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Home > MA Providers

Dr. Mark R. Desnoyers, MD

Accepting New Patients

(427 Ratings)

Specializes in: Adult Cardiology

Harvard Medical School (1981)

49 State Road Pequot Building, Suite 104
North Dartmouth, MA 02740

(508) 973-6650

Dr. Mark R. Desnoyers, MD is a cardiologist in Dartmouth, MA specializing in adult cardiology. He graduated from Harvard Medical School in 1981 and has 45 years of experience. Dr. Mark R. Desnoyers, MD is affiliated with Southcoast Health and SOUTHCOAST PHYSICIANS GROUP INC.

Office Locations

49 State Road Pequot Building, Suite 104
Dartmouth, MA 02747

open_in_new

49 State Road Pequot Building, Suite 104
North Dartmouth, MA 02740

(508) 973-6650

(508) 973-0345

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Noteworthy Medicare Patient Procedures Performed by Dr. Mark R. Desnoyers, MD in 2023

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

Top 5%

By Volume:

inpatient hospital care

prothrombin time test

By Affordability:

blood draw

blood draw for lab tests

phlebotomy for lab tests

venipuncture

In 2023, among providers in related specialties within Massachusetts, Dr. Mark R. Desnoyers, MD performed more inpatient hospital care (for patient admitted to hospital), and prothrombin time (PT) test procedures for Medicare patients than 95% of them and he also had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 95% 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 10%

By Affordability:

stress EKG

In 2023, Dr. Mark R. Desnoyers, MD had a list price for stress EKG that was lower than the list prices billed to Medicare by 90% 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 25%

By Volume:

blood tests

cardiac stress testing

cardiac procedures

Holter monitoring

myocardial perfusion SPECT

nuclear scan

By Affordability:

ambulatory cardiac monitoring

ambulatory monitoring

blood tests

cardiac stress testing

inpatient hospital care

lab tests

myocardial perfusion SPECT

In 2012, among providers in related specialties within Massachusetts, Dr. Mark R. Desnoyers, MD performed more blood tests, cardiac (heart) stress testing, cardiac procedures, Holter monitoring, myocardial perfusion SPECT, and nuclear scan procedures for Medicare patients than 75% of them and he also had a list price for ambulatory cardiac monitoring, ambulatory monitoring, blood tests, cardiac (heart) stress testing, electrocardiogram (EKG), Holter monitoring, hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), lab tests, myocardial perfusion SPECT, nuclear scan, nuclear stress test (myocardial perfusion imaging), SPECT scan, and stress testing 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. Mark R. Desnoyers, MD treated as a cardiologist in Dartmouth, MA during 2012 were lab tests, blood draw, cardiac procedures and preventive care.

Volume of procedures performed by Dr. Mark R. Desnoyers, MD for Medicare patients.

ambulatory monitoring	143
blood draw	3876
breast exam	14
cardiac procedures	2195
catheterization	75
cytology	17
diabetes management	500
diagnostic procedures	75
doctor visit	2970
gynecologic pathology	17
gynecologic procedures	14
hospital care	1163
inpatient care	1093
lab tests	9852
minimally invasive procedures	75
nuclear scan	628
outpatient care	70
preventive care	1991
stress testing	1004
thyroid function tests	321
ultrasound (sonogram)	973
vaccines	144
vascular procedures	75

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark R. Desnoyers, MD treated as a cardiologist in Dartmouth, MA during 2013 were lab tests, blood draw, cardiac procedures and preventive care.

Volume of procedures performed by Dr. Mark R. Desnoyers, MD for Medicare patients.

ambulatory monitoring	132
blood draw	3937
cardiac procedures	1939
catheterization	54
diabetes management	514
diagnostic procedures	54
doctor visit	2476
hospital care	1512
inpatient care	1436
lab tests	9338
minimally invasive procedures	54
nuclear scan	486
outpatient care	76
preventive care	1938
stress testing	796
thyroid function tests	372
ultrasound (sonogram)	957
vaccines	94
vascular procedures	54

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark R. Desnoyers, MD.

