In 2024, Dr. Peter Gerard Hagan, MD performed more Doppler echocardiography, echocardiogram (echo), and ultrasound (sonogram) procedures for Medicare patients than 90% of providers in related specialties within Michigan.

Top 25%

By Volume:

transesophageal echocardiography

In 2012, Dr. Peter Gerard Hagan, MD performed more transesophageal echocardiography (TEE) procedures for Medicare patients than 75% of providers in related specialties within Michigan.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Peter Gerard Hagan, MD treated as a cardiologist in Brighton, MI during 2012 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Gerard Hagan, MD for Medicare patients.

cardiac procedures	1177
doctor visit	121
hospital care	241
inpatient care	241
minimally invasive procedures	99
stress testing	127
ultrasound (sonogram)	1142

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Peter Gerard Hagan, MD treated as a cardiologist in Brighton, MI during 2013 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Gerard Hagan, MD for Medicare patients.

cardiac procedures	843
doctor visit	124
hospital care	313
inpatient care	313
minimally invasive procedures	79
stress testing	92
ultrasound (sonogram)	829

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Gerard Hagan, MD.

**Gender**
Male	559
Female	469

**Ethnicity**
Non-Hispanic White	893
Black	89
Hispanic	0
Asian	15
Other	18
Native American	0

**Age**
From 65 to 74	423
From 75 to 84	265
85 and over	100
Less than 65	240

Conditions of Medicare patients treated by Dr. Peter Gerard Hagan, MD in 2013

Hypertension	75
High Cholesterol	62
Stroke	11
Ischemic Heart Disease	66
Depression	32
Chronic Kidney Disease	48
Asthma	13
Osteoperosis	8
Atrial Fibrilation	33
Heart Failure	57
Chronic Obstructive Pulmonary Disease	29
Diabetes	40
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Peter Gerard Hagan, MD treated as a cardiologist in Brighton, MI during 2014 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Gerard Hagan, MD for Medicare patients.

cardiac procedures	868
doctor visit	116
hospital care	218
inpatient care	218
minimally invasive procedures	63
stress testing	48
ultrasound (sonogram)	868

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Gerard Hagan, MD.

**Gender**
Male	497
Female	422

**Ethnicity**
Non-Hispanic White	784
Black	81
Hispanic	16
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	374
From 75 to 84	239
85 and over	87
Less than 65	219

Conditions of Medicare patients treated by Dr. Peter Gerard Hagan, MD in 2014

Hypertension	75
High Cholesterol	64
Stroke	14
Ischemic Heart Disease	66
Depression	34
Chronic Kidney Disease	51
Asthma	12
Osteoperosis	9
Atrial Fibrilation	35
Heart Failure	58
Chronic Obstructive Pulmonary Disease	29
Diabetes	40
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Peter Gerard Hagan, MD treated as a cardiologist in Brighton, MI during 2015 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Gerard Hagan, MD for Medicare patients.

cardiac procedures	906
doctor visit	109
hospital care	250
inpatient care	250
minimally invasive procedures	80
stress testing	71
ultrasound (sonogram)	890

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Gerard Hagan, MD.

**Gender**
Male	1254
Female	1100

**Ethnicity**
Non-Hispanic White	1966
Black	246
Hispanic	0
Asian	44
Other	60
Native American	0

**Age**
From 65 to 74	896
From 75 to 84	588
85 and over	284
Less than 65	586

Conditions of Medicare patients treated by Dr. Peter Gerard Hagan, MD in 2015

Hypertension	75
High Cholesterol	64
Stroke	15
Ischemic Heart Disease	65
Depression	37
Chronic Kidney Disease	55
Asthma	21
Osteoperosis	10
Atrial Fibrilation	33
Heart Failure	52
Chronic Obstructive Pulmonary Disease	29
Diabetes	44
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Peter Gerard Hagan, MD treated as a cardiologist in Brighton, MI during 2016 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Gerard Hagan, MD for Medicare patients.

cardiac procedures	918
doctor visit	113
hospital care	198
inpatient care	198
minimally invasive procedures	83
stress testing	47
ultrasound (sonogram)	900

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Gerard Hagan, MD.

**Gender**
Male	506
Female	484

**Ethnicity**
Non-Hispanic White	831
Black	109
Hispanic	14
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	379
From 75 to 84	259
85 and over	119
Less than 65	233

Conditions of Medicare patients treated by Dr. Peter Gerard Hagan, MD in 2016

Hypertension	75
High Cholesterol	63
Stroke	13
Ischemic Heart Disease	65
Depression	32
Chronic Kidney Disease	57
Asthma	31
Osteoperosis	11
Atrial Fibrilation	31
Heart Failure	54
Chronic Obstructive Pulmonary Disease	29
Diabetes	40
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Peter Gerard Hagan, MD treated as a cardiologist in Brighton, MI during 2017 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Gerard Hagan, MD for Medicare patients.

cardiac procedures	842
doctor visit	120
hospital care	95
inpatient care	95
minimally invasive procedures	83
stress testing	15
ultrasound (sonogram)	842

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Gerard Hagan, MD.

