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Dr. Mark D. Kelemen, MD

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Specializes in: Interventional Cardiology and Adult Cardiology

Johns Hopkins University School of Medicine

22 S Greene Street
Baltimore, MD 21201

(443) 997-0270

Dr. Mark D. Kelemen, MD is an interventional cardiologist in Baltimore, MD specializing in interventional cardiology and adult cardiology. He graduated from Johns Hopkins University School of Medicine. Dr. Mark D. Kelemen, MD is affiliated with GBMC Healthcare.

Office Locations

22 S Greene Street
Baltimore, MD 21201

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6569 N. Charles Street Pavilion West Suite 600
Towson, MD 21204

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In The News

“"What's different about a big snowfall is that this tends to be more exercise than people get in their day-to-day lives," said Dr. Mark Kelemen, director of clinical cardiology at the University of...”—"Moving snow can hurt your heart, doctors say", South Florida Sun-Sentinel, February 2003

Noteworthy Medicare Patient Procedures Performed by Dr. Mark D. Kelemen, MD in 2023

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

Top 10%

By Volume:

inpatient hospital care

In 2023, Dr. Mark D. Kelemen, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 90% of providers in related specialties within Maryland.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark D. Kelemen, MD treated as an interventional cardiologist in Baltimore, MD during 2012 were ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Mark D. Kelemen, MD for Medicare patients.

cardiac procedures	11
doctor visit	227
ultrasound (sonogram)	11

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark D. Kelemen, MD for Medicare patients.

doctor visit	223

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark D. Kelemen, MD.

**Gender**
Male	81
Female	70

**Ethnicity**
Non-Hispanic White	78
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	57
From 75 to 84	38
85 and over	22
Less than 65	34

Conditions of Medicare patients treated by Dr. Mark D. Kelemen, MD in 2013

Hypertension	75
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	65
Depression	22
Chronic Kidney Disease	39
Asthma	9
Osteoperosis	0
Atrial Fibrilation	21
Heart Failure	36
Chronic Obstructive Pulmonary Disease	10
Diabetes	46
Dementia	9
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark D. Kelemen, MD for Medicare patients.

doctor visit	234

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark D. Kelemen, MD.

**Gender**
Male	94
Female	67

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

**Age**
From 65 to 74	67
From 75 to 84	36
85 and over	15
Less than 65	43

Conditions of Medicare patients treated by Dr. Mark D. Kelemen, MD in 2014

Hypertension	75
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	71
Depression	17
Chronic Kidney Disease	43
Asthma	10
Osteoperosis	7
Atrial Fibrilation	20
Heart Failure	39
Chronic Obstructive Pulmonary Disease	12
Diabetes	49
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark D. Kelemen, MD treated as an interventional cardiologist in Baltimore, MD during 2015 were preventive care and vaccines.

Volume of procedures performed by Dr. Mark D. Kelemen, MD for Medicare patients.

doctor visit	256
preventive care	11
vaccines	11

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark D. Kelemen, MD.

**Gender**
Male	192
Female	146

**Ethnicity**
Non-Hispanic White	0
Black	168
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	70
85 and over	34
Less than 65	80

Conditions of Medicare patients treated by Dr. Mark D. Kelemen, MD in 2015

Hypertension	75
High Cholesterol	60
Stroke	9
Ischemic Heart Disease	66
Depression	19
Chronic Kidney Disease	39
Asthma	15
Osteoperosis	7
Atrial Fibrilation	25
Heart Failure	38
Chronic Obstructive Pulmonary Disease	15
Diabetes	49
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark D. Kelemen, MD treated as an interventional cardiologist in Baltimore, MD during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark D. Kelemen, MD for Medicare patients.

doctor visit	258
hospital care	38
inpatient care	38

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark D. Kelemen, MD.

