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Dr. Karen Mary Monaghan, MD

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Specializes in: Internal Medicine (Adult Medicine)

Trinity College Dublin School of Medicine

27 Park Street
Hyannis, MA 02601

(508) 862-5976

Dr. Karen Mary Monaghan, MD is an internist in Hyannis, MA specializing in internal medicine (adult medicine). She graduated from Trinity College Dublin School of Medicine. Dr. Karen Mary Monaghan, MD is affiliated with Cape Cod Healthcare.

Office Locations

27 Park Street
Hyannis, MA 02601

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Noteworthy Medicare Patient Procedures Performed by Dr. Karen Mary Monaghan, 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. Karen Mary Monaghan, 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. Karen Mary Monaghan, MD treated as an internist in Hyannis, MA during 2012 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Karen Mary Monaghan, MD for Medicare patients.

doctor visit	15
hospital care	1246
inpatient care	1218
outpatient care	28

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Karen Mary Monaghan, MD treated as an internist in Hyannis, MA during 2013 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Karen Mary Monaghan, MD for Medicare patients.

hospital care	1071
inpatient care	1042
outpatient care	29

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Mary Monaghan, MD.

**Gender**
Male	310
Female	381

**Ethnicity**
Non-Hispanic White	670
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	242
85 and over	248
Less than 65	69

Conditions of Medicare patients treated by Dr. Karen Mary Monaghan, MD in 2013

Hypertension	75
High Cholesterol	64
Stroke	20
Ischemic Heart Disease	59
Depression	38
Chronic Kidney Disease	47
Asthma	14
Osteoperosis	13
Atrial Fibrilation	30
Heart Failure	43
Chronic Obstructive Pulmonary Disease	35
Diabetes	32
Dementia	28
Cancer	20

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Karen Mary Monaghan, MD treated as an internist in Hyannis, MA during 2014 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Karen Mary Monaghan, MD for Medicare patients.

hospital care	966
inpatient care	923
outpatient care	43

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Mary Monaghan, MD.

**Gender**
Male	292
Female	296

**Ethnicity**
Non-Hispanic White	559
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	134
From 75 to 84	186
85 and over	211
Less than 65	57

Conditions of Medicare patients treated by Dr. Karen Mary Monaghan, MD in 2014

Hypertension	75
High Cholesterol	63
Stroke	17
Ischemic Heart Disease	60
Depression	38
Chronic Kidney Disease	47
Asthma	14
Osteoperosis	13
Atrial Fibrilation	30
Heart Failure	43
Chronic Obstructive Pulmonary Disease	33
Diabetes	35
Dementia	26
Cancer	21

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Karen Mary Monaghan, MD treated as an internist in Hyannis, MA during 2015 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Karen Mary Monaghan, MD for Medicare patients.

hospital care	761
inpatient care	734
outpatient care	27

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Mary Monaghan, MD.

**Gender**
Male	416
Female	474

**Ethnicity**
Non-Hispanic White	850
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	208
From 75 to 84	272
85 and over	310
Less than 65	100

Conditions of Medicare patients treated by Dr. Karen Mary Monaghan, MD in 2015

Hypertension	75
High Cholesterol	67
Stroke	19
Ischemic Heart Disease	61
Depression	40
Chronic Kidney Disease	58
Asthma	24
Osteoperosis	15
Atrial Fibrilation	31
Heart Failure	46
Chronic Obstructive Pulmonary Disease	31
Diabetes	36
Dementia	26
Cancer	19

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Karen Mary Monaghan, MD treated as an internist in Hyannis, MA during 2016 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Karen Mary Monaghan, MD for Medicare patients.

hospital care	778
inpatient care	719
outpatient care	59

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Mary Monaghan, MD.

