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Dr. John S. Williamson, MD

(15 Ratings)

Specializes in: Adult Cardiology

1155 Mill Street
Reno, NV 89502

(775) 982-4270

Dr. John S. Williamson, MD is a cardiologist in Reno, NV specializing in adult cardiology.

Office Locations

1155 Mill Street
Reno, NV 89502

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John S. Williamson, MD treated as a cardiologist in Reno, NV during 2012 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John S. Williamson, MD for Medicare patients.

ambulatory monitoring	23
cardiac procedures	529
doctor visit	1478
hospital care	342
inpatient care	342
nuclear scan	86
stress testing	152
ultrasound (sonogram)	436
vascular procedures	46

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John S. Williamson, MD treated as a cardiologist in Reno, NV during 2013 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John S. Williamson, MD for Medicare patients.

abdominal imaging	11
ambulatory monitoring	14
cardiac procedures	843
doctor visit	1327
hospital care	666
inpatient care	666
nuclear scan	121
pelvic imaging	11
stress testing	154
ultrasound (sonogram)	780
vascular procedures	72

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Williamson, MD.

**Gender**
Male	1134
Female	1113

**Ethnicity**
Non-Hispanic White	2010
Black	31
Hispanic	106
Asian	37
Other	16
Native American	47

**Age**
From 65 to 74	914
From 75 to 84	768
85 and over	343
Less than 65	222

Conditions of Medicare patients treated by Dr. John S. Williamson, MD in 2013

Hypertension	75
High Cholesterol	70
Stroke	9
Ischemic Heart Disease	59
Depression	20
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	7
Atrial Fibrilation	28
Heart Failure	38
Chronic Obstructive Pulmonary Disease	27
Diabetes	33
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John S. Williamson, MD treated as a cardiologist in Reno, NV during 2014 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John S. Williamson, MD for Medicare patients.

ambulatory monitoring	30
cardiac procedures	629
doctor visit	1534
hospital care	270
inpatient care	270
nuclear scan	89
stress testing	124
ultrasound (sonogram)	543
vascular procedures	44

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Williamson, MD.

**Gender**
Male	921
Female	826

**Ethnicity**
Non-Hispanic White	1563
Black	29
Hispanic	71
Asian	22
Other	21
Native American	41

**Age**
From 65 to 74	705
From 75 to 84	602
85 and over	282
Less than 65	158

Conditions of Medicare patients treated by Dr. John S. Williamson, MD in 2014

Hypertension	75
High Cholesterol	70
Stroke	9
Ischemic Heart Disease	59
Depression	19
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	7
Atrial Fibrilation	29
Heart Failure	39
Chronic Obstructive Pulmonary Disease	27
Diabetes	32
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John S. Williamson, MD treated as a cardiologist in Reno, NV during 2015 were cardiac procedures, ultrasound (sonogram), ambulatory monitoring and stress testing.

Volume of procedures performed by Dr. John S. Williamson, MD for Medicare patients.

ambulatory monitoring	16
cardiac procedures	317
doctor visit	1728
hospital care	12
inpatient care	12
nuclear scan	14
stress testing	14
ultrasound (sonogram)	301
vascular procedures	14

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Williamson, MD.

**Gender**
Male	1052
Female	1002

**Ethnicity**
Non-Hispanic White	1922
Black	0
Hispanic	52
Asian	0
Other	0
Native American	44

**Age**
From 65 to 74	748
From 75 to 84	814
85 and over	374
Less than 65	118

Conditions of Medicare patients treated by Dr. John S. Williamson, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	60
Depression	16
Chronic Kidney Disease	33
Asthma	15
Osteoperosis	8
Atrial Fibrilation	27
Heart Failure	33
Chronic Obstructive Pulmonary Disease	22
Diabetes	27
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John S. Williamson, MD treated as a cardiologist in Reno, NV during 2016 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

Volume of procedures performed by Dr. John S. Williamson, MD for Medicare patients.

ambulatory monitoring	41
cardiac procedures	365
doctor visit	1813
hospital care	29
inpatient care	29
nuclear scan	71
stress testing	71
ultrasound (sonogram)	253

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Williamson, MD.

**Gender**
Male	535
Female	518

**Ethnicity**
Non-Hispanic White	979
Black	0
Hispanic	29
Asian	0
Other	12
Native American	17

**Age**
From 65 to 74	413
From 75 to 84	403
85 and over	183
Less than 65	54

Conditions of Medicare patients treated by Dr. John S. Williamson, MD in 2016

Hypertension	75
High Cholesterol	74
Stroke	6
Ischemic Heart Disease	58
Depression	16
Chronic Kidney Disease	34
Asthma	20
Osteoperosis	7
Atrial Fibrilation	26
Heart Failure	33
Chronic Obstructive Pulmonary Disease	19
Diabetes	26
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John S. Williamson, MD treated as a cardiologist in Reno, NV during 2017 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John S. Williamson, MD for Medicare patients.

ambulatory monitoring	38
cardiac procedures	278
doctor visit	1851
hospital care	43
inpatient care	43
ultrasound (sonogram)	240

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Williamson, MD.

