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Home > CA Providers > Cardiologists

Dr. Dennis E. Johnson, MD

(Dr. Dennis Elwood Johnson, M.D.)

(2 Ratings)

Specializes in: Cardiology (Heart Disease)

Medical College of Wisconsin (1982)

1610 S Court Street
Visalia, CA 93277

(559) 625-8898

Dr. Dennis E. Johnson, MD is a cardiologist in Visalia, CA specializing in cardiology (heart disease). He graduated from Medical College of Wisconsin in 1982 and has 44 years of experience. Dr. Dennis E. Johnson, MD is affiliated with KAWEAH DELTA HEALTH CARE DISTRICT.

Office Locations

1610 S Court Street
Visalia, CA 93277

(559) 625-8898

(559) 625-8010

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Noteworthy Medicare Patient Procedures Performed by Dr. Dennis E. Johnson, MD in 2023

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

Top 5%

By Volume:

cardiac procedures

Doppler echocardiography

echocardiogram

By Affordability:

cardiac imaging

carotid duplex ultrasound

carotid ultrasound

color Doppler echocardiography

Doppler echocardiography

duplex ultrasound

echocardiogram

spectral Doppler echocardiography

transthoracic echocardiography

vascular studies

vascular ultrasound

In 2023, among providers in related specialties within California, Dr. Dennis E. Johnson, MD performed more cardiac procedures, Doppler echocardiography, and echocardiogram (echo) procedures for Medicare patients than 95% of them and he also had a list price for cardiac imaging, carotid duplex ultrasound, carotid ultrasound, color Doppler echocardiography, Doppler echocardiography, duplex ultrasound, echocardiogram (echo), spectral Doppler echocardiography, transthoracic echocardiography (TTE), vascular studies, and vascular ultrasound that was lower than the list prices billed to Medicare by 95% 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.

Top 10%

By Volume:

ultrasound

In 2023, Dr. Dennis E. Johnson, MD performed more ultrasound (sonogram) procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Volume:

myocardial perfusion SPECT

nuclear scan

By Affordability:

hospital care

inpatient care

inpatient hospital care

myocardial perfusion SPECT

nuclear scan

nuclear stress test

SPECT scan

In 2012, among providers in related specialties within California, Dr. Dennis E. Johnson, MD performed more myocardial perfusion SPECT, and nuclear scan procedures for Medicare patients than 75% of them and he also had a list price for hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), myocardial perfusion SPECT, nuclear scan, nuclear stress test (myocardial perfusion imaging), and SPECT scan 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. Dennis E. Johnson, MD treated as a cardiologist in Visalia, CA during 2012 were lab tests, cardiac procedures, ultrasound (sonogram) and preventive care.

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

ambulatory monitoring	79
cardiac procedures	1333
catheterization	75
diabetes management	13
diagnostic procedures	75
doctor visit	2747
hospital care	290
implant surgery	16
inpatient care	290
lab tests	1356
minimally invasive procedures	91
nuclear scan	183
preventive care	529
stress testing	365
ultrasound (sonogram)	1141
vaccines	173
vascular procedures	440

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Dennis E. Johnson, MD treated as a cardiologist in Visalia, CA during 2013 were cardiac procedures, ultrasound (sonogram), lab tests and preventive care.

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

ambulatory monitoring	86
cardiac procedures	1345
catheterization	79
diagnostic procedures	79
doctor visit	2817
hospital care	173
implant surgery	11
inpatient care	173
lab tests	911
minimally invasive procedures	90
nuclear scan	151
preventive care	421
stress testing	301
ultrasound (sonogram)	1117
vaccines	127
vascular procedures	328

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis E. Johnson, MD.