**Gender**
Male	226
Female	231

**Ethnicity**
Non-Hispanic White	441
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	133
85 and over	151
Less than 65	48

Conditions of Medicare patients treated by Dr. Karen Mary Monaghan, MD in 2016

Hypertension	75
High Cholesterol	69
Stroke	16
Ischemic Heart Disease	57
Depression	46
Chronic Kidney Disease	62
Asthma	37
Osteoperosis	13
Atrial Fibrilation	32
Heart Failure	46
Chronic Obstructive Pulmonary Disease	35
Diabetes	38
Dementia	29
Cancer	23

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Karen Mary Monaghan, MD treated as an internist in Hyannis, MA during 2017 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Karen Mary Monaghan, MD for Medicare patients.

hospital care	744
inpatient care	733
outpatient care	11

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Mary Monaghan, MD.

**Gender**
Male	197
Female	226

**Ethnicity**
Non-Hispanic White	402
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	138
85 and over	136
Less than 65	34

Conditions of Medicare patients treated by Dr. Karen Mary Monaghan, MD in 2017

Hypertension	75
High Cholesterol	64
Stroke	15
Ischemic Heart Disease	57
Depression	46
Chronic Kidney Disease	61
Asthma	13
Osteoperosis	13
Atrial Fibrilation	30
Heart Failure	42
Chronic Obstructive Pulmonary Disease	34
Diabetes	32
Dementia	30
Cancer	23

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Karen Mary Monaghan, MD treated as an internist in Hyannis, MA during 2018 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Karen Mary Monaghan, MD for Medicare patients.

hospital care	791
inpatient care	736
outpatient care	55

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Mary Monaghan, MD.

**Gender**
Male	208
Female	219

**Ethnicity**
Non-Hispanic White	395
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	134
85 and over	144
Less than 65	40

Conditions of Medicare patients treated by Dr. Karen Mary Monaghan, MD in 2018

Hypertension	75
High Cholesterol	66
Stroke	18
Ischemic Heart Disease	60
Depression	46
Chronic Kidney Disease	56
Asthma	12
Osteoperosis	11
Atrial Fibrilation	29
Heart Failure	41
Chronic Obstructive Pulmonary Disease	34
Diabetes	31
Dementia	30
Cancer	22

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Karen Mary Monaghan, MD treated as an internist in Hyannis, MA during 2019 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Karen Mary Monaghan, MD for Medicare patients.

hospital care	684
inpatient care	669
outpatient care	15

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Mary Monaghan, MD.

**Gender**
Male	184
Female	228

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

**Age**
From 65 to 74	109
From 75 to 84	123
85 and over	141
Less than 65	39

Conditions of Medicare patients treated by Dr. Karen Mary Monaghan, MD in 2019

Hypertension	75
High Cholesterol	69
Stroke	15
Ischemic Heart Disease	59
Depression	43
Chronic Kidney Disease	60
Asthma	11
Osteoperosis	12
Atrial Fibrilation	31
Heart Failure	43
Chronic Obstructive Pulmonary Disease	30
Diabetes	32
Dementia	31
Cancer	21

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Karen Mary Monaghan, MD treated as an internist in Hyannis, MA during 2020 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Karen Mary Monaghan, MD for Medicare patients.

hospital care	756
inpatient care	742
outpatient care	14

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Mary Monaghan, MD.

**Gender**
Male	197
Female	254

**Ethnicity**
Non-Hispanic White	430
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	152
85 and over	134
Less than 65	52

Conditions of Medicare patients treated by Dr. Karen Mary Monaghan, MD in 2020

Hypertension	75
High Cholesterol	72
Stroke	15
Ischemic Heart Disease	61
Depression	48
Chronic Kidney Disease	61
Asthma	10
Osteoperosis	12
Atrial Fibrilation	29
Heart Failure	39
Chronic Obstructive Pulmonary Disease	27
Diabetes	33
Dementia	33
Cancer	19

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Karen Mary Monaghan, MD treated as an internist in Hyannis, MA during 2021 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Karen Mary Monaghan, MD for Medicare patients.

hospital care	611
inpatient care	572
outpatient care	39

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Mary Monaghan, MD.

