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Dr. David J. Kahan, MD

Accepting New Patients

(No ratings)

Specializes in: Adult Cardiology
Tufts University School of Medicine
Professional interests include: preventive cardiology, hypertension (high blood pressure), coronary artery disease, and more.
131 Old Road To Nine Acre Corner Suite 330
Concord, MA 01742

Dr. David J. Kahan, MD is a cardiologist in Concord, MA specializing in adult cardiology. He graduated from Tufts University School of Medicine. Dr. David J. Kahan, MD is affiliated with Emerson Health.

View Doctor's Full Profile (978) 287-8767

Office Locations

Emerson Health

131 Old Road To Nine Acre Corner Suite 330
Concord, MA 01742
(978) 287-8767
open_in_new
480 Maple Street Suite 104
Danvers, MA 01923
(978) 304-8360
(978) 304-8320
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Some issues Dr. David J. Kahan, MD can help you with:

Coronary Artery Disease

Coronary artery disease (CAD) is the most common type of heart disease. It happens when the blood vessels carrying blood to the heart, called coronary arteries, narrow and harden. This occurs when cholesterol, a type of fat found in the blood, builds up to form plaque, which sticks to the inner walls of the arteries. As plaque accumulates, less blood can flow through the arteries, which may lead to the following:

  • Angina, which is chest pain that occurs when the heart does not receive enough blood flow.
  • Heart attack, which happens if the arteries leading to the heart are completely blocked.
  • Arrhythmia, or irregular heartbeat, which can develop if the heart does not have enough blood supply.
  • Heart failure, which may occur if a heart attack damages the heart and it becomes too weak to pump enough blood to the rest of the body.

Certain factors may increase risk for the disease, like smoking, lack of exercise, being overweight, high cholesterol, high blood pressure, and diabetes. CAD tends to develop over decades, so it can go undetected until it has become quite severe. A diagnosis may be established using such tests as:

  • Electrocardiogram (ECG), which records the heart's electrical activity over a period of time. ECGs can detect whether there is enough blood flow to the heart or if a heart attack has occurred.
  • Echocardiogram (echo), which creates images of the heart using sound waves. Echos can show whether the heart is able to pump blood normally.
  • Stress tests, where an ECG or echo is combined with exercise, like riding a stationary bike or walking on a treadmill. This test is done to find out if the heart can function properly while performing a strenuous activity.

Treatments for the disease include medications such as vasodilators, like nitroglycerin, which dilates (widens) the coronary arteries. CAD may also be treated by a procedure called angioplasty with stent placement, where a balloon is inflated inside a diseased artery to flatten the plaque deposits against the artery walls, creating more room for blood to flow.

In some severe cases of the disease, multiple arteries may be blocked, and an open heart surgery called coronary artery bypass surgery may be necessary. This operation transplants a vessel from another part of the body to form a graft that goes past the narrowed arteries, thus enabling blood to flow around those arteries.

Noteworthy Medicare Patient Procedures Performed by Dr. David J. Kahan, MD in 2023

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

Top 10%

By Affordability:

stress echo

In 2023, Dr. David J. Kahan, MD had a list price for stress echo 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:

cardiac procedures
inpatient hospital care

By Affordability:

cardiac imaging
color Doppler echocardiography
Doppler echocardiography
echocardiogram
electrocardiogram
spectral Doppler echocardiography
stress EKG

In 2012, among providers in related specialties within Massachusetts, Dr. David J. Kahan, MD performed more cardiac procedures, and inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of them and he also had a list price for cardiac imaging, color Doppler echocardiography, Doppler echocardiography, echocardiogram (echo), electrocardiogram (EKG), spectral Doppler echocardiography, 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. David J. Kahan, MD treated as a cardiologist in Concord, MA during 2012 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. David J. Kahan, MD for Medicare patients.

cardiac procedures 175
catheterization 15
diagnostic procedures 15
doctor visit 221
hospital care 85
inpatient care 85
minimally invasive procedures 15
stress testing 31
ultrasound (sonogram) 145
vascular procedures 15

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David J. Kahan, MD treated as a cardiologist in Concord, MA during 2013 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. David J. Kahan, MD for Medicare patients.

cardiac procedures 204
catheterization 30
diagnostic procedures 30
doctor visit 484
hospital care 68
inpatient care 68
minimally invasive procedures 30
stress testing 28
ultrasound (sonogram) 163
vascular procedures 30

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Kahan, MD.