**Gender**
Male	872
Female	1060

**Ethnicity**
Non-Hispanic White	1368
Black	25
Hispanic	461
Asian	46
Other	16
Native American	16

**Age**
From 65 to 74	670
From 75 to 84	647
85 and over	360
Less than 65	255

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

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	66
Depression	25
Chronic Kidney Disease	35
Asthma	12
Osteoperosis	10
Atrial Fibrilation	22
Heart Failure	47
Chronic Obstructive Pulmonary Disease	23
Diabetes	44
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Dennis E. Johnson, MD treated as a cardiologist in Visalia, CA during 2014 were cardiac procedures, ultrasound (sonogram), stress testing and inpatient care.

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

ambulatory monitoring	52
cardiac procedures	1195
catheterization	31
diagnostic procedures	31
doctor visit	2364
hospital care	339
inpatient care	339
lab tests	212
minimally invasive procedures	31
nuclear scan	183
preventive care	149
stress testing	364
ultrasound (sonogram)	1015
vaccines	97
vascular procedures	316

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis E. Johnson, MD.

**Gender**
Male	526
Female	627

**Ethnicity**
Non-Hispanic White	884
Black	14
Hispanic	209
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	439
From 75 to 84	413
85 and over	209
Less than 65	92

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

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	64
Depression	23
Chronic Kidney Disease	31
Asthma	11
Osteoperosis	11
Atrial Fibrilation	25
Heart Failure	43
Chronic Obstructive Pulmonary Disease	17
Diabetes	39
Dementia	16
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Dennis E. Johnson, MD treated as a cardiologist in Visalia, CA during 2015 were cardiac procedures, ultrasound (sonogram), vascular procedures and inpatient care.

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

ambulatory monitoring	15
cardiac procedures	1100
catheterization	25
diagnostic procedures	25
doctor visit	2229
hospital care	376
inpatient care	376
minimally invasive procedures	25
nuclear scan	180
preventive care	49
stress testing	340
ultrasound (sonogram)	1073
vaccines	49
vascular procedures	397

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis E. Johnson, MD.

**Gender**
Male	938
Female	1124

**Ethnicity**
Non-Hispanic White	1644
Black	32
Hispanic	326
Asian	38
Other	0
Native American	0

**Age**
From 65 to 74	780
From 75 to 84	744
85 and over	410
Less than 65	128

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

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	62
Depression	22
Chronic Kidney Disease	32
Asthma	15
Osteoperosis	11
Atrial Fibrilation	22
Heart Failure	39
Chronic Obstructive Pulmonary Disease	19
Diabetes	36
Dementia	15
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Dennis E. Johnson, MD treated as a cardiologist in Visalia, CA during 2016 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

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

cardiac procedures	1093
catheterization	43
diagnostic procedures	43
doctor visit	2069
hospital care	389
inpatient care	389
minimally invasive procedures	43
nuclear scan	158
stress testing	298
ultrasound (sonogram)	1079
vascular procedures	388

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis E. Johnson, MD.

**Gender**
Male	552
Female	693

**Ethnicity**
Non-Hispanic White	946
Black	17
Hispanic	243
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	483
From 75 to 84	440
85 and over	226
Less than 65	96

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

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	62
Depression	22
Chronic Kidney Disease	40
Asthma	25
Osteoperosis	11
Atrial Fibrilation	22
Heart Failure	39
Chronic Obstructive Pulmonary Disease	21
Diabetes	44
Dementia	16
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Dennis E. Johnson, MD treated as a cardiologist in Visalia, CA during 2017 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

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

cardiac procedures	1200
catheterization	49
diagnostic procedures	49
doctor visit	2161
hospital care	646
inpatient care	646
minimally invasive procedures	49
nuclear scan	172
stress testing	321
ultrasound (sonogram)	1040
vascular procedures	275

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis E. Johnson, MD.

