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Dr. Joseph J. Brennan JR., MD

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Specializes in: Adult Cardiology

11 Harrison Avenue
Branford, CT 06405

(203) 483-8300

Dr. Joseph J. Brennan JR., MD is a cardiologist in Branford, CT specializing in adult cardiology. Dr. Joseph J. Brennan JR., MD is affiliated with U.S. Department of Veterans Affairs.

Office Locations

11 Harrison Avenue
Branford, CT 06405

(203) 483-8300

(203) 483-8314

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950 Campbell Avenue Connecticut Vahcs (689)
West Haven, CT 06516

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In The News

“"There have been a number of reported cardiac complications associated with the Covid virus and they're so varied," said Dr. Joseph Brennan, the director of the coronary intensive care unit at Yale...”—"Why overcoming Covid-19 is just the first hurdle of a much longer journey", CNN, May 2020

“"I think there will be long-term sequelae," said Yale cardiologist Dr. Joseph Brennan, using the medical term for a disease's downstream effects.”—"Coronavirus infection may cause damage throughout body, doctors fear", The Atlanta Journal-Constitution , April 2020

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Joseph J. Brennan JR., MD treated as a cardiologist in Branford, CT during 2012 were hospital care, inpatient care, cardiac procedures and lab tests.

Volume of procedures performed by Dr. Joseph J. Brennan JR., MD for Medicare patients.

cardiac procedures	120
catheterization	76
diagnostic procedures	42
doctor visit	422
hospital care	410
inpatient care	410
lab tests	102
minimally invasive procedures	76
stent placement (stenting)	34
stress testing	17
vascular procedures	69

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Joseph J. Brennan JR., MD treated as a cardiologist in Branford, CT during 2013 were hospital care, inpatient care, cardiac procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Joseph J. Brennan JR., MD for Medicare patients.

angioplasty	46
cardiac procedures	116
catheterization	96
diagnostic procedures	27
doctor visit	327
hospital care	476
inpatient care	476
lab tests	17
minimally invasive procedures	96
stent placement (stenting)	46
vascular procedures	47

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph J. Brennan JR., MD.

**Gender**
Male	287
Female	257

**Ethnicity**
Non-Hispanic White	495
Black	22
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	209
From 75 to 84	202
85 and over	91
Less than 65	42

Conditions of Medicare patients treated by Dr. Joseph J. Brennan JR., MD in 2013

Hypertension	75
High Cholesterol	71
Stroke	8
Ischemic Heart Disease	75
Depression	19
Chronic Kidney Disease	37
Asthma	11
Osteoperosis	8
Atrial Fibrilation	31
Heart Failure	45
Chronic Obstructive Pulmonary Disease	21
Diabetes	35
Dementia	9
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Joseph J. Brennan JR., MD treated as a cardiologist in Branford, CT during 2014 were hospital care, inpatient care, cardiac procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Joseph J. Brennan JR., MD for Medicare patients.

angioplasty	56
cardiac procedures	132
catheterization	106
diagnostic procedures	22
doctor visit	414
hospital care	341
inpatient care	341
minimally invasive procedures	106
stent placement (stenting)	56
vascular procedures	48

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph J. Brennan JR., MD.

**Gender**
Male	304
Female	243

**Ethnicity**
Non-Hispanic White	498
Black	19
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	213
From 75 to 84	190
85 and over	101
Less than 65	43

Conditions of Medicare patients treated by Dr. Joseph J. Brennan JR., MD in 2014

Hypertension	75
High Cholesterol	73
Stroke	10
Ischemic Heart Disease	75
Depression	20
Chronic Kidney Disease	38
Asthma	10
Osteoperosis	6
Atrial Fibrilation	31
Heart Failure	46
Chronic Obstructive Pulmonary Disease	22
Diabetes	38
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Joseph J. Brennan JR., MD treated as a cardiologist in Branford, CT during 2015 were hospital care, inpatient care, cardiac procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Joseph J. Brennan JR., MD for Medicare patients.

angioplasty	72
cardiac procedures	193
catheterization	127
diagnostic procedures	19
doctor visit	418
hospital care	346
inpatient care	346
minimally invasive procedures	127
stent placement (stenting)	72
vascular procedures	85

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph J. Brennan JR., MD.

