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Home > FL Providers > Cardiac Electrophysiologists

Dr. Marshall Bernard Marcus, MD

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Specializes in: Cardiac Electrophysiology (Heart Rhythm) and Adult Cardiology

Professional interests include: ambulatory event monitoring (AEM), resuscitation, ambulatory cardiac monitoring, and more.

6006 49th Street North Suite 200
Saint Petersburg, FL 33709

(727) 490-2100

Dr. Marshall Bernard Marcus, MD is a cardiac electrophysiologist in Saint Petersburg, FL specializing in cardiac electrophysiology (heart rhythm) and adult cardiology. Dr. Marshall Bernard Marcus, MD is affiliated with HCA Florida Healthcare, HCA Florida Northside Hospital and WEST FLORIDA CARDIOLOGY NETWORK, LLC.

Office Locations

Address:

6006 49th Street N Suite 200
Saint Petersburg, FL 33709

Address:

6006 49th Street North Suite 200
Saint Petersburg, FL 33709

Some issues Dr. Marshall Bernard Marcus, MD can help you with:

Heart Attack

A heart attack is a serious medical event that happens when the blood supplying oxygen to the heart is cut off, usually because of a blockage in an artery. This results in damage or death of part of the heart muscle. The heart can heal, but like any part of the body that was injured it leaves a scar. This scar tissue does not contract effectively, so the ability of the heart to pump is lowered after a heart attack.

A heart attack, sometimes called a myocardial infarction, can happen without warning. However there are certain factors that raise the risk of heart attack. Some of these are:

Age
Gender (most heart attack sufferers are male)
A family history of heart attacks
Smoking
Obesity
High cholesterol
High blood pressure
Diabetes
Unhealthy lifestyle choices (lack of exercise, poor diet, too much alcohol or stress)

Heart attacks typically feel like pain or pressure in the chest that can radiate out to the back, arm, or jaw. Some other symptoms can include fatigue or weakness, shortness of breath, sweating, and nausea.

Treatment aims to increase blood flow to the heart muscle by opening up blocked blood vessels. Medications are sometimes used to dissolve clots in the arteries. Aspirin and other medications such as Plavix can thin the blood and make clots less likely to form. Dilators can widen blood vessels to make room for more blood to flow. Doctors can also use a procedure called catheterization to look at the blood vessels around the heart directly, place stents, or widen vessels using angioplasty. In extreme cases bypass surgery can be used to help blood flow better. After recovery, it is important to lead a healthy lifestyle and take any prescribed medications in order to protect the heart.

Heart Problems

The heart is one of the most important organs in the body. This smooth muscle expands and contracts rhythmically an entire lifetime, pumping blood to the lungs and then to every other cell in the body. When heart problems occur, it becomes difficult for the body to get the nutrients and oxygen it needs via the blood. So while there are a variety of illnesses and disorders that affect the heart, most of them cause weakness, exhaustion and shortness of breath. The most common heart conditions include heart disease, angina, arrhythmia, and valve disorders.

Heart disease is the leading cause of death in the United States for both men and women. This includes coronary artery disease, heart attacks, congestive heart failure, and congenital heart disease. Some conditions, such as genetics, cannot be controlled. But there are many other things one can do to lower their risk for heart disease. Controlling high blood pressure and cholesterol levels, reducing or stopping smoking, exercising more and losing weight if needed, and eating a diet low in sodium can all protect the heart.

Angina is a squeezing type of chest pain that happens when the muscles around the heart don't get enough oxygen. It can be regular or infrequent. Usually, angina is caused by coronary heart disease. However, not all chest pain is angina. Chest pain can also be caused by a lung infection or panic attack, for example, so it is important to have any sudden pain checked.

Arrhythmia is the word for when the heart beats too fast, too slow, or irregularly with skipped beats. It can feel frightening, and depending on the type it can be dangerous, but in most cases arrhythmia is not serious and can be treated. It is very common, especially in older adults.

