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Home > MO Providers > Cardiac Electrophysiologists

Dr. Greg Flaker, MD

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Specializes in: Cardiac Electrophysiology (Heart Rhythm)

University of Missouri-Columbia School of Medicine

Professional interests include: hypertension (high blood pressure), implantable cardioverter-defibrillator (ICD), arrhythmias (irregular heartbeats), and more.

1 Hospital Drive
Columbia, MO

(573) 882-4141

Dr. Greg Flaker, MD is a cardiac electrophysiologist in Columbia, MO specializing in cardiac electrophysiology (heart rhythm). He graduated from University of Missouri-Columbia School of Medicine. Dr. Greg Flaker, MD is affiliated with University of Missouri Health Care and THE CURATORS OF THE UNIVERSITY OF MISSOURI.

Office Locations

Address:

1 Hospital Drive
Columbia, MO

Address:

500 N Keene Street Suite 406
Columbia, MO

Address:

500 N Keene Street Suite 406
Columbia, MO 65201

Some issues Dr. Greg Flaker, 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.

In The News

“"Ask Your Doctor" airs Thursdays at 8 p.m. on Cape Girardeau cable channel 5 and is sponsored by St. Francis Medical Center, Southeast Missouri Hospital, the Cape Girardeau County Medical Society...”—"Stories from Saturday, April 23, 1994", Southeast Missourian, November 2022

cardiac procedures	8
cardioversion	18
diagnostic procedures	10
doctor visit	958
hospital care	467
inpatient care	468

**Gender**
Male	424
Female	347

**Ethnicity**
Non-Hispanic White	724
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	270
From 75 to 84	274
85 and over	128
Less than 65	99

Hypertension	72
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	64
Depression	24
Chronic Kidney Disease	34
Asthma	8
Osteoperosis	9
Atrial Fibrilation	44
Heart Failure	50
Chronic Obstructive Pulmonary Disease	23
Diabetes	37
Dementia	12
Cancer	10

cardiac procedures	29
cardioversion	18
doctor visit	1058
hospital care	310
implant surgery	30
implantable cardioverter-defibrillator (ICD) replacement	14
inpatient care	297
minimally invasive procedures	30
outpatient care	13

**Gender**
Male	374
Female	318

**Ethnicity**
Non-Hispanic White	642
Black	39
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	230
From 75 to 84	259
85 and over	119
Less than 65	84

Hypertension	72
High Cholesterol	53
Stroke	4
Ischemic Heart Disease	62
Depression	23
Chronic Kidney Disease	34
Asthma	8
Osteoperosis	6
Atrial Fibrilation	45
Heart Failure	47
Chronic Obstructive Pulmonary Disease	23
Diabetes	37
Dementia	11
Cancer	13

cardiac procedures	8
cardioversion	11
doctor visit	959
hospital care	393
implant surgery	9
inpatient care	381
minimally invasive procedures	9
outpatient care	12

**Gender**
Male	710
Female	626

**Ethnicity**
Non-Hispanic White	1246
Black	64
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	462
From 75 to 84	486
85 and over	234
Less than 65	154

Hypertension	75
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	62
Depression	24
Chronic Kidney Disease	38
Asthma	13
Osteoperosis	8
Atrial Fibrilation	46
Heart Failure	49
Chronic Obstructive Pulmonary Disease	20
Diabetes	38
Dementia	11
Cancer	9

**Gender**
Male	354
Female	322

**Ethnicity**
Non-Hispanic White	636
Black	29
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	221
From 75 to 84	261
85 and over	120
Less than 65	74

Hypertension	75
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	60
Depression	23
Chronic Kidney Disease	39
Asthma	24
Osteoperosis	8
Atrial Fibrilation	43
Heart Failure	49
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Dementia	13
Cancer	9

cardiac procedures	9
doctor visit	807
hospital care	304
implant surgery	10
inpatient care	305
minimally invasive procedures	10

**Gender**
Male	265
Female	280

**Ethnicity**
Non-Hispanic White	510
Black	21
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	192
85 and over	99
Less than 65	77

Hypertension	75
High Cholesterol	54
Stroke	7
Ischemic Heart Disease	63
Depression	24
Chronic Kidney Disease	48
Asthma	7
Osteoperosis	7
Atrial Fibrilation	41
Heart Failure	50
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Dementia	13
Cancer	10

doctor visit	859
hospital care	311
inpatient care	312

**Gender**
Male	859
Female	943

**Ethnicity**
Non-Hispanic White	1634
Black	121
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	604
From 75 to 84	518
85 and over	240
Less than 65	440

Hypertension	75
High Cholesterol	66
Stroke	12
Ischemic Heart Disease	56
Depression	40
Chronic Kidney Disease	52
Asthma	8
Osteoperosis	9
Atrial Fibrilation	30
Heart Failure	46
Chronic Obstructive Pulmonary Disease	32
Diabetes	43
Dementia	21
Cancer	14

doctor visit	631
hospital care	163
inpatient care	164

**Gender**
Male	852
Female	946

**Ethnicity**
Non-Hispanic White	1620
Black	106
Hispanic	22
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	654
From 75 to 84	494
85 and over	227
Less than 65	423