**Gender**
Male	483
Female	440

**Ethnicity**
Non-Hispanic White	782
Black	80
Hispanic	0
Asian	18
Other	29
Native American	0

**Age**
From 65 to 74	374
From 75 to 84	272
85 and over	113
Less than 65	164

Conditions of Medicare patients treated by Dr. Peter Gerard Hagan, MD in 2017

Hypertension	75
High Cholesterol	61
Stroke	13
Ischemic Heart Disease	65
Depression	32
Chronic Kidney Disease	55
Asthma	13
Osteoperosis	11
Atrial Fibrilation	33
Heart Failure	53
Chronic Obstructive Pulmonary Disease	28
Diabetes	37
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Peter Gerard Hagan, MD treated as a cardiologist in Brighton, MI during 2018 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Gerard Hagan, MD for Medicare patients.

cardiac procedures	990
doctor visit	116
hospital care	165
inpatient care	165
minimally invasive procedures	87
stress testing	44
ultrasound (sonogram)	972

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Gerard Hagan, MD.

**Gender**
Male	562
Female	511

**Ethnicity**
Non-Hispanic White	899
Black	87
Hispanic	0
Asian	27
Other	36
Native American	0

**Age**
From 65 to 74	436
From 75 to 84	295
85 and over	143
Less than 65	199

Conditions of Medicare patients treated by Dr. Peter Gerard Hagan, MD in 2018

Hypertension	75
High Cholesterol	65
Stroke	15
Ischemic Heart Disease	65
Depression	34
Chronic Kidney Disease	56
Asthma	13
Osteoperosis	12
Atrial Fibrilation	34
Heart Failure	56
Chronic Obstructive Pulmonary Disease	26
Diabetes	40
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Peter Gerard Hagan, MD treated as a cardiologist in Brighton, MI during 2019 were cardiac procedures, ultrasound (sonogram), minimally invasive procedures and stress testing.

Volume of procedures performed by Dr. Peter Gerard Hagan, MD for Medicare patients.

cardiac procedures	1025
doctor visit	107
hospital care	55
inpatient care	55
minimally invasive procedures	75
stress testing	55
ultrasound (sonogram)	1004

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Gerard Hagan, MD.

**Gender**
Male	575
Female	500

**Ethnicity**
Non-Hispanic White	908
Black	106
Hispanic	0
Asian	22
Other	24
Native American	0

**Age**
From 65 to 74	454
From 75 to 84	291
85 and over	127
Less than 65	203

Conditions of Medicare patients treated by Dr. Peter Gerard Hagan, MD in 2019

Hypertension	75
High Cholesterol	67
Stroke	12
Ischemic Heart Disease	63
Depression	35
Chronic Kidney Disease	57
Asthma	11
Osteoperosis	10
Atrial Fibrilation	32
Heart Failure	54
Chronic Obstructive Pulmonary Disease	25
Diabetes	40
Dementia	16
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Peter Gerard Hagan, MD treated as a cardiologist in Brighton, MI during 2020 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Gerard Hagan, MD for Medicare patients.

cardiac procedures	615
doctor visit	81
hospital care	114
inpatient care	114
minimally invasive procedures	64
stress testing	24
ultrasound (sonogram)	603

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Gerard Hagan, MD.

**Gender**
Male	365
Female	343

**Ethnicity**
Non-Hispanic White	619
Black	51
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	277
From 75 to 84	219
85 and over	83
Less than 65	129

Conditions of Medicare patients treated by Dr. Peter Gerard Hagan, MD in 2020

Hypertension	75
High Cholesterol	66
Stroke	12
Ischemic Heart Disease	62
Depression	31
Chronic Kidney Disease	57
Asthma	10
Osteoperosis	12
Atrial Fibrilation	31
Heart Failure	53
Chronic Obstructive Pulmonary Disease	19
Diabetes	39
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Peter Gerard Hagan, MD treated as a cardiologist in Brighton, MI during 2021 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Gerard Hagan, MD for Medicare patients.

cardiac procedures	639
doctor visit	120
hospital care	120
inpatient care	120
minimally invasive procedures	48
stress testing	22
ultrasound (sonogram)	628

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Gerard Hagan, MD.