**Gender**
Male	557
Female	680

**Ethnicity**
Non-Hispanic White	943
Black	0
Hispanic	237
Asian	21
Other	15
Native American	0

**Age**
From 65 to 74	470
From 75 to 84	427
85 and over	226
Less than 65	114

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

Hypertension	75
High Cholesterol	55
Stroke	11
Ischemic Heart Disease	61
Depression	26
Chronic Kidney Disease	44
Asthma	11
Osteoperosis	9
Atrial Fibrilation	23
Heart Failure	37
Chronic Obstructive Pulmonary Disease	19
Diabetes	42
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Dennis E. Johnson, MD treated as a cardiologist in Visalia, CA during 2018 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

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

cardiac procedures	921
catheterization	30
diagnostic procedures	30
doctor visit	1450
hospital care	337
inpatient care	337
minimally invasive procedures	30
nuclear scan	116
stress testing	226
ultrasound (sonogram)	819
vascular procedures	196

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis E. Johnson, MD.

**Gender**
Male	516
Female	638

**Ethnicity**
Non-Hispanic White	862
Black	16
Hispanic	226
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	434
From 75 to 84	407
85 and over	226
Less than 65	87

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

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	61
Depression	24
Chronic Kidney Disease	47
Asthma	12
Osteoperosis	10
Atrial Fibrilation	23
Heart Failure	41
Chronic Obstructive Pulmonary Disease	19
Diabetes	41
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Dennis E. Johnson, MD treated as a cardiologist in Visalia, CA during 2019 were cardiac procedures, ultrasound (sonogram), vascular procedures and stress testing.

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

cardiac procedures	1069
catheterization	67
diagnostic procedures	67
doctor visit	2031
hospital care	111
inpatient care	111
minimally invasive procedures	67
nuclear scan	171
stress testing	171
ultrasound (sonogram)	949
vascular procedures	185

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis E. Johnson, MD.

**Gender**
Male	720
Female	841

**Ethnicity**
Non-Hispanic White	1107
Black	17
Hispanic	373
Asian	39
Other	0
Native American	0

**Age**
From 65 to 74	617
From 75 to 84	539
85 and over	274
Less than 65	131

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

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	61
Depression	0
Chronic Kidney Disease	49
Asthma	11
Osteoperosis	8
Atrial Fibrilation	20
Heart Failure	39
Chronic Obstructive Pulmonary Disease	21
Diabetes	41
Dementia	17
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Dennis E. Johnson, MD treated as a cardiologist in Visalia, CA during 2020 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

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

cardiac procedures	861
catheterization	24
diagnostic procedures	24
doctor visit	1779
minimally invasive procedures	36
nuclear scan	105
stress testing	105
ultrasound (sonogram)	775
vascular procedures	67

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis E. Johnson, MD.

**Gender**
Male	736
Female	806

**Ethnicity**
Non-Hispanic White	1069
Black	25
Hispanic	372
Asian	52
Other	13
Native American	11

**Age**
From 65 to 74	623
From 75 to 84	531
85 and over	254
Less than 65	134

Conditions of Medicare patients treated by Dr. Dennis E. Johnson, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	61
Depression	28
Chronic Kidney Disease	50
Asthma	13
Osteoperosis	10
Atrial Fibrilation	21
Heart Failure	38
Chronic Obstructive Pulmonary Disease	20
Diabetes	43
Dementia	16
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Dennis E. Johnson, MD treated as a cardiologist in Visalia, CA during 2021 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

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

cardiac procedures	944
catheterization	33
diagnostic procedures	33
doctor visit	1977
hospital care	27
inpatient care	27
minimally invasive procedures	45
nuclear scan	112
stress testing	112
ultrasound (sonogram)	861
vascular procedures	95

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis E. Johnson, MD.

**Gender**
Male	748
Female	852

**Ethnicity**
Non-Hispanic White	1103
Black	25
Hispanic	401
Asian	46
Other	0
Native American	0

**Age**
From 65 to 74	632
From 75 to 84	568
85 and over	255
Less than 65	145

Conditions of Medicare patients treated by Dr. Dennis E. Johnson, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	60
Depression	26
Chronic Kidney Disease	49
Asthma	13
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	37
Chronic Obstructive Pulmonary Disease	17
Diabetes	42
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Dennis E. Johnson, MD treated as a cardiologist in Visalia, CA during 2022 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

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

cardiac procedures	953
catheterization	12
diagnostic procedures	12
doctor visit	1917
hospital care	64
inpatient care	64
minimally invasive procedures	12
nuclear scan	112
stress testing	112
ultrasound (sonogram)	848
vascular procedures	31

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis E. Johnson, MD.