**Gender**
Male	979
Female	1123

**Ethnicity**
Non-Hispanic White	1754
Black	82
Hispanic	213
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	656
From 75 to 84	563
85 and over	421
Less than 65	462

Conditions of Medicare patients treated by Dr. Mark R. Desnoyers, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	55
Depression	30
Chronic Kidney Disease	27
Asthma	12
Osteoperosis	8
Atrial Fibrilation	22
Heart Failure	33
Chronic Obstructive Pulmonary Disease	27
Diabetes	43
Dementia	18
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark R. Desnoyers, MD treated as a cardiologist in Dartmouth, MA during 2014 were blood draw, lab tests, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Mark R. Desnoyers, MD for Medicare patients.

ambulatory monitoring	146
blood draw	2580
cardiac procedures	1645
catheterization	34
diabetes management	103
diagnostic procedures	34
doctor visit	2275
hospital care	778
inpatient care	778
lab tests	1828
minimally invasive procedures	34
nuclear scan	295
preventive care	481
stress testing	547
thyroid function tests	75
ultrasound (sonogram)	918
vaccines	103
vascular procedures	34

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark R. Desnoyers, MD.

**Gender**
Male	796
Female	889

**Ethnicity**
Non-Hispanic White	1441
Black	53
Hispanic	141
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	568
From 75 to 84	476
85 and over	320
Less than 65	321

Conditions of Medicare patients treated by Dr. Mark R. Desnoyers, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	59
Depression	27
Chronic Kidney Disease	28
Asthma	11
Osteoperosis	6
Atrial Fibrilation	26
Heart Failure	35
Chronic Obstructive Pulmonary Disease	25
Diabetes	46
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark R. Desnoyers, MD treated as a cardiologist in Dartmouth, MA during 2015 were blood draw, cardiac procedures, ultrasound (sonogram) and hospital care.

Volume of procedures performed by Dr. Mark R. Desnoyers, MD for Medicare patients.

ambulatory monitoring	122
blood draw	2583
cardiac procedures	1203
doctor visit	2453
hospital care	672
inpatient care	672
nuclear scan	197
preventive care	110
stress testing	416
ultrasound (sonogram)	682
vaccines	110

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark R. Desnoyers, MD.

**Gender**
Male	1762
Female	1896

**Ethnicity**
Non-Hispanic White	3114
Black	94
Hispanic	346
Asian	0
Other	82
Native American	0

**Age**
From 65 to 74	1248
From 75 to 84	1058
85 and over	672
Less than 65	680

Conditions of Medicare patients treated by Dr. Mark R. Desnoyers, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	60
Depression	29
Chronic Kidney Disease	30
Asthma	20
Osteoperosis	7
Atrial Fibrilation	29
Heart Failure	34
Chronic Obstructive Pulmonary Disease	27
Diabetes	44
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark R. Desnoyers, MD treated as a cardiologist in Dartmouth, MA during 2016 were blood draw, cardiac procedures, inpatient care and hospital care.

Volume of procedures performed by Dr. Mark R. Desnoyers, MD for Medicare patients.

ambulatory monitoring	132
blood draw	1887
cardiac procedures	1168
catheterization	19
diagnostic procedures	19
doctor visit	2969
hospital care	934
inpatient care	934
minimally invasive procedures	19
nuclear scan	215
preventive care	162
stress testing	446
ultrasound (sonogram)	586
vaccines	162
vascular procedures	19

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark R. Desnoyers, MD.

**Gender**
Male	1065
Female	1086

**Ethnicity**
Non-Hispanic White	1825
Black	69
Hispanic	185
Asian	0
Other	60
Native American	0

**Age**
From 65 to 74	763
From 75 to 84	561
85 and over	401
Less than 65	426

Conditions of Medicare patients treated by Dr. Mark R. Desnoyers, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	63
Depression	31
Chronic Kidney Disease	37
Asthma	32
Osteoperosis	8
Atrial Fibrilation	27
Heart Failure	36
Chronic Obstructive Pulmonary Disease	28
Diabetes	43
Dementia	16
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark R. Desnoyers, MD treated as a cardiologist in Dartmouth, MA during 2017 were blood draw, cardiac procedures, inpatient care and hospital care.

Volume of procedures performed by Dr. Mark R. Desnoyers, MD for Medicare patients.

ambulatory monitoring	73
blood draw	1845
cardiac procedures	942
catheterization	13
diagnostic procedures	13
doctor visit	3116
hospital care	767
inpatient care	767
minimally invasive procedures	13
nuclear scan	170
preventive care	206
stress testing	361
ultrasound (sonogram)	512
vaccines	206
vascular procedures	13

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark R. Desnoyers, MD.

