procedures	235
vertebral fracture assessment (VFA)	76
women's imaging	322
X-rays	972

Average Medicare Patient Data From 2012 - 2019

Information about Medicare patients treated by Dr. Mark Johnson, MD.

**Gender**
Male	633
Female	1127

**Ethnicity**
Black / African American	114
Asian / Pacific Islander	6
Non-Hispanic White	1442
Native American / Alaskan Native	0
Hispanic	154
Other	28

**Age**
75 to 84	538
85 and over	338
Less than 65	296
65 to 74	587

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

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

Hypertension	56
High Cholesterol	49
Stroke	9
Ischemic Heart Disease	37
Depression	27
Chronic Kidney Disease	33
Asthma	14
Osteoporosis	10
Heart Failure	28
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Atrial Fibrillation	17
Cancer	12
Dementia	17

Education & Training

He has a state license in Connecticut.

Licensed In: Connecticut

Ratings & Reviews

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Biography

Dr. Mark Johnson's areas of specialization are nuclear radiology and diagnostic radiology; he sees patients in Southbury, CT. Dr. Johnson obtained a license to practice in Connecticut.

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Dr. Mark Johnson, 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 Johnson, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

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

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

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

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

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

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

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

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

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

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Johnson, 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 Johnson, MD From 2012 - 2019

Education & Training

Ratings & Reviews

Biography

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