**Gender**
Male	683
Female	804

**Ethnicity**
Non-Hispanic White	1058
Black	25
Hispanic	339
Asian	48
Other	0
Native American	0

**Age**
From 65 to 74	571
From 75 to 84	555
85 and over	255
Less than 65	106

Conditions of Medicare patients treated by Dr. Dennis E. Johnson, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	50
Depression	26
Chronic Kidney Disease	32
Asthma	15
Osteoperosis	15
Atrial Fibrilation	29
Heart Failure	34
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	13
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

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

The highest averages for the top procedures that Dr. Dennis E. Johnson, MD treated as a cardiologist in Visalia, CA were cardiac procedures, ultrasound (sonogram), lab tests and preventive care.

ambulatory monitoring	58
cardiac procedures	1092
catheterization	42
diabetes management	13
diagnostic procedures	42
doctor visit	2140
hospital care	275
implant surgery	13
inpatient care	275
lab tests	826
minimally invasive procedures	47
nuclear scan	149
preventive care	287
stress testing	246
ultrasound (sonogram)	974
vaccines	111
vascular procedures	247

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Dennis E. Johnson, MD.

**Gender**
Male	622
Female	738

**Ethnicity**
Black / African American	17
Asian / Pacific Islander	33
Non-Hispanic White	998
Hispanic	289
Native American / Alaskan Native	2
Other	4

**Age**
75 to 84	479
85 and over	245
Less than 65	117
65 to 74	519

Average of Total of Conditions of Medicare patients treated by Dr. Dennis E. Johnson, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	55
Depression	20
Chronic Kidney Disease	37
Asthma	12
Osteoporosis	9
Heart Failure	35
Chronic Obstructive Pulmonary Disease	17
Diabetes	37
Atrial Fibrillation	20
Cancer	10
Dementia	14

Education & Training

Dr. Dennis E. Johnson, MD graduated from Medical College of Wisconsin in 1982. He has a state license in California.

Medical School: Medical College of Wisconsin (1982)

Licensed In: California

Affiliations & Hospitals

Dr. Dennis E. Johnson, MD is associated with these hospitals and organizations:

KAWEAH DELTA HEALTH CARE DISTRICT

Ratings & Reviews

Dr. Dennis E. Johnson, MD has a good overall rating with an average of 3.0 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. Dennis E. Johnson, MD from all over the web to help you find the right in Visalia, CA.

Overall Rating

(2 Ratings)

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General Payments

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

**Payments by Company**
Amgen Inc.	$773 Repatha $709	Corlanor $54	$10
CryoLife, Inc.	$662 On-X $662
AstraZeneca Pharmaceuticals LP	$269 CRESTOR $89	BYDUREON WEEKLY $77	BRILINTA $57	SYMBICORT $46
Edwards Lifesciences Corporation	$227 Edwards SAPIEN 3 Transcatheter Heart Valve $108	$119
Regeneron Healthcare Solutions, Inc.	$193 PRALUENT (alirocumab) Injection $193
Other	$1,647 ENTRESTO $138	CRM $127	SAVAYSA $119	Definity $100	LIVALO $96	Other $1,067

**Types of Payments**
Food and Beverage	$3,063
Travel and Lodging	$651
Education	$36
Gift	$21

Biography

Dr. Dennis Johnson specializes in general practice and cardiology (heart disease). He attended medical school at Medical College of Wisconsin.

Select Year:

Dr. Dennis E. Johnson, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Dennis E. Johnson, MD in 2023

By Volume:

By Affordability:

By Volume:

By Volume:

By Affordability:

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. Dennis E. Johnson, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

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

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

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

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

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

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

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

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

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

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

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

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis E. Johnson, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis E. Johnson, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis E. Johnson, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Dennis E. Johnson, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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