**Gender**
Male	1031
Female	1095

**Ethnicity**
Non-Hispanic White	1794
Black	45
Hispanic	207
Asian	0
Other	67
Native American	0

**Age**
From 65 to 74	744
From 75 to 84	612
85 and over	366
Less than 65	404

Conditions of Medicare patients treated by Dr. Mark R. Desnoyers, MD in 2017

Hypertension	75
High Cholesterol	45
Stroke	8
Ischemic Heart Disease	63
Depression	31
Chronic Kidney Disease	40
Asthma	13
Osteoperosis	8
Atrial Fibrilation	26
Heart Failure	35
Chronic Obstructive Pulmonary Disease	28
Diabetes	42
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark R. Desnoyers, MD treated as a cardiologist in Dartmouth, MA during 2018 were cardiac procedures, inpatient care, hospital care and ultrasound (sonogram).

Volume of procedures performed by Dr. Mark R. Desnoyers, MD for Medicare patients.

ambulatory monitoring	94
cardiac procedures	909
catheterization	21
diagnostic procedures	21
doctor visit	3227
hospital care	760
inpatient care	760
minimally invasive procedures	21
nuclear scan	141
preventive care	171
stress testing	309
ultrasound (sonogram)	507
vaccines	171
vascular procedures	21

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark R. Desnoyers, MD.

**Gender**
Male	981
Female	998

**Ethnicity**
Non-Hispanic White	1639
Black	52
Hispanic	201
Asian	0
Other	72
Native American	0

**Age**
From 65 to 74	685
From 75 to 84	586
85 and over	324
Less than 65	384

Conditions of Medicare patients treated by Dr. Mark R. Desnoyers, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	62
Depression	32
Chronic Kidney Disease	39
Asthma	10
Osteoperosis	9
Atrial Fibrilation	26
Heart Failure	36
Chronic Obstructive Pulmonary Disease	27
Diabetes	42
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark R. Desnoyers, MD treated as a cardiologist in Dartmouth, MA during 2019 were cardiac procedures, inpatient care, hospital care and ultrasound (sonogram).

Volume of procedures performed by Dr. Mark R. Desnoyers, MD for Medicare patients.

ambulatory monitoring	69
cardiac procedures	933
catheterization	13
diagnostic procedures	13
doctor visit	3087
hospital care	833
inpatient care	833
minimally invasive procedures	13
nuclear scan	159
preventive care	144
stress testing	344
ultrasound (sonogram)	526
vaccines	144
vascular procedures	13

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark R. Desnoyers, MD.

**Gender**
Male	1091
Female	1183

**Ethnicity**
Non-Hispanic White	1901
Black	0
Hispanic	218
Asian	0
Other	87
Native American	0

**Age**
From 65 to 74	783
From 75 to 84	663
85 and over	368
Less than 65	460

Conditions of Medicare patients treated by Dr. Mark R. Desnoyers, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	60
Depression	35
Chronic Kidney Disease	41
Asthma	12
Osteoperosis	9
Atrial Fibrilation	27
Heart Failure	37
Chronic Obstructive Pulmonary Disease	29
Diabetes	40
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark R. Desnoyers, MD treated as a cardiologist in Dartmouth, MA during 2020 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. Mark R. Desnoyers, MD for Medicare patients.

ambulatory monitoring	78
blood draw	30
cardiac procedures	772
doctor visit	2004
hospital care	641
inpatient care	641
nuclear scan	128
preventive care	108
stress testing	259
ultrasound (sonogram)	435
vaccines	108

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark R. Desnoyers, MD.

**Gender**
Male	897
Female	956

**Ethnicity**
Non-Hispanic White	1541
Black	57
Hispanic	164
Asian	0
Other	80
Native American	0

**Age**
From 65 to 74	663
From 75 to 84	596
85 and over	291
Less than 65	303

Conditions of Medicare patients treated by Dr. Mark R. Desnoyers, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	59
Depression	32
Chronic Kidney Disease	43
Asthma	11
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	34
Chronic Obstructive Pulmonary Disease	26
Diabetes	41
Dementia	18
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark R. Desnoyers, MD treated as a cardiologist in Dartmouth, MA during 2021 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. Mark R. Desnoyers, MD for Medicare patients.

ambulatory monitoring	58
blood draw	38
cardiac procedures	856
doctor visit	2287
hospital care	661
inpatient care	661
nuclear scan	129
preventive care	80
stress testing	265
ultrasound (sonogram)	533
vaccines	80

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark R. Desnoyers, MD.