Gender
Male 432
Female 566
Ethnicity
Non-Hispanic White 938
Black 14
Hispanic 24
Asian 0
Other 0
Native American 0
Age
From 65 to 74 286
From 75 to 84 317
85 and over 220
Less than 65 175

Conditions of Medicare patients treated by Dr. David J. Kahan, MD in 2013

Hypertension 75
High Cholesterol 67
Stroke 9
Ischemic Heart Disease 50
Depression 39
Chronic Kidney Disease 40
Asthma 15
Osteoperosis 14
Atrial Fibrilation 30
Heart Failure 37
Chronic Obstructive Pulmonary Disease 29
Diabetes 32
Dementia 23
Cancer 17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David J. Kahan, MD treated as a cardiologist in Concord, MA during 2014 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. David J. Kahan, MD for Medicare patients.

cardiac procedures 286
catheterization 44
diagnostic procedures 32
doctor visit 627
emergency care 12
hospital care 155
inpatient care 155
minimally invasive procedures 44
stress testing 59
ultrasound (sonogram) 213
vascular procedures 43

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Kahan, MD.

Gender
Male 653
Female 724
Ethnicity
Non-Hispanic White 1316
Black 0
Hispanic 19
Asian 0
Other 21
Native American 0
Age
From 65 to 74 387
From 75 to 84 441
85 and over 339
Less than 65 210

Conditions of Medicare patients treated by Dr. David J. Kahan, MD in 2014

Hypertension 75
High Cholesterol 66
Stroke 12
Ischemic Heart Disease 51
Depression 38
Chronic Kidney Disease 39
Asthma 15
Osteoperosis 15
Atrial Fibrilation 31
Heart Failure 36
Chronic Obstructive Pulmonary Disease 28
Diabetes 34
Dementia 21
Cancer 15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David J. Kahan, MD treated as a cardiologist in Concord, MA during 2015 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. David J. Kahan, MD for Medicare patients.

cardiac procedures 381
catheterization 16
diagnostic procedures 16
doctor visit 669
hospital care 253
inpatient care 253
minimally invasive procedures 16
stress testing 114
ultrasound (sonogram) 312
vascular procedures 16

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Kahan, MD.

Gender
Male 976
Female 1246
Ethnicity
Non-Hispanic White 2106
Black 0
Hispanic 40
Asian 0
Other 40
Native American 0
Age
From 65 to 74 698
From 75 to 84 622
85 and over 542
Less than 65 360

Conditions of Medicare patients treated by Dr. David J. Kahan, MD in 2015

Hypertension 75
High Cholesterol 64
Stroke 11
Ischemic Heart Disease 48
Depression 39
Chronic Kidney Disease 40
Asthma 22
Osteoperosis 12
Atrial Fibrilation 29
Heart Failure 37
Chronic Obstructive Pulmonary Disease 27
Diabetes 35
Dementia 21
Cancer 15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David J. Kahan, MD treated as a cardiologist in Concord, MA during 2016 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. David J. Kahan, MD for Medicare patients.

cardiac procedures 495
catheterization 28
diagnostic procedures 28
doctor visit 954
hospital care 252
inpatient care 252
minimally invasive procedures 28
stress testing 125
ultrasound (sonogram) 415
vascular procedures 28

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Kahan, MD.

Gender
Male 558
Female 715
Ethnicity
Non-Hispanic White 1205
Black 0
Hispanic 23
Asian 0
Other 29
Native American 0
Age
From 65 to 74 402
From 75 to 84 345
85 and over 302
Less than 65 224

Conditions of Medicare patients treated by Dr. David J. Kahan, MD in 2016

Hypertension 75
High Cholesterol 64
Stroke 10
Ischemic Heart Disease 47
Depression 38
Chronic Kidney Disease 44
Asthma 31
Osteoperosis 13
Atrial Fibrilation 27
Heart Failure 33
Chronic Obstructive Pulmonary Disease 25
Diabetes 30
Dementia 22
Cancer 13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David J. Kahan, MD treated as a cardiologist in Concord, MA during 2017 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. David J. Kahan, MD for Medicare patients.

cardiac procedures 572
catheterization 16
diagnostic procedures 16
doctor visit 1042
hospital care 398
inpatient care 398
minimally invasive procedures 16
stress testing 118
ultrasound (sonogram) 501
vascular procedures 16

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Kahan, MD.