**Gender**
Male	395
Female	350

**Ethnicity**
Non-Hispanic White	631
Black	53
Hispanic	13
Asian	20
Other	28
Native American	0

**Age**
From 65 to 74	303
From 75 to 84	233
85 and over	106
Less than 65	103

Conditions of Medicare patients treated by Dr. Peter Gerard Hagan, MD in 2021

Hypertension	75
High Cholesterol	61
Stroke	10
Ischemic Heart Disease	61
Depression	29
Chronic Kidney Disease	53
Asthma	10
Osteoperosis	11
Atrial Fibrilation	30
Heart Failure	49
Chronic Obstructive Pulmonary Disease	18
Diabetes	36
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Peter Gerard Hagan, MD treated as a cardiologist in Brighton, MI during 2022 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Gerard Hagan, MD for Medicare patients.

cardiac procedures	870
doctor visit	96
hospital care	106
inpatient care	106
minimally invasive procedures	49
stress testing	66
ultrasound (sonogram)	853

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Gerard Hagan, MD.

**Gender**
Male	527
Female	433

**Ethnicity**
Non-Hispanic White	805
Black	75
Hispanic	0
Asian	28
Other	36
Native American	0

**Age**
From 65 to 74	369
From 75 to 84	336
85 and over	126
Less than 65	129

Conditions of Medicare patients treated by Dr. Peter Gerard Hagan, MD in 2022

Hypertension	75
High Cholesterol	74
Stroke	14
Ischemic Heart Disease	50
Depression	27
Chronic Kidney Disease	39
Asthma	13
Osteoperosis	14
Atrial Fibrilation	40
Heart Failure	43
Chronic Obstructive Pulmonary Disease	21
Diabetes	35
Dementia	11
Cancer	18

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Peter Gerard Hagan, MD treated as a cardiologist in Brighton, MI during 2023 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Gerard Hagan, MD for Medicare patients.

cardiac procedures	930
doctor visit	101
hospital care	117
inpatient care	117
minimally invasive procedures	48
stress testing	69
ultrasound (sonogram)	919

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Gerard Hagan, MD.

**Gender**
Male	515
Female	502

**Ethnicity**
Non-Hispanic White	871
Black	59
Hispanic	0
Asian	31
Other	36
Native American	0

**Age**
From 65 to 74	421
From 75 to 84	347
85 and over	125
Less than 65	124

Conditions of Medicare patients treated by Dr. Peter Gerard Hagan, MD in 2023

Hypertension	75
High Cholesterol	73
Stroke	16
Ischemic Heart Disease	51
Depression	30
Chronic Kidney Disease	39
Asthma	15
Osteoperosis	16
Atrial Fibrilation	41
Heart Failure	43
Chronic Obstructive Pulmonary Disease	21
Diabetes	35
Dementia	9
Cancer	17

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Peter Gerard Hagan, MD treated as a cardiologist in Brighton, MI during 2024 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Gerard Hagan, MD for Medicare patients.

cardiac procedures	606
doctor visit	76
hospital care	119
inpatient care	119
minimally invasive procedures	45
ultrasound (sonogram)	606

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Gerard Hagan, MD.

**Gender**
Male	380
Female	325

**Ethnicity**
Non-Hispanic White	583
Black	57
Hispanic	17
Asian	14
Other	34
Native American	0

**Age**
From 65 to 74	293
From 75 to 84	234
85 and over	94
Less than 65	84

Conditions of Medicare patients treated by Dr. Peter Gerard Hagan, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	56
Depression	27
Chronic Kidney Disease	43
Asthma	14
Osteoperosis	17
Atrial Fibrilation	45
Heart Failure	50
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Dementia	8
Cancer	22

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Peter Gerard Hagan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Peter Gerard Hagan, MD treated as a cardiologist in Brighton, MI were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

cardiac procedures	863
doctor visit	107
hospital care	162
inpatient care	162
minimally invasive procedures	69
stress testing	56
ultrasound (sonogram)	850

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Peter Gerard Hagan, MD.

**Gender**
Male	509
Female	452

**Ethnicity**
Black / African American	84
Asian / Pacific Islander	16
Non-Hispanic White	813
Hispanic	4
Native American / Alaskan Native	0
Other	27

**Age**
75 to 84	275
85 and over	115
Less than 65	185
65 to 74	384

Average of Total of Conditions of Medicare patients treated by Dr. Peter Gerard Hagan, MD From 2012 - 2024

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

Hypertension	69
High Cholesterol	61
Stroke	12
Ischemic Heart Disease	56
Depression	29
Chronic Kidney Disease	46
Asthma	13
Osteoporosis	10
Heart Failure	47
Chronic Obstructive Pulmonary Disease	22
Diabetes	35
Atrial Fibrillation	32
Cancer	14
Dementia	12

Education & Training

He has a state license in Michigan.

Licensed In: Michigan

Ratings & Reviews

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Biography

Dr. Peter Hagan is an adult cardiology specialist. Before performing his residency at St. Vincent's Hospital and a hospital affiliated with the University of Toronto, Dr. Hagan attended the University College Dublin (UCD) School of Medicine & Medical Science for medical school. Areas of particular interest for Dr. Hagan include heart problems, echocardiogram (echo), and education. Patients rated Dr. Hagan highly, giving him an average of 5.0 stars (out of 5). Dr. Hagan is professionally affiliated with the University of Michigan Health.