In 2023, Dr. John J. Guerin, MD had a list price for ambulatory cardiac monitoring, ambulatory monitoring, cardiac imaging, color Doppler echocardiography, Doppler echocardiography, Holter monitoring, and spectral Doppler echocardiography that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Massachusetts. 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:

cardiac stress testing

cardiac procedures

By Affordability:

SPECT scan

stress EKG

In 2023, among providers in related specialties within Massachusetts, Dr. John J. Guerin, MD performed more cardiac (heart) stress testing, and cardiac procedures procedures for Medicare patients than 90% of them and he also had a list price for SPECT scan, and stress EKG that was lower than the list prices billed to Medicare by 90% 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 25%

By Volume:

Doppler echocardiography

echocardiogram

inpatient hospital care

myocardial perfusion SPECT

nuclear scan

ultrasound

By Affordability:

cardiac stress testing

echocardiogram

electrocardiogram

emergency care

myocardial perfusion SPECT

nuclear scan

nuclear stress test

stress testing

transthoracic echocardiography

In 2012, among providers in related specialties within Massachusetts, Dr. John J. Guerin, MD performed more Doppler echocardiography, echocardiogram (echo), inpatient hospital care (for patient admitted to hospital), myocardial perfusion SPECT, nuclear scan, and ultrasound (sonogram) procedures for Medicare patients than 75% of them and he also had a list price for cardiac (heart) stress testing, echocardiogram (echo), electrocardiogram (EKG), emergency care, myocardial perfusion SPECT, nuclear scan, nuclear stress test (myocardial perfusion imaging), stress testing, and transthoracic echocardiography (TTE) 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. John J. Guerin, MD treated as an interventional cardiologist in Falmouth, MA during 2012 were cardiac procedures, inpatient care, hospital care and stress testing.

Volume of procedures performed by Dr. John J. Guerin, MD for Medicare patients.

ambulatory monitoring	57
cardiac procedures	1075
cardioversion	17
catheterization	14
diagnostic procedures	14
doctor visit	1929
emergency care	25
hospital care	619
inpatient care	619
minimally invasive procedures	14
nuclear scan	190
stress testing	560
ultrasound (sonogram)	444
vascular procedures	14

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John J. Guerin, MD treated as an interventional cardiologist in Falmouth, MA during 2013 were cardiac procedures, stress testing, hospital care and inpatient care.

Volume of procedures performed by Dr. John J. Guerin, MD for Medicare patients.

ambulatory monitoring	65
cardiac procedures	1099
cardioversion	17
doctor visit	1993
emergency care	25
hospital care	524
implant surgery	13
inpatient care	524
minimally invasive procedures	13
nuclear scan	182
stress testing	542
ultrasound (sonogram)	479

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Guerin, MD.

**Gender**
Male	1094
Female	1120

**Ethnicity**
Non-Hispanic White	2073
Black	43
Hispanic	30
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	676
From 75 to 84	816
85 and over	548
Less than 65	174

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2013

Hypertension	75
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	55
Depression	25
Chronic Kidney Disease	30
Asthma	8
Osteoperosis	9
Atrial Fibrilation	31
Heart Failure	31
Chronic Obstructive Pulmonary Disease	23
Diabetes	31
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John J. Guerin, MD treated as an interventional cardiologist in Falmouth, MA during 2014 were cardiac procedures, stress testing, hospital care and inpatient care.

Volume of procedures performed by Dr. John J. Guerin, MD for Medicare patients.

ambulatory monitoring	79
cardiac procedures	1116
cardioversion	12
doctor visit	1915
emergency care	30
hospital care	572
inpatient care	572
nuclear scan	146
stress testing	588
ultrasound (sonogram)	449

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Guerin, MD.

**Gender**
Male	1117
Female	1042

**Ethnicity**
Non-Hispanic White	2032
Black	39
Hispanic	27
Asian	0
Other	37
Native American	0

**Age**
From 65 to 74	671
From 75 to 84	796
85 and over	536
Less than 65	156

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2014

Hypertension	75
High Cholesterol	71
Stroke	9
Ischemic Heart Disease	56
Depression	23
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	8
Atrial Fibrilation	30
Heart Failure	31
Chronic Obstructive Pulmonary Disease	22
Diabetes	32
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John J. Guerin, MD treated as an interventional cardiologist in Falmouth, MA during 2015 were cardiac procedures, stress testing, hospital care and inpatient care.

Volume of procedures performed by Dr. John J. Guerin, MD for Medicare patients.

ambulatory monitoring	85
cardiac procedures	1308
cardioversion	12
doctor visit	2040
emergency care	35
hospital care	629
inpatient care	629
nuclear scan	255
stress testing	665
ultrasound (sonogram)	558

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Guerin, MD.