Gender
Male 918
Female 1108
Ethnicity
Non-Hispanic White 1914
Black 0
Hispanic 30
Asian 0
Other 46
Native American 0
Age
From 65 to 74 588
From 75 to 84 589
85 and over 500
Less than 65 349

Conditions of Medicare patients treated by Dr. David J. Kahan, MD in 2017

Hypertension 75
High Cholesterol 59
Stroke 10
Ischemic Heart Disease 46
Depression 42
Chronic Kidney Disease 46
Asthma 14
Osteoperosis 14
Atrial Fibrilation 28
Heart Failure 34
Chronic Obstructive Pulmonary Disease 25
Diabetes 31
Dementia 25
Cancer 15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David J. Kahan, MD treated as a cardiologist in Concord, MA during 2018 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. David J. Kahan, MD for Medicare patients.

cardiac procedures 697
catheterization 15
diagnostic procedures 15
doctor visit 1177
hospital care 490
inpatient care 490
minimally invasive procedures 15
stress testing 152
ultrasound (sonogram) 587
vascular procedures 15

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Kahan, MD.

Gender
Male 1027
Female 1073
Ethnicity
Non-Hispanic White 1993
Black 0
Hispanic 30
Asian 0
Other 0
Native American 0
Age
From 65 to 74 648
From 75 to 84 633
85 and over 501
Less than 65 318

Conditions of Medicare patients treated by Dr. David J. Kahan, MD in 2018

Hypertension 75
High Cholesterol 65
Stroke 11
Ischemic Heart Disease 48
Depression 40
Chronic Kidney Disease 49
Asthma 12
Osteoperosis 13
Atrial Fibrilation 30
Heart Failure 36
Chronic Obstructive Pulmonary Disease 25
Diabetes 33
Dementia 24
Cancer 15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David J. Kahan, MD treated as a cardiologist in Concord, MA during 2019 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. David J. Kahan, MD for Medicare patients.

cardiac procedures 606
catheterization 11
diagnostic procedures 11
doctor visit 1067
hospital care 346
inpatient care 346
minimally invasive procedures 11
stress testing 177
ultrasound (sonogram) 480
vascular procedures 11

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Kahan, MD.

Gender
Male 1083
Female 1267
Ethnicity
Non-Hispanic White 2226
Black 0
Hispanic 43
Asian 0
Other 50
Native American 0
Age
From 65 to 74 704
From 75 to 84 726
85 and over 556
Less than 65 364

Conditions of Medicare patients treated by Dr. David J. Kahan, MD in 2019

Hypertension 75
High Cholesterol 65
Stroke 10
Ischemic Heart Disease 45
Depression 42
Chronic Kidney Disease 46
Asthma 12
Osteoperosis 12
Atrial Fibrilation 29
Heart Failure 32
Chronic Obstructive Pulmonary Disease 24
Diabetes 28
Dementia 23
Cancer 16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David J. Kahan, MD treated as a cardiologist in Concord, MA during 2020 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. David J. Kahan, MD for Medicare patients.

cardiac procedures 594
doctor visit 853
hospital care 508
inpatient care 508
stress testing 147
ultrasound (sonogram) 503

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Kahan, MD.

Gender
Male 1064
Female 1295
Ethnicity
Non-Hispanic White 2214
Black 31
Hispanic 44
Asian 0
Other 58
Native American 0
Age
From 65 to 74 711
From 75 to 84 772
85 and over 558
Less than 65 318

Conditions of Medicare patients treated by Dr. David J. Kahan, MD in 2020

Hypertension 75
High Cholesterol 62
Stroke 9
Ischemic Heart Disease 48
Depression 41
Chronic Kidney Disease 50
Asthma 12
Osteoperosis 12
Atrial Fibrilation 28
Heart Failure 33
Chronic Obstructive Pulmonary Disease 22
Diabetes 30
Dementia 25
Cancer 14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David J. Kahan, MD treated as a cardiologist in Concord, MA during 2021 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. David J. Kahan, MD for Medicare patients.

cardiac procedures 595
doctor visit 1012
hospital care 342
inpatient care 342
stress testing 149
ultrasound (sonogram) 512

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Kahan, MD.

