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Dr. James Leonard Comazzi, MD

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Specializes in: Cardiology (Heart Disease)

900 Greenley Road Suite 911
Sonora, CA 95370

(209) 532-0511

Dr. James Leonard Comazzi, MD is a cardiologist in Sonora, CA specializing in cardiology (heart disease).

Office Locations

900 Greenley Road Suite 911
Sonora, CA 95370

(209) 532-0511

(209) 532-6092

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In The News

“A Fresno County judge on Thursday denied a request by the Medical Board of California to restrict the medical license of accused fatal hit-and-run driver Dr. James Comazzi.”—"CA board loses bid to restrict medical license of doctor accused of fatal hit-and-run", Fresno Bee, January 2022

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. James Leonard Comazzi, MD treated as a cardiologist in Sonora, CA during 2012 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. James Leonard Comazzi, MD for Medicare patients.

cardiac procedures	1007
doctor visit	3140
hospital care	230
inpatient care	230
stress testing	337
ultrasound (sonogram)	670

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. James Leonard Comazzi, MD treated as a cardiologist in Sonora, CA during 2013 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. James Leonard Comazzi, MD for Medicare patients.

cardiac procedures	799
doctor visit	2574
hospital care	162
inpatient care	162
stress testing	264
ultrasound (sonogram)	535

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. James Leonard Comazzi, MD.

**Gender**
Male	921
Female	877

**Ethnicity**
Non-Hispanic White	1694
Black	0
Hispanic	55
Asian	0
Other	15
Native American	20

**Age**
From 65 to 74	607
From 75 to 84	640
85 and over	400
Less than 65	151

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2013

Hypertension	75
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	50
Depression	23
Chronic Kidney Disease	33
Asthma	10
Osteoperosis	9
Atrial Fibrilation	28
Heart Failure	39
Chronic Obstructive Pulmonary Disease	25
Diabetes	28
Dementia	12
Cancer	17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. James Leonard Comazzi, MD treated as a cardiologist in Sonora, CA during 2014 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. James Leonard Comazzi, MD for Medicare patients.

cardiac procedures	773
doctor visit	2132
hospital care	179
inpatient care	179
stress testing	235
ultrasound (sonogram)	538

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. James Leonard Comazzi, MD.

**Gender**
Male	904
Female	850

**Ethnicity**
Non-Hispanic White	1647
Black	0
Hispanic	64
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	584
From 75 to 84	651
85 and over	355
Less than 65	164

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2014

Hypertension	75
High Cholesterol	60
Stroke	8
Ischemic Heart Disease	49
Depression	23
Chronic Kidney Disease	30
Asthma	10
Osteoperosis	9
Atrial Fibrilation	29
Heart Failure	37
Chronic Obstructive Pulmonary Disease	23
Diabetes	29
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. James Leonard Comazzi, MD treated as a cardiologist in Sonora, CA during 2015 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. James Leonard Comazzi, MD for Medicare patients.

cardiac procedures	859
doctor visit	1471
hospital care	247
inpatient care	229
outpatient care	18
stress testing	264
ultrasound (sonogram)	595

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. James Leonard Comazzi, MD.

**Gender**
Male	1848
Female	1782

**Ethnicity**
Non-Hispanic White	3348
Black	0
Hispanic	172
Asian	0
Other	40
Native American	40

**Age**
From 65 to 74	1272
From 75 to 84	1272
85 and over	720
Less than 65	366

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2015

Hypertension	75
High Cholesterol	61
Stroke	10
Ischemic Heart Disease	47
Depression	27
Chronic Kidney Disease	30
Asthma	19
Osteoperosis	8
Atrial Fibrilation	27
Heart Failure	35
Chronic Obstructive Pulmonary Disease	27
Diabetes	30
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. James Leonard Comazzi, MD treated as a cardiologist in Sonora, CA during 2016 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. James Leonard Comazzi, MD for Medicare patients.

cardiac procedures	685
doctor visit	1422
hospital care	157
inpatient care	157
stress testing	205
ultrasound (sonogram)	480

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. James Leonard Comazzi, MD.

**Gender**
Male	809
Female	809

**Ethnicity**
Non-Hispanic White	1493
Black	0
Hispanic	62
Asian	0
Other	28
Native American	15

**Age**
From 65 to 74	593
From 75 to 84	569
85 and over	311
Less than 65	145

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2016

Hypertension	75
High Cholesterol	60
Stroke	8
Ischemic Heart Disease	46
Depression	24
Chronic Kidney Disease	31
Asthma	29
Osteoperosis	7
Atrial Fibrilation	29
Heart Failure	34
Chronic Obstructive Pulmonary Disease	26
Diabetes	28
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. James Leonard Comazzi, MD treated as a cardiologist in Sonora, CA during 2017 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. James Leonard Comazzi, MD for Medicare patients.

cardiac procedures	749
doctor visit	1362
hospital care	233
inpatient care	233
stress testing	194
ultrasound (sonogram)	555

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. James Leonard Comazzi, MD.

**Gender**
Male	841
Female	810

**Ethnicity**
Non-Hispanic White	1529
Black	0
Hispanic	62
Asian	13
Other	26
Native American	0

**Age**
From 65 to 74	595
From 75 to 84	590
85 and over	316
Less than 65	150

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2017

Hypertension	75
High Cholesterol	55
Stroke	8
Ischemic Heart Disease	45
Depression	25
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	8
Atrial Fibrilation	29
Heart Failure	32
Chronic Obstructive Pulmonary Disease	25
Diabetes	29
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. James Leonard Comazzi, MD treated as a cardiologist in Sonora, CA during 2018 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. James Leonard Comazzi, MD for Medicare patients.

cardiac procedures	861
doctor visit	1209
hospital care	160
inpatient care	160
stress testing	209
ultrasound (sonogram)	652

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. James Leonard Comazzi, MD.