**Gender**
Male	678
Female	502

**Ethnicity**
Non-Hispanic White	1084
Black	38
Hispanic	26
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	460
From 75 to 84	402
85 and over	228
Less than 65	90

Conditions of Medicare patients treated by Dr. Joseph J. Brennan JR., MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	75
Depression	24
Chronic Kidney Disease	39
Asthma	16
Osteoperosis	8
Atrial Fibrilation	30
Heart Failure	43
Chronic Obstructive Pulmonary Disease	24
Diabetes	36
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Joseph J. Brennan JR., MD treated as a cardiologist in Branford, CT during 2016 were hospital care, inpatient care, cardiac procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Joseph J. Brennan JR., MD for Medicare patients.

angioplasty	76
cardiac procedures	184
catheterization	140
diagnostic procedures	26
doctor visit	438
hospital care	331
inpatient care	331
minimally invasive procedures	140
stent placement (stenting)	76
vascular procedures	70

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph J. Brennan JR., MD.

**Gender**
Male	379
Female	258

**Ethnicity**
Non-Hispanic White	571
Black	23
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	250
85 and over	102
Less than 65	45

Conditions of Medicare patients treated by Dr. Joseph J. Brennan JR., MD in 2016

Hypertension	75
High Cholesterol	74
Stroke	8
Ischemic Heart Disease	75
Depression	20
Chronic Kidney Disease	45
Asthma	25
Osteoperosis	6
Atrial Fibrilation	29
Heart Failure	44
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Joseph J. Brennan JR., MD treated as a cardiologist in Branford, CT during 2017 were hospital care, inpatient care, cardiac procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Joseph J. Brennan JR., MD for Medicare patients.

angioplasty	66
cardiac procedures	155
catheterization	99
doctor visit	519
hospital care	249
inpatient care	249
minimally invasive procedures	99
stent placement (stenting)	66
vascular procedures	56

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph J. Brennan JR., MD.

**Gender**
Male	380
Female	262

**Ethnicity**
Non-Hispanic White	585
Black	18
Hispanic	0
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	264
From 75 to 84	226
85 and over	110
Less than 65	42

Conditions of Medicare patients treated by Dr. Joseph J. Brennan JR., MD in 2017

Hypertension	75
High Cholesterol	73
Stroke	8
Ischemic Heart Disease	75
Depression	20
Chronic Kidney Disease	40
Asthma	9
Osteoperosis	9
Atrial Fibrilation	30
Heart Failure	41
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Joseph J. Brennan JR., MD treated as a cardiologist in Branford, CT during 2018 were cardiac procedures, hospital care, inpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. Joseph J. Brennan JR., MD for Medicare patients.

angioplasty	78
cardiac procedures	193
catheterization	130
diagnostic procedures	13
doctor visit	458
hospital care	149
inpatient care	149
minimally invasive procedures	130
stent placement (stenting)	78
vascular procedures	76

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph J. Brennan JR., MD.

**Gender**
Male	321
Female	223

**Ethnicity**
Non-Hispanic White	479
Black	0
Hispanic	21
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	208
From 75 to 84	221
85 and over	90
Less than 65	25

Conditions of Medicare patients treated by Dr. Joseph J. Brennan JR., MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	75
Depression	20
Chronic Kidney Disease	44
Asthma	8
Osteoperosis	9
Atrial Fibrilation	30
Heart Failure	42
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Joseph J. Brennan JR., MD treated as a cardiologist in Branford, CT during 2019 were hospital care, inpatient care, cardiac procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Joseph J. Brennan JR., MD for Medicare patients.

angioplasty	46
cardiac procedures	125
catheterization	81
diagnostic procedures	12
doctor visit	331
hospital care	136
inpatient care	136
minimally invasive procedures	81
stent placement (stenting)	46
vascular procedures	56

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph J. Brennan JR., MD.

**Gender**
Male	274
Female	186

**Ethnicity**
Non-Hispanic White	394
Black	21
Hispanic	14
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	189
85 and over	80
Less than 65	28

Conditions of Medicare patients treated by Dr. Joseph J. Brennan JR., MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	75
Depression	24
Chronic Kidney Disease	47
Asthma	10
Osteoperosis	8
Atrial Fibrilation	28
Heart Failure	46
Chronic Obstructive Pulmonary Disease	19
Diabetes	36
Dementia	14
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Joseph J. Brennan JR., MD treated as a cardiologist in Branford, CT during 2020 were hospital care, inpatient care, cardiac procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Joseph J. Brennan JR., MD for Medicare patients.

angioplasty	26
cardiac procedures	79
catheterization	53
diagnostic procedures	14
doctor visit	243
hospital care	140
inpatient care	140
minimally invasive procedures	53
stent placement (stenting)	26
vascular procedures	40

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph J. Brennan JR., MD.

