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Dr. John B. Cadigan III, MD

(John Cadigan, MD)

(No ratings)

Specializes in: Cardiology (Heart Disease)

Boston University School of Medicine (1981)

100 Brigham Way
Westwood, MA 02090

(781) 471-2200

Dr. John B. Cadigan III, MD is a cardiologist in Westwood, MA specializing in cardiology (heart disease). He graduated from Boston University School of Medicine in 1981 and has 45 years of experience. Dr. John B. Cadigan III, MD is affiliated with BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC and Mass General Brigham Healthcare Center (Westwood).

Office Locations

100 Brigham Way
Westwood, MA 02090

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Noteworthy Medicare Patient Procedures Performed by Dr. John B. Cadigan III, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 25%

By Volume:

inpatient hospital care

In 2012, Dr. John B. Cadigan III, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of providers in related specialties within Massachusetts.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John B. Cadigan III, MD treated as a cardiologist in Westwood, MA during 2012 were lab tests, blood draw, cardiac procedures and stress testing.

Volume of procedures performed by Dr. John B. Cadigan III, MD for Medicare patients.

ambulatory monitoring	26
blood draw	559
cardiac procedures	263
doctor visit	701
lab tests	559
nuclear scan	56
stress testing	157
ultrasound (sonogram)	104

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John B. Cadigan III, MD treated as a cardiologist in Westwood, MA during 2013 were lab tests, blood draw, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. John B. Cadigan III, MD for Medicare patients.

blood draw	163
cardiac procedures	44
doctor visit	209
lab tests	163
stress testing	11
ultrasound (sonogram)	33

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Cadigan III, MD.

**Gender**
Male	125
Female	89

**Age**
From 65 to 74	0
From 75 to 84	96
85 and over	63
Less than 65	0

Conditions of Medicare patients treated by Dr. John B. Cadigan III, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	75
Depression	15
Chronic Kidney Disease	32
Asthma	6
Osteoperosis	6
Atrial Fibrilation	48
Heart Failure	45
Chronic Obstructive Pulmonary Disease	21
Diabetes	31
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. John B. Cadigan III, MD for Medicare patients.

doctor visit	41

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Cadigan III, MD.

**Gender**
Male	14
Female	19

**Age**
From 65 to 74	0
From 75 to 84	13
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John B. Cadigan III, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	64
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	36
Heart Failure	33
Chronic Obstructive Pulmonary Disease	0
Diabetes	36
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John B. Cadigan III, MD treated as a cardiologist in Westwood, MA during 2015 were ultrasound (sonogram), cardiac procedures and stress testing.

Volume of procedures performed by Dr. John B. Cadigan III, MD for Medicare patients.

cardiac procedures	34
doctor visit	139
stress testing	15
ultrasound (sonogram)	34

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Cadigan III, MD.

**Gender**
Male	52
Female	54

**Age**
From 65 to 74	44
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John B. Cadigan III, MD in 2015

Hypertension	75
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	49
Depression	0
Chronic Kidney Disease	23
Asthma	25
Osteoperosis	0
Atrial Fibrilation	32
Heart Failure	28
Chronic Obstructive Pulmonary Disease	0
Diabetes	34
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John B. Cadigan III, MD treated as a cardiologist in Westwood, MA during 2016 were ultrasound (sonogram), cardiac procedures and stress testing.

Volume of procedures performed by Dr. John B. Cadigan III, MD for Medicare patients.

cardiac procedures	47
doctor visit	186
stress testing	19
ultrasound (sonogram)	47

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Cadigan III, MD.

**Gender**
Male	34
Female	40

**Age**
From 65 to 74	28
From 75 to 84	27
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John B. Cadigan III, MD in 2016

Hypertension	75
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	55
Depression	22
Chronic Kidney Disease	30
Asthma	23
Osteoperosis	0
Atrial Fibrilation	31
Heart Failure	34
Chronic Obstructive Pulmonary Disease	20
Diabetes	31
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John B. Cadigan III, MD treated as a cardiologist in Westwood, MA during 2017 were ultrasound (sonogram), cardiac procedures and stress testing.

Volume of procedures performed by Dr. John B. Cadigan III, MD for Medicare patients.

cardiac procedures	60
doctor visit	254
stress testing	19
ultrasound (sonogram)	60

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Cadigan III, MD.

**Gender**
Male	40
Female	43

**Age**
From 65 to 74	28
From 75 to 84	29
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John B. Cadigan III, MD in 2017

Hypertension	75
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	59
Depression	20
Chronic Kidney Disease	29
Asthma	0
Osteoperosis	0
Atrial Fibrilation	34
Heart Failure	34
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. John B. Cadigan III, MD for Medicare patients.

doctor visit	159

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Cadigan III, MD.

