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Dr. Mark I. Jacobs, MD

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Specializes in: Adult Cardiology

5 Founders Street Suite 102
Willimantic, CT 06226

(860) 456-2898

Dr. Mark I. Jacobs, MD is a cardiologist in Willimantic, CT specializing in adult cardiology.

Office Locations

5 Founders Street Suite 102
Willimantic, CT 06226

(860) 456-2898

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9 Healthcare Drive Suite 105
Biddeford, ME 04005

(207) 282-3666

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Noteworthy Medicare Patient Procedures Performed by Dr. Mark I. Jacobs, MD in 2023

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

Top 5%

By Affordability:

cardiac imaging

echocardiogram

In 2023, Dr. Mark I. Jacobs, MD had a list price for cardiac imaging, and echocardiogram (echo) that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Connecticut. 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:

color Doppler echocardiography

Doppler echocardiography

spectral Doppler echocardiography

transthoracic echocardiography

In 2023, Dr. Mark I. Jacobs, MD had a list price for color Doppler echocardiography, Doppler echocardiography, spectral Doppler echocardiography, and transthoracic echocardiography (TTE) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Connecticut. 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:

inpatient hospital care

By Affordability:

electrocardiogram

stress EKG

In 2012, among providers in related specialties within Connecticut, Dr. Mark I. Jacobs, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of them and he also had a list price for electrocardiogram (EKG), and stress EKG 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 I. Jacobs, MD treated as a cardiologist in Willimantic, CT during 2012 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Mark I. Jacobs, MD for Medicare patients.

ambulatory monitoring	315
cardiac procedures	1409
cardioversion	13
doctor visit	933
hospital care	288
implant surgery	29
inpatient care	288
minimally invasive procedures	52
nuclear scan	341
stress testing	623
ultrasound (sonogram)	622
vascular procedures	163

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark I. Jacobs, MD treated as a cardiologist in Willimantic, CT during 2013 were cardiac procedures, ultrasound (sonogram), stress testing and ambulatory monitoring.

Volume of procedures performed by Dr. Mark I. Jacobs, MD for Medicare patients.

ambulatory monitoring	315
cardiac procedures	1374
doctor visit	1001
hospital care	165
implant surgery	26
inpatient care	165
minimally invasive procedures	46
nuclear scan	299
stress testing	518
ultrasound (sonogram)	663
vascular procedures	127

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark I. Jacobs, MD.

**Gender**
Male	498
Female	413

**Ethnicity**
Non-Hispanic White	887
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	291
From 75 to 84	363
85 and over	215
Less than 65	42

Conditions of Medicare patients treated by Dr. Mark I. Jacobs, MD in 2013

Hypertension	75
High Cholesterol	71
Stroke	6
Ischemic Heart Disease	75
Depression	18
Chronic Kidney Disease	29
Asthma	6
Osteoperosis	6
Atrial Fibrilation	39
Heart Failure	33
Chronic Obstructive Pulmonary Disease	18
Diabetes	37
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark I. Jacobs, MD treated as a cardiologist in Willimantic, CT during 2014 were cardiac procedures, ultrasound (sonogram), stress testing and ambulatory monitoring.

Volume of procedures performed by Dr. Mark I. Jacobs, MD for Medicare patients.

ambulatory monitoring	333
cardiac procedures	1230
catheterization	11
diagnostic procedures	11
doctor visit	1067
hospital care	84
implant surgery	20
inpatient care	84
minimally invasive procedures	53
nuclear scan	242
stress testing	453
ultrasound (sonogram)	461
vascular procedures	38

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark I. Jacobs, MD.

**Gender**
Male	420
Female	359

**Ethnicity**
Non-Hispanic White	752
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	274
From 75 to 84	295
85 and over	173
Less than 65	37

Conditions of Medicare patients treated by Dr. Mark I. Jacobs, MD in 2014

Hypertension	75
High Cholesterol	70
Stroke	8
Ischemic Heart Disease	75
Depression	18
Chronic Kidney Disease	28
Asthma	6
Osteoperosis	6
Atrial Fibrilation	42
Heart Failure	33
Chronic Obstructive Pulmonary Disease	16
Diabetes	35
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark I. Jacobs, MD treated as a cardiologist in Willimantic, CT during 2015 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Mark I. Jacobs, MD for Medicare patients.

ambulatory monitoring	339
cardiac procedures	1428
cardioversion	26
doctor visit	1047
hospital care	190
implant surgery	14
inpatient care	190
minimally invasive procedures	49
nuclear scan	385
stress testing	631
ultrasound (sonogram)	512
vascular procedures	52

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark I. Jacobs, MD.