**Gender**
Male	516
Female	487

**Ethnicity**
Non-Hispanic White	923
Black	0
Hispanic	26
Asian	13
Other	0
Native American	22

**Age**
From 65 to 74	374
From 75 to 84	404
85 and over	174
Less than 65	51

Conditions of Medicare patients treated by Dr. John S. Williamson, MD in 2017

Hypertension	75
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	58
Depression	16
Chronic Kidney Disease	36
Asthma	6
Osteoperosis	7
Atrial Fibrilation	30
Heart Failure	32
Chronic Obstructive Pulmonary Disease	20
Diabetes	28
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John S. Williamson, MD treated as a cardiologist in Reno, NV during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. John S. Williamson, MD for Medicare patients.

hospital care	77
inpatient care	77

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Williamson, MD.

**Gender**
Male	20
Female	11

**Age**
From 65 to 74	0
From 75 to 84	12
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John S. Williamson, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	0
Chronic Kidney Disease	65
Asthma	0
Osteoperosis	0
Atrial Fibrilation	55
Heart Failure	75
Chronic Obstructive Pulmonary Disease	61
Diabetes	42
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John S. Williamson, MD treated as a cardiologist in Reno, NV during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. John S. Williamson, MD for Medicare patients.

hospital care	161
inpatient care	161

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Williamson, MD.

**Gender**
Male	34
Female	26

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

**Age**
From 65 to 74	14
From 75 to 84	27
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John S. Williamson, MD in 2019

Hypertension	75
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	75
Depression	27
Chronic Kidney Disease	72
Asthma	0
Osteoperosis	0
Atrial Fibrilation	48
Heart Failure	70
Chronic Obstructive Pulmonary Disease	40
Diabetes	43
Dementia	30
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. John S. Williamson, MD in 2020

Hypertension	75
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2020

Volume of procedures performed by Dr. John S. Williamson, MD for Medicare patients.

The highest averages for the top procedures that Dr. John S. Williamson, MD treated as a cardiologist in Reno, NV were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

abdominal imaging	11
ambulatory monitoring	27
cardiac procedures	493
doctor visit	1621
hospital care	200
inpatient care	200
nuclear scan	76
pelvic imaging	11
stress testing	103
ultrasound (sonogram)	425
vascular procedures	44

Average Medicare Patient Data From 2012 - 2020

Information about Medicare patients treated by Dr. John S. Williamson, MD.

**Gender**
Male	468
Female	442

**Ethnicity**
Black / African American	6
Asian / Pacific Islander	8
Non-Hispanic White	827
Hispanic	31
Native American / Alaskan Native	19
Other	5

**Age**
75 to 84	336
85 and over	150
Less than 65	67
65 to 74	352

Average of Total of Conditions of Medicare patients treated by Dr. John S. Williamson, MD From 2012 - 2020

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

Hypertension	66
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	49
Depression	12
Chronic Kidney Disease	42
Asthma	6
Osteoporosis	4
Heart Failure	35
Chronic Obstructive Pulmonary Disease	24
Diabetes	25
Atrial Fibrillation	27
Cancer	6
Dementia	9

Education & Training

He has a state license in Nevada.

Licensed In: Nevada

Ratings & Reviews

Dr. John S. Williamson, MD has an exceptional overall rating with an average of 4.8 out of 5 stars based on 15 ratings. We collect ratings and reviews of Dr. John S. Williamson, MD from all over the web to help you find the right in Reno, NV.

4.8

Overall Rating

(15 Ratings)

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General Payments

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

**Payments by Company**
Boston Scientific Corporation	$148 RESONATE $132	INGEVITY MRI $16
Merck Sharp & Dohme Corporation	$100 GARDASIL $100
Janssen Pharmaceuticals, Inc	$52 XARELTO $52
Allergan Inc.	$18 BYSTOLIC $18
E.R. Squibb & Sons, L.L.C.	$14 ELIQUIS $14
Other	$13 VIAGRA $13

**Types of Payments**
Food and Beverage	$345

Biography

Dr. John Williamson, who practices in Reno, NV, is a medical specialist in adult cardiology. Dr. Williamson has obtained a license to practice in Nevada.