**Gender**
Male	2476
Female	2432

**Ethnicity**
Non-Hispanic White	4580
Black	78
Hispanic	62
Asian	0
Other	120
Native American	0

**Age**
From 65 to 74	1602
From 75 to 84	1724
85 and over	1248
Less than 65	334

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2015

Hypertension	75
High Cholesterol	73
Stroke	9
Ischemic Heart Disease	56
Depression	26
Chronic Kidney Disease	38
Asthma	17
Osteoperosis	9
Atrial Fibrilation	29
Heart Failure	30
Chronic Obstructive Pulmonary Disease	22
Diabetes	31
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John J. Guerin, MD treated as an interventional cardiologist in Falmouth, MA during 2016 were cardiac procedures, stress testing, ultrasound (sonogram) and hospital care.

Volume of procedures performed by Dr. John J. Guerin, MD for Medicare patients.

ambulatory monitoring	57
cardiac procedures	1405
cardioversion	13
doctor visit	2115
emergency care	34
hospital care	482
implant surgery	16
inpatient care	469
minimally invasive procedures	16
nuclear scan	265
outpatient care	13
stress testing	675
ultrasound (sonogram)	657

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Guerin, MD.

**Gender**
Male	1340
Female	1370

**Ethnicity**
Non-Hispanic White	2542
Black	49
Hispanic	30
Asian	0
Other	56
Native American	0

**Age**
From 65 to 74	851
From 75 to 84	994
85 and over	671
Less than 65	194

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2016

Hypertension	75
High Cholesterol	73
Stroke	10
Ischemic Heart Disease	55
Depression	28
Chronic Kidney Disease	42
Asthma	26
Osteoperosis	10
Atrial Fibrilation	27
Heart Failure	29
Chronic Obstructive Pulmonary Disease	23
Diabetes	31
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John J. Guerin, MD treated as an interventional cardiologist in Falmouth, MA during 2017 were cardiac procedures, stress testing, ultrasound (sonogram) and hospital care.

Volume of procedures performed by Dr. John J. Guerin, MD for Medicare patients.

ambulatory monitoring	80
cardiac procedures	1584
cardioversion	14
doctor visit	2412
emergency care	40
hospital care	602
inpatient care	602
nuclear scan	279
stress testing	770
ultrasound (sonogram)	734

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Guerin, MD.

**Gender**
Male	1387
Female	1398

**Ethnicity**
Non-Hispanic White	2605
Black	44
Hispanic	27
Asian	11
Other	73
Native American	25

**Age**
From 65 to 74	849
From 75 to 84	1070
85 and over	668
Less than 65	198

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2017

Hypertension	75
High Cholesterol	58
Stroke	9
Ischemic Heart Disease	55
Depression	28
Chronic Kidney Disease	41
Asthma	8
Osteoperosis	10
Atrial Fibrilation	30
Heart Failure	28
Chronic Obstructive Pulmonary Disease	22
Diabetes	28
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John J. Guerin, MD treated as an interventional cardiologist in Falmouth, MA during 2018 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John J. Guerin, MD for Medicare patients.

ambulatory monitoring	37
cardiac procedures	1238
cardioversion	14
doctor visit	2314
emergency care	36
hospital care	588
inpatient care	576
lab tests	75
nuclear scan	162
outpatient care	12
stress testing	562
ultrasound (sonogram)	639

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Guerin, MD.

**Gender**
Male	1416
Female	1374

**Ethnicity**
Non-Hispanic White	2597
Black	41
Hispanic	28
Asian	0
Other	86
Native American	0

**Age**
From 65 to 74	870
From 75 to 84	1038
85 and over	705
Less than 65	177

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	54
Depression	27
Chronic Kidney Disease	43
Asthma	8
Osteoperosis	10
Atrial Fibrilation	30
Heart Failure	0
Chronic Obstructive Pulmonary Disease	22
Diabetes	29
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John J. Guerin, MD treated as an interventional cardiologist in Falmouth, MA during 2019 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John J. Guerin, MD for Medicare patients.

ambulatory monitoring	51
cardiac procedures	1159
cardioversion	13
doctor visit	2371
emergency care	29
hospital care	493
inpatient care	493
lab tests	123
nuclear scan	188
stress testing	463
ultrasound (sonogram)	645

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Guerin, MD.

**Gender**
Male	1326
Female	1268

**Ethnicity**
Non-Hispanic White	2400
Black	42
Hispanic	30
Asian	0
Other	86
Native American	0

**Age**
From 65 to 74	803
From 75 to 84	970
85 and over	644
Less than 65	177

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	55
Depression	29
Chronic Kidney Disease	40
Asthma	9
Osteoperosis	10
Atrial Fibrilation	29
Heart Failure	29
Chronic Obstructive Pulmonary Disease	22
Diabetes	28
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John J. Guerin, MD treated as an interventional cardiologist in Falmouth, MA during 2020 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John J. Guerin, MD for Medicare patients.

ambulatory monitoring	24
cardiac procedures	706
doctor visit	1903
emergency care	12
hospital care	432
inpatient care	420
nuclear scan	106
outpatient care	12
stress testing	188
ultrasound (sonogram)	494

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Guerin, MD.