**Gender**
Male	862
Female	862

**Ethnicity**
Non-Hispanic White	1581
Black	0
Hispanic	69
Asian	0
Other	34
Native American	22

**Age**
From 65 to 74	640
From 75 to 84	633
85 and over	313
Less than 65	138

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2018

Hypertension	75
High Cholesterol	61
Stroke	9
Ischemic Heart Disease	44
Depression	24
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	9
Atrial Fibrilation	27
Heart Failure	31
Chronic Obstructive Pulmonary Disease	24
Diabetes	28
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. James Leonard Comazzi, MD treated as a cardiologist in Sonora, CA during 2019 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. James Leonard Comazzi, MD for Medicare patients.

cardiac procedures	748
doctor visit	898
hospital care	96
inpatient care	96
stress testing	196
ultrasound (sonogram)	552

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. James Leonard Comazzi, MD.

**Gender**
Male	931
Female	944

**Ethnicity**
Non-Hispanic White	1724
Black	0
Hispanic	74
Asian	0
Other	30
Native American	27

**Age**
From 65 to 74	693
From 75 to 84	678
85 and over	356
Less than 65	148

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2019

Hypertension	75
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	46
Depression	26
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	8
Atrial Fibrilation	26
Heart Failure	32
Chronic Obstructive Pulmonary Disease	25
Diabetes	29
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. James Leonard Comazzi, MD treated as a cardiologist in Sonora, CA during 2020 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. James Leonard Comazzi, MD for Medicare patients.

cardiac procedures	290
doctor visit	811
hospital care	71
inpatient care	71
stress testing	114
ultrasound (sonogram)	176

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. James Leonard Comazzi, MD.

**Gender**
Male	766
Female	767

**Ethnicity**
Non-Hispanic White	1417
Black	0
Hispanic	64
Asian	0
Other	29
Native American	12

**Age**
From 65 to 74	558
From 75 to 84	561
85 and over	288
Less than 65	126

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2020

Hypertension	75
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	48
Depression	26
Chronic Kidney Disease	36
Asthma	8
Osteoperosis	6
Atrial Fibrilation	25
Heart Failure	32
Chronic Obstructive Pulmonary Disease	23
Diabetes	30
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. James Leonard Comazzi, MD treated as a cardiologist in Sonora, CA during 2021 were hospital care, inpatient care, stress testing and cardiac procedures.

Volume of procedures performed by Dr. James Leonard Comazzi, MD for Medicare patients.

cardiac procedures	93
doctor visit	593
hospital care	125
inpatient care	125
stress testing	93

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. James Leonard Comazzi, MD.

**Gender**
Male	689
Female	686

**Ethnicity**
Non-Hispanic White	1259
Black	0
Hispanic	62
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	527
From 75 to 84	466
85 and over	249
Less than 65	133

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2021

Hypertension	75
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	48
Depression	28
Chronic Kidney Disease	37
Asthma	9
Osteoperosis	8
Atrial Fibrilation	27
Heart Failure	33
Chronic Obstructive Pulmonary Disease	21
Diabetes	31
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2021

Volume of procedures performed by Dr. James Leonard Comazzi, MD for Medicare patients.

The highest averages for the top procedures that Dr. James Leonard Comazzi, MD treated as a cardiologist in Sonora, CA were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

cardiac procedures	686
doctor visit	1561
hospital care	166
inpatient care	164
outpatient care	18
stress testing	211
ultrasound (sonogram)	528

Average Medicare Patient Data From 2012 - 2021

Information about Medicare patients treated by Dr. James Leonard Comazzi, MD.

**Gender**
Male	857
Female	838

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	1
Non-Hispanic White	1569
Native American / Alaskan Native	13
Hispanic	68
Other	25

**Age**
75 to 84	606
85 and over	330
Less than 65	152
65 to 74	606

Average of Total of Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD From 2012 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. James Leonard Comazzi, MD treated were hypertension, high cholesterol, ischemic heart disease and heart failure.

Hypertension	67
High Cholesterol	54
Stroke	7
Ischemic Heart Disease	42
Depression	22
Chronic Kidney Disease	29
Asthma	11
Osteoporosis	7
Heart Failure	30
Chronic Obstructive Pulmonary Disease	21
Diabetes	26
Atrial Fibrillation	24
Dementia	11
Cancer	12

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

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General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$409 XARELTO $409
SANOFI-AVENTIS U.S. LLC	$387 MULTAQ $292	PRALUENT $95
Boehringer Ingelheim Pharmaceuticals, Inc.	$296 Pradaxa $182	JARDIANCE $114
E.R. Squibb & Sons, L.L.C.	$293 ELIQUIS $293
Abbott Laboratories	$276 Assurity Pacemaker $172	Confirm Rx $61	Circulatory Support $25	Fortify Assura, Ellipse ICD $18
Other	$1,404 ELIQUIS $186	Adempas $180	Repatha $108	Viva $92	CRM $79	Other $759

**Types of Payments**
Food and Beverage	$3,065

Biography

Dr. James Comazzi specializes in cardiology (heart disease) and practices in Sonora, CA. Dr. Comazzi has obtained a license to practice in California.

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Dr. James Leonard Comazzi, MD

Office Locations

In The News

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. James Leonard Comazzi, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD in 2021

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2021

Average Medicare Patient Data From 2012 - 2021

Average of Total of Conditions of Medicare patients treated by Dr. James Leonard Comazzi, MD From 2012 - 2021

Education & Training

Ratings & Reviews

General Payments

Biography

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