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Dr. Michael John Stephen, MD

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Specializes in: Interventional Cardiology and Adult Cardiology

University of Texas Medical School at Houston (2005)

Professional interests include: high cholesterol (hyperlipidemia), angiogram (angiography), hypertension (high blood pressure), and more.

5115 Fannin Street Suite 801
Houston, TX 77004

(713) 790-0841

Dr. Michael John Stephen, MD is an interventional cardiologist in Houston, TX specializing in interventional cardiology and adult cardiology. He graduated from University of Texas Medical School at Houston in 2005 and has 20 years of experience. Dr. Michael John Stephen, MD is affiliated with Houston Methodist.

Office Locations

Address:

5115 Fannin Street Suite 801
Houston, TX 77004

Some issues Dr. Michael John Stephen, MD can help you with:

Angioplasty

Angioplasty is a common, minimally invasive procedure performed to restore blood flow in arteries and veins that have become narrowed or blocked. Age or illness can cause plaque to build up at certain spots within the veins and arteries, and if enough collects, it can restrict the flow of blood. Angioplasty uses a tiny balloon at the end of a small, flexible tube to inflate within the narrowed section and open it up again.

Angioplasty may be performed in several different areas of the body and for a variety of reasons, most often:

Peripheral arterial disease, which reduces blood flow in the arms or legs
Atherosclerosis, or general hardening of the arteries
Carotid artery stenosis, or narrowing of the arteries in the neck that supply the brain
Coronary artery disease, or narrowing of the arteries near the heart
Renal vascular hypertension, or narrowing of the arteries in the kidney, leading to increased blood pressure

During angioplasty, a patient is given a sedative while lying on a table under an x-ray machine. A catheter (a thin, flexible, and hollow tube) is inserted into the patient's skin in the arm or groin and guided into the blocked artery. Dye is injected via the catheter, and x-rays are used to position the tip of the catheter exactly at the blockage. The tiny balloon is guided through the catheter and inflated with saline. It pushes the plaque out of the way, squishing it against the walls of the artery. The balloon may be inflated and deflated several times to let blood pass by. A stent, a tiny tube of metal mesh like a spring, may be inserted to help keep the artery open. Then the x-ray is used again to check that blood is flowing properly, the catheter is removed, and the tiny incision is bandaged.

There are no nerves within veins and arteries, so an angioplasty is generally not painful. However, there may be some discomfort at the site of the incision and when the balloon is inflated. Overall, angioplasty is a very effective and low-risk procedure, useful for helping patients avoid more difficult bypass surgery.

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.

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.

cardiac procedures	214
doctor visit	170
hospital care	1159
inpatient care	1160
minimally invasive procedures	16
nuclear scan	114
stress testing	112
ultrasound (sonogram)	102

**Gender**
Male	325
Female	415

**Ethnicity**
Non-Hispanic White	327
Black	249
Hispanic	140
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	259
From 75 to 84	212
85 and over	105
Less than 65	164

Hypertension	75
High Cholesterol	73
Stroke	15
Ischemic Heart Disease	72
Depression	28
Chronic Kidney Disease	49
Asthma	13
Osteoperosis	9
Atrial Fibrilation	24
Heart Failure	46
Chronic Obstructive Pulmonary Disease	31
Diabetes	55
Dementia	25
Cancer	10

cardiac procedures	277
catheterization	8
diagnostic procedures	11
doctor visit	144
hospital care	1328
inpatient care	1329
minimally invasive procedures	7
nuclear scan	106
stress testing	145
ultrasound (sonogram)	120
vascular procedures	6

**Gender**
Male	367
Female	402

**Ethnicity**
Non-Hispanic White	384
Black	236
Hispanic	124
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	304
From 75 to 84	201
85 and over	125
Less than 65	139