**Gender**
Male	1268
Female	1261

**Ethnicity**
Non-Hispanic White	2369
Black	36
Hispanic	27
Asian	0
Other	72
Native American	0

**Age**
From 65 to 74	732
From 75 to 84	933
85 and over	679
Less than 65	185

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2020

Hypertension	75
High Cholesterol	73
Stroke	9
Ischemic Heart Disease	51
Depression	29
Chronic Kidney Disease	44
Asthma	8
Osteoperosis	10
Atrial Fibrilation	28
Heart Failure	29
Chronic Obstructive Pulmonary Disease	21
Diabetes	28
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John J. Guerin, MD treated as an interventional cardiologist in Falmouth, MA during 2021 were cardiac procedures, stress testing, ultrasound (sonogram) and hospital care.

Volume of procedures performed by Dr. John J. Guerin, MD for Medicare patients.

ambulatory monitoring	51
cardiac procedures	799
cardioversion	13
doctor visit	2145
emergency care	23
hospital care	306
inpatient care	306
nuclear scan	159
stress testing	398
ultrasound (sonogram)	350

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Guerin, MD.

**Gender**
Male	1186
Female	1182

**Ethnicity**
Non-Hispanic White	2211
Black	39
Hispanic	20
Asian	0
Other	72
Native American	0

**Age**
From 65 to 74	682
From 75 to 84	921
85 and over	597
Less than 65	168

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	53
Depression	28
Chronic Kidney Disease	41
Asthma	9
Osteoperosis	12
Atrial Fibrilation	30
Heart Failure	30
Chronic Obstructive Pulmonary Disease	20
Diabetes	28
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John J. Guerin, MD treated as an interventional cardiologist in Falmouth, MA during 2022 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. John J. Guerin, MD for Medicare patients.

ambulatory monitoring	56
cardiac procedures	1013
cardioversion	16
doctor visit	2116
emergency care	14
hospital care	283
implant surgery	12
inpatient care	283
lab tests	11
minimally invasive procedures	12
nuclear scan	162
stress testing	388
ultrasound (sonogram)	557

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Guerin, MD.

**Gender**
Male	1124
Female	1174

**Ethnicity**
Non-Hispanic White	2137
Black	36
Hispanic	18
Asian	0
Other	86
Native American	0

**Age**
From 65 to 74	680
From 75 to 84	870
85 and over	634
Less than 65	114

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	43
Depression	26
Chronic Kidney Disease	30
Asthma	13
Osteoperosis	18
Atrial Fibrilation	39
Heart Failure	27
Chronic Obstructive Pulmonary Disease	24
Diabetes	27
Dementia	13
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John J. Guerin, MD for Medicare patients.

The highest averages for the top procedures that Dr. John J. Guerin, MD treated as an interventional cardiologist in Falmouth, MA were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

ambulatory monitoring	58
cardiac procedures	1136
cardioversion	14
catheterization	14
diagnostic procedures	14
doctor visit	2113
emergency care	27
hospital care	502
implant surgery	13
inpatient care	499
lab tests	69
minimally invasive procedures	13
nuclear scan	190
outpatient care	12
stress testing	527
ultrasound (sonogram)	546
vascular procedures	14

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John J. Guerin, MD.

**Gender**
Male	1248
Female	1238

**Ethnicity**
Black / African American	40
Asian / Pacific Islander	1
Non-Hispanic White	2322
Native American / Alaskan Native	2
Hispanic	27
Other	65

**Age**
75 to 84	921
85 and over	630
Less than 65	170
65 to 74	765

Average of Total of Conditions of Medicare patients treated by Dr. John J. Guerin, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	65
Stroke	9
Ischemic Heart Disease	48
Depression	24
Chronic Kidney Disease	34
Asthma	10
Osteoporosis	9
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	26
Atrial Fibrillation	27
Dementia	13
Cancer	13

Education & Training

He has a state license in Massachusetts.

Licensed In: Massachusetts

Ratings & Reviews

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General Payments

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

**Payments by Company**
Boston Scientific Corporation	$109 WATCHMAN $53	WATCHMAN Access System $31	LATITUDE $25
Janssen Pharmaceuticals, Inc	$34 XARELTO $34
Boehringer Ingelheim Pharmaceuticals, Inc.	$22 JARDIANCE $22
Novartis Pharmaceuticals Corporation	$20 LEQVIO $20
SANOFI-AVENTIS U.S. LLC	$11 PRALUENT $11

**Types of Payments**
Food and Beverage	$197

Biography

Dr. John Guerin's specialties are adult cardiology and interventional cardiology. He practices in Falmouth, MA. Dr. Guerin obtained a license to practice in Massachusetts.

Select Year:

Dr. John J. Guerin, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John J. Guerin, MD in 2023

By Affordability:

By Volume:

By Affordability:

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. John J. Guerin, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Guerin, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Guerin, 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. John J. Guerin, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Interventional Cardiologists in Nearby Locations

Other Providers in Falmouth, MA