**Gender**
Male	47
Female	43

**Age**
From 65 to 74	32
From 75 to 84	33
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John B. Cadigan III, MD in 2018

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	58
Depression	21
Chronic Kidney Disease	40
Asthma	0
Osteoperosis	0
Atrial Fibrilation	36
Heart Failure	36
Chronic Obstructive Pulmonary Disease	0
Diabetes	36
Dementia	16
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John B. Cadigan III, MD treated as a cardiologist in Westwood, MA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. John B. Cadigan III, MD for Medicare patients.

doctor visit	458
hospital care	115
inpatient care	115

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Cadigan III, MD.

**Gender**
Male	98
Female	134

**Ethnicity**
Non-Hispanic White	210
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	79
85 and over	48
Less than 65	19

Conditions of Medicare patients treated by Dr. John B. Cadigan III, MD in 2019

Hypertension	75
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	56
Depression	28
Chronic Kidney Disease	39
Asthma	11
Osteoperosis	15
Atrial Fibrilation	29
Heart Failure	36
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John B. Cadigan III, MD treated as a cardiologist in Westwood, MA during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. John B. Cadigan III, MD for Medicare patients.

doctor visit	434
hospital care	75
inpatient care	75

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Cadigan III, MD.

**Gender**
Male	156
Female	221

**Ethnicity**
Non-Hispanic White	334
Black	20
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	139
85 and over	72
Less than 65	30

Conditions of Medicare patients treated by Dr. John B. Cadigan III, MD in 2020

Hypertension	75
High Cholesterol	60
Stroke	8
Ischemic Heart Disease	56
Depression	27
Chronic Kidney Disease	38
Asthma	12
Osteoperosis	12
Atrial Fibrilation	32
Heart Failure	34
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John B. Cadigan III, MD treated as a cardiologist in Westwood, MA during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. John B. Cadigan III, MD for Medicare patients.

doctor visit	777
hospital care	84
inpatient care	84

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Cadigan III, MD.

**Gender**
Male	197
Female	323

**Ethnicity**
Non-Hispanic White	466
Black	22
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	204
85 and over	93
Less than 65	24

Conditions of Medicare patients treated by Dr. John B. Cadigan III, MD in 2021

Hypertension	75
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	57
Depression	25
Chronic Kidney Disease	37
Asthma	10
Osteoperosis	15
Atrial Fibrilation	35
Heart Failure	32
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John B. Cadigan III, MD treated as a cardiologist in Westwood, MA during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. John B. Cadigan III, MD for Medicare patients.

doctor visit	848
hospital care	120
inpatient care	120

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Cadigan III, MD.

**Gender**
Male	229
Female	396

**Ethnicity**
Non-Hispanic White	544
Black	33
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	208
From 75 to 84	246
85 and over	131
Less than 65	40

Conditions of Medicare patients treated by Dr. John B. Cadigan III, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	46
Depression	23
Chronic Kidney Disease	31
Asthma	15
Osteoperosis	17
Atrial Fibrilation	41
Heart Failure	31
Chronic Obstructive Pulmonary Disease	16
Diabetes	28
Dementia	9
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John B. Cadigan III, MD for Medicare patients.

The highest averages for the top procedures that Dr. John B. Cadigan III, MD treated as a cardiologist in Westwood, MA were lab tests, blood draw, hospital care and inpatient care.

ambulatory monitoring	26
blood draw	361
cardiac procedures	89
doctor visit	382
hospital care	98
inpatient care	98
lab tests	361
nuclear scan	56
stress testing	44
ultrasound (sonogram)	55

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John B. Cadigan III, MD.

**Gender**
Male	90
Female	123

**Ethnicity**
Black / African American	6
Asian / Pacific Islander	0
Non-Hispanic White	141
Native American / Alaskan Native	0
Hispanic	0
Other	3

**Age**
75 to 84	81
85 and over	37
Less than 65	10
65 to 74	69

Average of Total of Conditions of Medicare patients treated by Dr. John B. Cadigan III, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John B. Cadigan III, MD treated were hypertension, high cholesterol, ischemic heart disease and atrial fibrilation.

Hypertension	68
High Cholesterol	60
Stroke	3
Ischemic Heart Disease	52
Depression	16
Chronic Kidney Disease	27
Asthma	9
Osteoporosis	5
Heart Failure	31
Chronic Obstructive Pulmonary Disease	10
Diabetes	27
Atrial Fibrillation	32
Dementia	8
Cancer	9

Education & Training

Dr. John B. Cadigan III, MD graduated from Boston University School of Medicine in 1981. He has a state license in Massachusetts.

Medical School: Boston University School of Medicine (1981)

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. John B. Cadigan III, MD is associated with these hospitals and organizations:

BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC

Mass General Brigham Healthcare Center (Westwood)

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General Payments

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