**Gender**
Male	101
Female	76

**Ethnicity**
Non-Hispanic White	83
Black	83
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	40
85 and over	21
Less than 65	38

Conditions of Medicare patients treated by Dr. Mark D. Kelemen, MD in 2016

Hypertension	75
High Cholesterol	68
Stroke	11
Ischemic Heart Disease	67
Depression	24
Chronic Kidney Disease	51
Asthma	18
Osteoperosis	8
Atrial Fibrilation	31
Heart Failure	47
Chronic Obstructive Pulmonary Disease	18
Diabetes	50
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark D. Kelemen, MD for Medicare patients.

doctor visit	251

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark D. Kelemen, MD.

**Gender**
Male	85
Female	64

**Ethnicity**
Non-Hispanic White	68
Black	70
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	42
85 and over	11
Less than 65	34

Conditions of Medicare patients treated by Dr. Mark D. Kelemen, MD in 2017

Hypertension	75
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	65
Depression	26
Chronic Kidney Disease	51
Asthma	9
Osteoperosis	0
Atrial Fibrilation	29
Heart Failure	39
Chronic Obstructive Pulmonary Disease	15
Diabetes	46
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark D. Kelemen, MD treated as an interventional cardiologist in Baltimore, MD during 2018 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark D. Kelemen, MD for Medicare patients.

cardiac procedures	74
doctor visit	117
hospital care	49
inpatient care	49
ultrasound (sonogram)	74

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark D. Kelemen, MD.

**Gender**
Male	361
Female	415

**Ethnicity**
Non-Hispanic White	511
Black	225
Hispanic	0
Asian	11
Other	18
Native American	0

**Age**
From 65 to 74	287
From 75 to 84	182
85 and over	99
Less than 65	208

Conditions of Medicare patients treated by Dr. Mark D. Kelemen, MD in 2018

Hypertension	75
High Cholesterol	68
Stroke	15
Ischemic Heart Disease	75
Depression	47
Chronic Kidney Disease	58
Asthma	11
Osteoperosis	11
Atrial Fibrilation	26
Heart Failure	51
Chronic Obstructive Pulmonary Disease	35
Diabetes	46
Dementia	23
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark D. Kelemen, MD treated as an interventional cardiologist in Baltimore, MD during 2019 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Mark D. Kelemen, MD for Medicare patients.

cardiac procedures	495
doctor visit	217
hospital care	616
inpatient care	616
stress testing	38
ultrasound (sonogram)	457

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark D. Kelemen, MD.

**Gender**
Male	1302
Female	1499

**Ethnicity**
Non-Hispanic White	1989
Black	675
Hispanic	51
Asian	42
Other	0
Native American	0

**Age**
From 65 to 74	986
From 75 to 84	748
85 and over	453
Less than 65	614

Conditions of Medicare patients treated by Dr. Mark D. Kelemen, MD in 2019

Hypertension	75
High Cholesterol	69
Stroke	16
Ischemic Heart Disease	73
Depression	47
Chronic Kidney Disease	59
Asthma	11
Osteoperosis	10
Atrial Fibrilation	29
Heart Failure	50
Chronic Obstructive Pulmonary Disease	34
Diabetes	43
Dementia	27
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark D. Kelemen, MD treated as an interventional cardiologist in Baltimore, MD during 2020 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Mark D. Kelemen, MD for Medicare patients.

cardiac procedures	319
doctor visit	229
hospital care	456
inpatient care	456
stress testing	21
ultrasound (sonogram)	298

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark D. Kelemen, MD.

**Gender**
Male	916
Female	1063

**Ethnicity**
Non-Hispanic White	1407
Black	471
Hispanic	35
Asian	0
Other	33
Native American	0

**Age**
From 65 to 74	666
From 75 to 84	557
85 and over	363
Less than 65	393

Conditions of Medicare patients treated by Dr. Mark D. Kelemen, MD in 2020

Hypertension	75
High Cholesterol	69
Stroke	17
Ischemic Heart Disease	71
Depression	44
Chronic Kidney Disease	60
Asthma	11
Osteoperosis	10
Atrial Fibrilation	30
Heart Failure	50
Chronic Obstructive Pulmonary Disease	30
Diabetes	44
Dementia	30
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark D. Kelemen, MD treated as an interventional cardiologist in Baltimore, MD during 2021 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Mark D. Kelemen, MD for Medicare patients.

cardiac procedures	326
doctor visit	300
hospital care	409
inpatient care	409
stress testing	24
ultrasound (sonogram)	302

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark D. Kelemen, MD.