**Gender**
Male	226
Female	168

**Ethnicity**
Non-Hispanic White	344
Black	15
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	153
85 and over	65
Less than 65	30

Conditions of Medicare patients treated by Dr. Joseph J. Brennan JR., MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	75
Depression	19
Chronic Kidney Disease	47
Asthma	8
Osteoperosis	8
Atrial Fibrilation	30
Heart Failure	45
Chronic Obstructive Pulmonary Disease	19
Diabetes	36
Dementia	14
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Joseph J. Brennan JR., MD treated as a cardiologist in Branford, CT during 2021 were hospital care, inpatient care, cardiac procedures and vascular procedures.

Volume of procedures performed by Dr. Joseph J. Brennan JR., MD for Medicare patients.

cardiac procedures	36
doctor visit	330
hospital care	56
inpatient care	56
vascular procedures	36

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph J. Brennan JR., MD.

**Gender**
Male	237
Female	167

**Ethnicity**
Non-Hispanic White	356
Black	0
Hispanic	19
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	153
From 75 to 84	172
85 and over	63
Less than 65	16

Conditions of Medicare patients treated by Dr. Joseph J. Brennan JR., MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	75
Depression	20
Chronic Kidney Disease	43
Asthma	10
Osteoperosis	9
Atrial Fibrilation	26
Heart Failure	39
Chronic Obstructive Pulmonary Disease	18
Diabetes	31
Dementia	14
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2021

Volume of procedures performed by Dr. Joseph J. Brennan JR., MD for Medicare patients.

The highest averages for the top procedures that Dr. Joseph J. Brennan JR., MD treated as a cardiologist in Branford, CT were hospital care, inpatient care, cardiac procedures and minimally invasive procedures.

angioplasty	58
cardiac procedures	133
catheterization	100
diagnostic procedures	21
doctor visit	390
hospital care	263
inpatient care	263
lab tests	59
minimally invasive procedures	100
stent placement (stenting)	55
stress testing	17
vascular procedures	58

Average Medicare Patient Data From 2012 - 2021

Information about Medicare patients treated by Dr. Joseph J. Brennan JR., MD.

**Gender**
Male	308
Female	226

**Ethnicity**
Black / African American	15
Asian / Pacific Islander	0
Non-Hispanic White	480
Hispanic	14
Native American / Alaskan Native	0
Other	11

**Age**
75 to 84	200
85 and over	93
Less than 65	36
65 to 74	205

Average of Total of Conditions of Medicare patients treated by Dr. Joseph J. Brennan JR., MD From 2012 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. Joseph J. Brennan JR., MD treated were hypertension, ischemic heart disease, high cholesterol and heart failure.

Hypertension	67
High Cholesterol	66
Stroke	7
Ischemic Heart Disease	67
Depression	18
Chronic Kidney Disease	38
Asthma	10
Osteoporosis	7
Heart Failure	39
Chronic Obstructive Pulmonary Disease	18
Diabetes	31
Atrial Fibrillation	26
Cancer	13
Dementia	10

Education & Training

He has a state license in Connecticut.

Licensed In: Connecticut

Affiliations & Hospitals

Dr. Joseph J. Brennan JR., MD is associated with these hospitals and organizations:

U.S. Department of Veterans Affairs

Ratings & Reviews

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General Payments

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

**Payments by Company**
BIOTRONIK INC.	$4,000 Astron $4,000
Medtronic Vascular, Inc.	$3,710 Resolute $2,059	Endeavor $1,498	STENTS $152
Medtronic, Inc.	$167 Resolute $97	RESOLUTE ONYX $70
ABIOMED	$130 Impella $130
Boston Scientific Corporation	$118 WATCHMAN FLX $105	STENTS $13
Other	$132 Atherectomy Device $25	HeartMate PHP $12	Vascular Closure Device $11	$85

**Types of Payments**
Consulting Fee	$4,000
Travel and Lodging	$2,607
Food and Beverage	$1,565
Education	$85

Biography

Dr. Joseph Brennan sees patients in Branford, CT and West Haven, CT. His medical specialty is adult cardiology. He is professionally affiliated with U.S. Department of Veterans Affairs.