**Gender**
Male	212
Female	210

**Ethnicity**
Non-Hispanic White	394
Black	0
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	150
85 and over	135
Less than 65	36

Conditions of Medicare patients treated by Dr. Karen Mary Monaghan, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	63
Depression	42
Chronic Kidney Disease	60
Asthma	11
Osteoperosis	12
Atrial Fibrilation	31
Heart Failure	39
Chronic Obstructive Pulmonary Disease	28
Diabetes	34
Dementia	32
Cancer	19

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Karen Mary Monaghan, MD treated as an internist in Hyannis, MA during 2022 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Karen Mary Monaghan, MD for Medicare patients.

hospital care	836
inpatient care	791
outpatient care	45

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Mary Monaghan, MD.

**Gender**
Male	232
Female	236

**Ethnicity**
Non-Hispanic White	443
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	154
85 and over	144
Less than 65	37

Conditions of Medicare patients treated by Dr. Karen Mary Monaghan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	26
Ischemic Heart Disease	49
Depression	39
Chronic Kidney Disease	46
Asthma	17
Osteoperosis	18
Atrial Fibrilation	42
Heart Failure	42
Chronic Obstructive Pulmonary Disease	35
Diabetes	34
Dementia	27
Cancer	25

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Karen Mary Monaghan, MD treated as an internist in Hyannis, MA during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Karen Mary Monaghan, MD for Medicare patients.

hospital care	692
inpatient care	692

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Mary Monaghan, MD.

**Gender**
Male	197
Female	211

**Ethnicity**
Non-Hispanic White	377
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	156
85 and over	121
Less than 65	24

Conditions of Medicare patients treated by Dr. Karen Mary Monaghan, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	29
Ischemic Heart Disease	51
Depression	41
Chronic Kidney Disease	47
Asthma	16
Osteoperosis	15
Atrial Fibrilation	43
Heart Failure	43
Chronic Obstructive Pulmonary Disease	35
Diabetes	33
Dementia	22
Cancer	25

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Karen Mary Monaghan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Karen Mary Monaghan, MD treated as an internist in Hyannis, MA were hospital care, inpatient care and outpatient care.

doctor visit	15
hospital care	828
inpatient care	797
outpatient care	33

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Karen Mary Monaghan, MD.

**Gender**
Male	222
Female	247

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	446
Hispanic	1
Native American / Alaskan Native	0
Other	3

**Age**
75 to 84	153
85 and over	156
Less than 65	44
65 to 74	115

Average of Total of Conditions of Medicare patients treated by Dr. Karen Mary Monaghan, MD From 2012 - 2023

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

Hypertension	68
High Cholesterol	63
Stroke	17
Ischemic Heart Disease	53
Depression	38
Chronic Kidney Disease	50
Asthma	14
Osteoporosis	12
Heart Failure	38
Chronic Obstructive Pulmonary Disease	29
Diabetes	30
Atrial Fibrillation	29
Cancer	19
Dementia	26

Education & Training

Dr. Karen Mary Monaghan, MD graduated from Trinity College Dublin School of Medicine. She completed residency at Massachusetts General Hospital. She is certified by the American Board of Internal Medicine and has a state license in Massachusetts.

Medical School: Trinity College Dublin School of Medicine

Residency: Massachusetts General Hospital

Board Certification: American Board of Internal Medicine

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Karen Mary Monaghan, MD is associated with these hospitals and organizations:

Cape Cod Healthcare

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General Payments

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

**Payments by Company**
Medtronic Sofamor Danek USA, Inc.	$223 Interventional Therapies $129	$94
Janssen Pharmaceuticals, Inc	$171 XARELTO $171
Boehringer Ingelheim Pharmaceuticals, Inc.	$24 Pradaxa $24
E.R. Squibb & Sons, L.L.C.	$20 CAMZYOS $20
SANOFI-AVENTIS U.S. LLC	$10 LANTUS $10

**Types of Payments**
Food and Beverage	$448

Biography

Dr. Karen Monaghan is a graduate of Trinity College Dublin School of Medicine. She completed her residency training at Massachusetts General Hospital and Children's Hospital Boston. She is professionally affiliated with Cape Cod Healthcare.