**Gender**
Male	1114
Female	846

**Ethnicity**
Non-Hispanic White	1892
Black	0
Hispanic	0
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	708
From 75 to 84	718
85 and over	404
Less than 65	130

Conditions of Medicare patients treated by Dr. Mark I. Jacobs, MD in 2015

Hypertension	75
High Cholesterol	73
Stroke	9
Ischemic Heart Disease	75
Depression	20
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	6
Atrial Fibrilation	38
Heart Failure	33
Chronic Obstructive Pulmonary Disease	18
Diabetes	37
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark I. Jacobs, MD treated as a cardiologist in Willimantic, CT during 2016 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Mark I. Jacobs, MD for Medicare patients.

ambulatory monitoring	247
cardiac procedures	1150
cardioversion	20
doctor visit	909
hospital care	78
implant surgery	13
inpatient care	78
minimally invasive procedures	45
nuclear scan	337
stress testing	526
ultrasound (sonogram)	376

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark I. Jacobs, MD.

**Gender**
Male	552
Female	420

**Ethnicity**
Non-Hispanic White	937
Black	0
Hispanic	0
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	344
From 75 to 84	372
85 and over	199
Less than 65	57

Conditions of Medicare patients treated by Dr. Mark I. Jacobs, MD in 2016

Hypertension	75
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	75
Depression	23
Chronic Kidney Disease	33
Asthma	20
Osteoperosis	6
Atrial Fibrilation	35
Heart Failure	33
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	14
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark I. Jacobs, MD treated as a cardiologist in Willimantic, CT during 2017 were cardiac procedures, ultrasound (sonogram), stress testing and ambulatory monitoring.

Volume of procedures performed by Dr. Mark I. Jacobs, MD for Medicare patients.

ambulatory monitoring	209
cardiac procedures	851
cardioversion	11
doctor visit	739
hospital care	43
inpatient care	43
minimally invasive procedures	20
nuclear scan	208
stress testing	322
ultrasound (sonogram)	333

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark I. Jacobs, MD.

**Gender**
Male	388
Female	306

**Ethnicity**
Non-Hispanic White	668
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	236
From 75 to 84	279
85 and over	145
Less than 65	34

Conditions of Medicare patients treated by Dr. Mark I. Jacobs, MD in 2017

Hypertension	75
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	75
Depression	22
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	6
Atrial Fibrilation	35
Heart Failure	32
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark I. Jacobs, MD treated as a cardiologist in Willimantic, CT during 2018 were cardiac procedures, ultrasound (sonogram), stress testing and ambulatory monitoring.

Volume of procedures performed by Dr. Mark I. Jacobs, MD for Medicare patients.

ambulatory monitoring	294
cardiac procedures	985
cardioversion	17
doctor visit	776
minimally invasive procedures	19
nuclear scan	173
stress testing	349
ultrasound (sonogram)	355

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark I. Jacobs, MD.

**Gender**
Male	277
Female	224

**Ethnicity**
Non-Hispanic White	485
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	153
From 75 to 84	212
85 and over	120
Less than 65	16

Conditions of Medicare patients treated by Dr. Mark I. Jacobs, MD in 2018

Hypertension	75
High Cholesterol	70
Stroke	5
Ischemic Heart Disease	75
Depression	22
Chronic Kidney Disease	32
Asthma	6
Osteoperosis	6
Atrial Fibrilation	39
Heart Failure	30
Chronic Obstructive Pulmonary Disease	17
Diabetes	32
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark I. Jacobs, MD treated as a cardiologist in Willimantic, CT during 2019 were cardiac procedures, ultrasound (sonogram), stress testing and ambulatory monitoring.

Volume of procedures performed by Dr. Mark I. Jacobs, MD for Medicare patients.

ambulatory monitoring	229
cardiac procedures	794
doctor visit	689
minimally invasive procedures	11
nuclear scan	137
stress testing	280
ultrasound (sonogram)	285

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark I. Jacobs, MD.