Hypertension	75
High Cholesterol	65
Stroke	11
Ischemic Heart Disease	54
Depression	39
Chronic Kidney Disease	51
Asthma	9
Osteoperosis	11
Atrial Fibrilation	29
Heart Failure	44
Chronic Obstructive Pulmonary Disease	29
Diabetes	40
Dementia	19
Cancer	12

doctor visit	341
hospital care	237
inpatient care	238

**Gender**
Male	645
Female	647

**Ethnicity**
Non-Hispanic White	1156
Black	88
Hispanic	14
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	474
From 75 to 84	349
85 and over	157
Less than 65	312

Hypertension	75
High Cholesterol	62
Stroke	10
Ischemic Heart Disease	54
Depression	38
Chronic Kidney Disease	55
Asthma	8
Osteoperosis	9
Atrial Fibrilation	29
Heart Failure	47
Chronic Obstructive Pulmonary Disease	28
Diabetes	42
Dementia	21
Cancer	13

doctor visit	577
hospital care	544
inpatient care	545

Average Medicare Procedure Volume From 2013 - 2021

Volume of procedures performed by Dr. Greg Flaker, MD for Medicare patients.

The highest averages for the top procedures that Dr. Greg Flaker, MD treated as a cardiac electrophysiologist in Columbia, MO were hospital care, inpatient care, minimally invasive procedures and implant surgery.

cardiac procedures	15
cardioversion	16
diagnostic procedures	10
doctor visit	806
hospital care	341
implant surgery	17
implantable cardioverter-defibrillator (ICD) replacement	14
inpatient care	337
minimally invasive procedures	17
outpatient care	12

Average Medicare Patient Data From 2013 - 2021

Information about Medicare patients treated by Dr. Greg Flaker, MD.

**Gender**
Female	442
Male	448

**Ethnicity**
Black / African American	46
Asian / Pacific Islander	0
Non-Hispanic White	816
Native American / Alaskan Native	0
Hispanic	5
Other	5

**Age**
85 and over	132
75 to 84	283
Less than 65	166
65 to 74	309

Average of Total of Conditions of Medicare patients treated by Dr. Greg Flaker, MD From 2013 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. Greg Flaker, MD treated were hypertension, high cholesterol, ischemic heart disease and heart failure.

Hypertension	59
High Cholesterol	48
Stroke	6
Ischemic Heart Disease	47
Depression	23
Chronic Kidney Disease	35
Asthma	8
Osteoporosis	6
Heart Failure	38
Chronic Obstructive Pulmonary Disease	20
Diabetes	31
Atrial Fibrillation	30
Cancer	9
Dementia	12

Education & Training

Dr. Greg Flaker, MD graduated from University of Missouri-Columbia School of Medicine. He completed residency at University of Missouri Health System. He is certified by the American Board of Internal Medicine/Cardiovascular Disease and has a state license in Missouri.

Medical School: University of Missouri-Columbia School of Medicine

Residency: University of Missouri Health System

Board Certification: American Board of Internal Medicine/Cardiovascular Disease

Licensed In: Missouri

Affiliations & Hospitals

Dr. Greg Flaker, MD is associated with these hospitals and organizations:

University of Missouri Health Care

THE CURATORS OF THE UNIVERSITY OF MISSOURI

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General Payments

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

**Payments by Company**
E.R. Squibb & Sons, L.L.C.	$13,961 ELIQUIS $1,426	$12,535
Daiichi Sankyo Inc.	$6,632 SAVAYSA $6,613	Injectafer $19
Boehringer Ingelheim Pharmaceuticals, Inc.	$5,373 Pradaxa $880	JARDIANCE $18	$4,475
Janssen Pharmaceuticals, Inc	$4,864 XARELTO $4,853	INVOKANA $11
Medtronic Vascular, Inc.	$4,373 Pacemakers $326	Amplia MRI $297	Claria MRI $295	Micra $118	Reveal LINQ $109	Other $3,228
Other	$7,219 ELIQUIS $1,665	Ensite $1,024	TACHY LEAD $931	Repatha $370	LifeVest $354	Other $2,876

**Types of Payments**
Travel and Lodging	$19,434
Consulting Fee	$15,260
Food and Beverage	$7,538
Education	$170
Entertainment	$20

Research Payments

Dr. Greg Flaker, MD has received 2 research payments totaling $6,875.

Biography

Dr. Greg Flaker's specialty is cardiac electrophysiology (heart rhythm). His areas of expertise include cardiac critical care, heart attack, and sports health. Before completing his residency at the University of Missouri Health System, Dr. Flaker attended medical school at the University of Missouri-Columbia School of Medicine. He is affiliated with the University of Missouri Health Care.