**Gender**
Male	871
Female	1052

**Ethnicity**
Non-Hispanic White	1404
Black	419
Hispanic	34
Asian	0
Other	39
Native American	0

**Age**
From 65 to 74	702
From 75 to 84	548
85 and over	294
Less than 65	379

Conditions of Medicare patients treated by Dr. Mark D. Kelemen, MD in 2021

Hypertension	75
High Cholesterol	72
Stroke	17
Ischemic Heart Disease	74
Depression	43
Chronic Kidney Disease	60
Asthma	11
Osteoperosis	10
Atrial Fibrilation	30
Heart Failure	49
Chronic Obstructive Pulmonary Disease	31
Diabetes	43
Dementia	26
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark D. Kelemen, MD treated as an interventional cardiologist in Baltimore, MD during 2022 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Mark D. Kelemen, MD for Medicare patients.

cardiac procedures	307
doctor visit	319
hospital care	442
inpatient care	442
stress testing	17
ultrasound (sonogram)	290

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark D. Kelemen, MD.

**Gender**
Male	767
Female	885

**Ethnicity**
Non-Hispanic White	1221
Black	342
Hispanic	0
Asian	24
Other	40
Native American	0

**Age**
From 65 to 74	618
From 75 to 84	514
85 and over	270
Less than 65	250

Conditions of Medicare patients treated by Dr. Mark D. Kelemen, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	26
Ischemic Heart Disease	56
Depression	39
Chronic Kidney Disease	40
Asthma	13
Osteoperosis	14
Atrial Fibrilation	43
Heart Failure	48
Chronic Obstructive Pulmonary Disease	34
Diabetes	43
Dementia	19
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark D. Kelemen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark D. Kelemen, MD treated as an interventional cardiologist in Baltimore, MD were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

cardiac procedures	255
doctor visit	239
hospital care	335
inpatient care	335
preventive care	11
stress testing	25
ultrasound (sonogram)	238
vaccines	11

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark D. Kelemen, MD.

**Gender**
Female	485
Male	433

**Ethnicity**
Black / African American	230
Asian / Pacific Islander	7
Non-Hispanic White	614
Native American / Alaskan Native	0
Hispanic	10
Other	11

**Age**
85 and over	143
75 to 84	252
Less than 65	188
65 to 74	334

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

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

Hypertension	68
High Cholesterol	60
Stroke	10
Ischemic Heart Disease	62
Depression	29
Chronic Kidney Disease	45
Asthma	10
Osteoporosis	7
Heart Failure	40
Chronic Obstructive Pulmonary Disease	21
Diabetes	41
Atrial Fibrillation	25
Dementia	15
Cancer	13

Education & Training

Dr. Mark D. Kelemen, MD graduated from Johns Hopkins University School of Medicine. He completed residency at Duke University Medical Center. He has a state license in Maine.

Medical School: Johns Hopkins University School of Medicine

Residency: Duke University Medical Center

Licensed In: Maine

Affiliations & Hospitals

Dr. Mark D. Kelemen, MD is associated with these hospitals and organizations:

GBMC Healthcare

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General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$134 XARELTO $134
BIOTRONIK INC.	$14 $14
AstraZeneca Pharmaceuticals LP	$12 BRILINTA $12

**Types of Payments**
Education	$106
Food and Beverage	$54

Biography

Dr. Mark Kelemen's areas of specialization are adult cardiology and interventional cardiology; he sees patients in Baltimore, MD and Towson, MD. His professional affiliations include GBMC Healthcare and Johns Hopkins University. After attending Johns Hopkins University School of Medicine, he completed his residency training at Duke University Medical Center.