**Gender**
Male	266
Female	198

**Ethnicity**
Non-Hispanic White	449
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	158
From 75 to 84	174
85 and over	108
Less than 65	24

Conditions of Medicare patients treated by Dr. Mark I. Jacobs, MD in 2019

Hypertension	0
High Cholesterol	0
Stroke	7
Ischemic Heart Disease	75
Depression	23
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	7
Atrial Fibrilation	37
Heart Failure	37
Chronic Obstructive Pulmonary Disease	16
Diabetes	33
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark I. Jacobs, MD treated as a cardiologist in Willimantic, CT during 2020 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Mark I. Jacobs, MD for Medicare patients.

cardiac procedures	516
cardioversion	16
doctor visit	546
minimally invasive procedures	18
nuclear scan	134
stress testing	270
ultrasound (sonogram)	246

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark I. Jacobs, MD.

**Gender**
Male	241
Female	182

**Ethnicity**
Non-Hispanic White	406
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	172
85 and over	90
Less than 65	12

Conditions of Medicare patients treated by Dr. Mark I. Jacobs, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	74
Depression	23
Chronic Kidney Disease	33
Asthma	7
Osteoperosis	6
Atrial Fibrilation	35
Heart Failure	33
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark I. Jacobs, MD treated as a cardiologist in Willimantic, CT during 2021 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

Volume of procedures performed by Dr. Mark I. Jacobs, MD for Medicare patients.

cardiac procedures	449
doctor visit	543
minimally invasive procedures	13
nuclear scan	104
stress testing	212
ultrasound (sonogram)	237

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark I. Jacobs, MD.

**Gender**
Male	248
Female	168

**Ethnicity**
Non-Hispanic White	401
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	170
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark I. Jacobs, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	74
Depression	19
Chronic Kidney Disease	34
Asthma	8
Osteoperosis	9
Atrial Fibrilation	40
Heart Failure	36
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2021

Volume of procedures performed by Dr. Mark I. Jacobs, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark I. Jacobs, MD treated as a cardiologist in Willimantic, CT were cardiac procedures, stress testing, ultrasound (sonogram) and ambulatory monitoring.

ambulatory monitoring	285
cardiac procedures	1018
cardioversion	17
catheterization	11
diagnostic procedures	11
doctor visit	825
hospital care	141
implant surgery	20
inpatient care	141
minimally invasive procedures	32
nuclear scan	236
stress testing	418
ultrasound (sonogram)	409
vascular procedures	95

Average Medicare Patient Data From 2012 - 2021

Information about Medicare patients treated by Dr. Mark I. Jacobs, MD.

**Gender**
Female	311
Male	400

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	687
Hispanic	0
Native American / Alaskan Native	0
Other	6

**Age**
85 and over	145
75 to 84	275
Less than 65	35
65 to 74	245

Average of Total of Conditions of Medicare patients treated by Dr. Mark I. Jacobs, MD From 2012 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. Mark I. Jacobs, MD treated were ischemic heart disease, hypertension, high cholesterol and atrial fibrilation.

Hypertension	60
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	67
Depression	18
Chronic Kidney Disease	28
Asthma	8
Osteoporosis	5
Heart Failure	30
Chronic Obstructive Pulmonary Disease	15
Diabetes	29
Atrial Fibrillation	34
Dementia	11
Cancer	11

Education & Training

He has a state license in New Hampshire.

Licensed In: New Hampshire

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General Payments

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

**Payments by Company**
Abbott Laboratories	$1,153 Confirm Rx $546	Quadra Assura CRT Defibrillator $254	Assurity Pacemaker $128	AVEIR $90	Pacemakers $90	Other $44
St. Jude Medical, Inc.	$937 CRM $641	Unify Assura $84	Microny ll SR plus Pacemaker $80	Allure $80	CardioMEMS HF System $37	Other $16
Medtronic Vascular, Inc.	$257 STENTS $111	Resolute $55	Reveal LINQ $31	Implantable Cardioverter Defibrillators - ICDs $29	CareLink $22	Other $9
Boston Scientific Corporation	$194 WATCHMAN $119	Rotablator $21	Watchman Device $21	Emblem S-ICD $16	STENTS $16
Edwards Lifesciences Corporation	$127 Edwards SAPIEN 3 Transcatheter Heart Valve $127
Other	$895 Corlanor $112	LifeVest $97	XARELTO $91	KENGREAL $56	Vascular Closure Device $46	Other $494