Heart valve problems can happen in any one of the the heart's four valves that keep blood flowing where it needs to go. Babies can be born with problems in their heart valves, or valves can be damaged by infections. The valves can stiffen and become less mobile, or they can stop closing properly and 'leak' when the heart beats. Valve problems can usually be repaired surgically.

doctor visit	49
hospital care	58
inpatient care	58

**Gender**
Male	68
Female	39

**Ethnicity**
Non-Hispanic White	95
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	37
85 and over	0
Less than 65	0

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	75
Depression	30
Chronic Kidney Disease	47
Asthma	0
Osteoperosis	0
Atrial Fibrilation	72
Heart Failure	49
Chronic Obstructive Pulmonary Disease	35
Diabetes	38
Dementia	16
Cancer	15

**Gender**
Male	284
Female	219

**Ethnicity**
Non-Hispanic White	443
Black	31
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	183
85 and over	146
Less than 65	25

Hypertension	75
High Cholesterol	74
Stroke	12
Ischemic Heart Disease	70
Depression	28
Chronic Kidney Disease	54
Asthma	9
Osteoperosis	9
Atrial Fibrilation	59
Heart Failure	49
Chronic Obstructive Pulmonary Disease	31
Diabetes	36
Dementia	24
Cancer	13

ambulatory monitoring	43
cardiac procedures	69
cardioversion	16
doctor visit	391
hospital care	596
implant surgery	28
inpatient care	596
minimally invasive procedures	25

Average Medicare Procedure Volume From 2019 - 2021

Volume of procedures performed by Dr. Marshall Bernard Marcus, MD for Medicare patients.

The highest averages for the top procedures that Dr. Marshall Bernard Marcus, MD treated as a cardiac electrophysiologist in Saint Petersburg, FL were hospital care, inpatient care, cardiac procedures and minimally invasive procedures.

ablation	11
ambulatory monitoring	26
cardiac procedures	62
cardioversion	16
catheterization	11
diagnostic procedures	11
doctor visit	207
hospital care	304
implant surgery	23
inpatient care	304
minimally invasive procedures	41
ultrasound (sonogram)	14

Average Medicare Patient Data From 2019 - 2021

Information about Medicare patients treated by Dr. Marshall Bernard Marcus, MD.

**Gender**
Male	35
Female	25

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	0
Non-Hispanic White	53
Native American / Alaskan Native	0
Hispanic	0
Other	1

**Age**
75 to 84	22
85 and over	14
Less than 65	2
65 to 74	19

Average of Total of Conditions of Medicare patients treated by Dr. Marshall Bernard Marcus, MD From 2019 - 2021

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

Hypertension	15
High Cholesterol	14
Stroke	2
Ischemic Heart Disease	14
Depression	5
Chronic Kidney Disease	10
Asthma	0
Osteoporosis	0
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	7
Atrial Fibrillation	13
Cancer	2
Dementia	4

Education & Training

He completed residency at Johns Hopkins University Affiliated Hospitals. He has a state license in Maryland.

Residency: Johns Hopkins University Affiliated Hospitals

Licensed In: Maryland

Affiliations & Hospitals

Dr. Marshall Bernard Marcus, MD is associated with these hospitals and organizations:

HCA Florida Healthcare

HCA Florida Northside Hospital

WEST FLORIDA CARDIOLOGY NETWORK, LLC

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General Payments

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

**Payments by Company**
BIOTRONIK INC.	$72,622 Bradycardia products $7,733	Passeo $4,291	Astron $3,824	Acticor 7 VR-T DX $2,637	Setrox $2,380	Other $51,758
Medtronic Vascular, Inc.	$18,941 Amplia MRI $362	Viva $192	Implantable Cardioverter Defibrillators - ICDs $170	Micra $167	Advisa $122	Other $17,927
Boston Scientific Corporation	$6,598 GENERAL THERAPIES $2,539	RHYTHMIA $1,640	WATCHMAN $1,150	WATCHMAN Access System $451	RESONATE EL ICD VR $154	Other $664
Abbott Laboratories	$4,580 AVEIR $924	ENSITE PRECISION $536	Assurity Pacemaker $366	Ensite Cardiac Mapping System $324	Confirm Rx $264	Other $2,166
Medical Device Business Services, Inc.	$1,859 Carto 3 System $1,048	Carto 3 $811
Other	$9,527 Micra $994	EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX $658	Carto 3 $644	LifeVest $549	ELIQUIS $504	Other $6,178

**Types of Payments**
Travel and Lodging	$53,816
Food and Beverage	$40,020
Grant	$15,000
Education	$3,124
Compensation for serving as faculty or as a speaker for a medical education program	$2,000
Other	$167

Biography

Dr. Marshall Marcus specializes in adult cardiology and cardiac electrophysiology (heart rhythm) and practices in Saint Petersburg, FL. Dr. Marcus has obtained a license to practice in Maryland.