Gender
Male 1040
Female 1300
Ethnicity
Non-Hispanic White 2210
Black 19
Hispanic 40
Asian 12
Other 59
Native American 0
Age
From 65 to 74 804
From 75 to 84 791
85 and over 495
Less than 65 250

Conditions of Medicare patients treated by Dr. David J. Kahan, MD in 2021

Hypertension 75
High Cholesterol 64
Stroke 9
Ischemic Heart Disease 46
Depression 38
Chronic Kidney Disease 48
Asthma 12
Osteoperosis 13
Atrial Fibrilation 26
Heart Failure 32
Chronic Obstructive Pulmonary Disease 21
Diabetes 30
Dementia 23
Cancer 15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David J. Kahan, MD treated as a cardiologist in Concord, MA during 2022 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. David J. Kahan, MD for Medicare patients.

cardiac procedures 613
cardioversion 19
doctor visit 516
hospital care 283
inpatient care 283
nuclear scan 58
stress testing 202
ultrasound (sonogram) 431

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Kahan, MD.

Gender
Male 470
Female 555
Ethnicity
Non-Hispanic White 938
Black 0
Hispanic 0
Asian 19
Other 44
Native American 0
Age
From 65 to 74 333
From 75 to 84 428
85 and over 214
Less than 65 50

Conditions of Medicare patients treated by Dr. David J. Kahan, MD in 2022

Hypertension 75
High Cholesterol 73
Stroke 15
Ischemic Heart Disease 36
Depression 28
Chronic Kidney Disease 27
Asthma 17
Osteoperosis 17
Atrial Fibrilation 34
Heart Failure 29
Chronic Obstructive Pulmonary Disease 18
Diabetes 23
Dementia 13
Cancer 18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. David J. Kahan, MD for Medicare patients.

The highest averages for the top procedures that Dr. David J. Kahan, MD treated as a cardiologist in Concord, MA were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

cardiac procedures 474
cardioversion 19
catheterization 21
diagnostic procedures 20
doctor visit 783
emergency care 12
hospital care 289
inpatient care 289
minimally invasive procedures 21
nuclear scan 58
stress testing 118
ultrasound (sonogram) 387
vascular procedures 21

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. David J. Kahan, MD.

Gender
Male 747
Female 895
Ethnicity
Black / African American 5
Asian / Pacific Islander 2
Non-Hispanic White 1550
Native American / Alaskan Native 0
Hispanic 26
Other 31
Age
75 to 84 514
85 and over 384
Less than 65 238
65 to 74 505

Average of Total of Conditions of Medicare patients treated by Dr. David J. Kahan, MD From 2012 - 2022

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

Hypertension 68
High Cholesterol 59
Stroke 9
Ischemic Heart Disease 42
Depression 35
Chronic Kidney Disease 39
Asthma 14
Osteoporosis 12
Heart Failure 30
Chronic Obstructive Pulmonary Disease 22
Diabetes 27
Atrial Fibrillation 26
Dementia 20
Cancer 13

Education & Training

Dr. David J. Kahan, MD graduated from Tufts University School of Medicine. He completed residency at Lahey Clinic. He is certified by the Interventional Cardiology Cardiovascular Disease and has a state license in Massachusetts.

Medical School: Tufts University School of Medicine

Residency: Lahey Clinic

Board Certification: Interventional Cardiology Cardiovascular Disease

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. David J. Kahan, MD is associated with these hospitals and organizations:

Emerson Health

Ratings & Reviews

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General Payments

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

Payments by Company
Alcon Laboratories Inc $47
$47
Pfizer Inc. $15 PREVNAR 13
$15
Types of Payments
Food and Beverage $62

Biography

Dr. David Kahan is a specialist in adult cardiology. He works in Danvers, MA and Concord, MA. Areas of particular interest for Dr. Kahan include heart valve disease, hypertension (high blood pressure), and preventive cardiology. He is affiliated with Emerson Health. Dr. Kahan welcomes new patients at his office inConcord, MA as reported by Emerson Health. Dr. Kahan attended medical school at Tufts University School of Medicine. His medical residency was performed at Lahey Clinic and Lankenau Medical Center.

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