**Gender**
Male	962
Female	998

**Ethnicity**
Non-Hispanic White	1622
Black	62
Hispanic	178
Asian	0
Other	86
Native American	0

**Age**
From 65 to 74	691
From 75 to 84	627
85 and over	300
Less than 65	342

Conditions of Medicare patients treated by Dr. Mark R. Desnoyers, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	58
Depression	33
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	10
Atrial Fibrilation	26
Heart Failure	36
Chronic Obstructive Pulmonary Disease	25
Diabetes	41
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark R. Desnoyers, MD treated as a cardiologist in Dartmouth, MA during 2022 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. Mark R. Desnoyers, MD for Medicare patients.

ambulatory monitoring	85
blood draw	27
cardiac procedures	871
doctor visit	2246
hospital care	695
inpatient care	695
nuclear scan	123
stress testing	269
ultrasound (sonogram)	538

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark R. Desnoyers, MD.

**Gender**
Male	950
Female	984

**Ethnicity**
Non-Hispanic White	1602
Black	59
Hispanic	174
Asian	0
Other	84
Native American	0

**Age**
From 65 to 74	640
From 75 to 84	662
85 and over	320
Less than 65	312

Conditions of Medicare patients treated by Dr. Mark R. Desnoyers, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	49
Depression	31
Chronic Kidney Disease	32
Asthma	15
Osteoperosis	15
Atrial Fibrilation	34
Heart Failure	34
Chronic Obstructive Pulmonary Disease	28
Diabetes	39
Dementia	12
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark R. Desnoyers, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark R. Desnoyers, MD treated as a cardiologist in Dartmouth, MA were lab tests, blood draw, cardiac procedures and hospital care.

ambulatory monitoring	102
blood draw	1867
breast exam	14
cardiac procedures	1221
catheterization	32
cytology	17
diabetes management	372
diagnostic procedures	32
doctor visit	2646
gynecologic pathology	17
gynecologic procedures	14
hospital care	856
inpatient care	842
lab tests	7006
minimally invasive procedures	32
nuclear scan	242
outpatient care	73
preventive care	539
stress testing	456
thyroid function tests	256
ultrasound (sonogram)	651
vaccines	132
vascular procedures	32

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark R. Desnoyers, MD.

**Gender**
Male	955
Female	1018

**Ethnicity**
Black / African American	52
Asian / Pacific Islander	0
Non-Hispanic White	1657
Native American / Alaskan Native	0
Hispanic	184
Other	56

**Age**
75 to 84	582
85 and over	343
Less than 65	372
65 to 74	676

Average of Total of Conditions of Medicare patients treated by Dr. Mark R. Desnoyers, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mark R. Desnoyers, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	65
Stroke	9
Ischemic Heart Disease	53
Depression	28
Chronic Kidney Disease	32
Asthma	13
Osteoporosis	8
Heart Failure	31
Chronic Obstructive Pulmonary Disease	24
Diabetes	38
Atrial Fibrillation	24
Dementia	14
Cancer	12

Education & Training

Dr. Mark R. Desnoyers, MD graduated from Harvard Medical School in 1981. He is certified by the internal medicine with a subspecialty board certification in cardiovascular disease and has a state license in Massachusetts.

Medical School: Harvard Medical School (1981)

Board Certification: internal medicine with a subspecialty board certification in cardiovascular disease

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Mark R. Desnoyers, MD is associated with these hospitals and organizations:

Southcoast Health

SOUTHCOAST PHYSICIANS GROUP INC

Ratings & Reviews

Dr. Mark R. Desnoyers, MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 427 ratings. We collect ratings and reviews of Dr. Mark R. Desnoyers, MD from all over the web to help you find the right in Dartmouth, MA.

4.9

Overall Rating

(427 Ratings)

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General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$626 XARELTO $609	INVOKANA $17
Amgen Inc.	$541 Repatha $217	Corlanor $58	$266
Boehringer Ingelheim Pharmaceuticals, Inc.	$446 Pradaxa $278	COMBIVENT RESPIMAT $45	Praxbind $19	SPIRIVA RESPIMAT $18	Spiriva $12	Other $75
AstraZeneca Pharmaceuticals LP	$379 BRILINTA $186	CRESTOR $99	BYDUREON WEEKLY $53	FARXIGA $35	BYDUREON $5
GlaxoSmithKline, LLC.	$297 BREO $70	INCRUSE $51	ANORO $45	TANZEUM $40	$92
Other	$2,238 ELIQUIS $382	JUXTAPID $177	ENTRESTO $155	Belviq $123	XARELTO $101	Other $1,299

**Types of Payments**
Food and Beverage	$4,112
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$225
Education	$190

Biography

Dr. Mark Desnoyers is a specialist in adult cardiology in North Dartmouth, MA and Dartmouth, MA. He is rated highly by his patients. Dr. Desnoyers is affiliated with Southcoast Health. He has an open panel in Dartmouth, MA according to Southcoast Health. He attended medical school at Harvard Medical School.