Hypertension	75
High Cholesterol	73
Stroke	18
Ischemic Heart Disease	71
Depression	28
Chronic Kidney Disease	58
Asthma	13
Osteoperosis	11
Atrial Fibrilation	29
Heart Failure	53
Chronic Obstructive Pulmonary Disease	35
Diabetes	56
Dementia	25
Cancer	14

cardiac procedures	217
catheterization	9
diagnostic procedures	12
doctor visit	195
hospital care	1794
inpatient care	1795
minimally invasive procedures	8
nuclear scan	43
stress testing	95
ultrasound (sonogram)	109
vascular procedures	7

**Gender**
Male	718
Female	580

**Ethnicity**
Non-Hispanic White	934
Black	218
Hispanic	112
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	472
From 75 to 84	454
85 and over	218
Less than 65	154

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	75
Depression	26
Chronic Kidney Disease	58
Asthma	19
Osteoperosis	7
Atrial Fibrilation	41
Heart Failure	62
Chronic Obstructive Pulmonary Disease	29
Diabetes	47
Dementia	20
Cancer	17

angioplasty	28
cardiac procedures	307
catheterization	74
diagnostic procedures	32
doctor visit	280
hospital care	2124
inpatient care	2125
minimally invasive procedures	73
nuclear scan	52
stent placement (stenting)	14
stress testing	105
ultrasound (sonogram)	124
vascular procedures	27

**Gender**
Male	340
Female	261

**Ethnicity**
Non-Hispanic White	413
Black	118
Hispanic	53
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	221
From 75 to 84	215
85 and over	103
Less than 65	62

Hypertension	75
High Cholesterol	71
Stroke	18
Ischemic Heart Disease	75
Depression	27
Chronic Kidney Disease	62
Asthma	29
Osteoperosis	8
Atrial Fibrilation	38
Heart Failure	60
Chronic Obstructive Pulmonary Disease	28
Diabetes	47
Dementia	23
Cancer	17

angioplasty	38
cardiac procedures	432
catheterization	123
diagnostic procedures	66
doctor visit	381
hospital care	2061
inpatient care	2046
minimally invasive procedures	133
nuclear scan	67
outpatient care	15
stent placement (stenting)	19
stress testing	148
ultrasound (sonogram)	157
vascular procedures	61

**Gender**
Male	327
Female	316

**Ethnicity**
Non-Hispanic White	465
Black	108
Hispanic	46
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	293
From 75 to 84	187
85 and over	114
Less than 65	49

Hypertension	75
High Cholesterol	71
Stroke	14
Ischemic Heart Disease	73
Depression	27
Chronic Kidney Disease	58
Asthma	8
Osteoperosis	8
Atrial Fibrilation	38
Heart Failure	52
Chronic Obstructive Pulmonary Disease	26
Diabetes	45
Dementia	22
Cancer	19

angioplasty	26
cardiac procedures	579
catheterization	111
diagnostic procedures	72
doctor visit	565
hospital care	2659
inpatient care	2660
minimally invasive procedures	125
nuclear scan	104
stent placement (stenting)	13
stress testing	239
ultrasound (sonogram)	237
vascular procedures	79

**Gender**
Male	397
Female	355

**Ethnicity**
Non-Hispanic White	534
Black	127
Hispanic	52
Asian	25
Other	14
Native American	0

**Age**
From 65 to 74	287
From 75 to 84	263
85 and over	124
Less than 65	78

Hypertension	75
High Cholesterol	71
Stroke	13
Ischemic Heart Disease	69
Depression	27
Chronic Kidney Disease	54
Asthma	10
Osteoperosis	10
Atrial Fibrilation	34
Heart Failure	47
Chronic Obstructive Pulmonary Disease	24
Diabetes	44
Dementia	23
Cancer	15

angioplasty	32
cardiac procedures	649
catheterization	97
diagnostic procedures	49
doctor visit	738
hospital care	1952
inpatient care	1940
minimally invasive procedures	108
nuclear scan	50
outpatient care	12
stent placement (stenting)	16
stress testing	285
ultrasound (sonogram)	298
vascular procedures	79

**Gender**
Male	418
Female	393

**Ethnicity**
Non-Hispanic White	594
Black	126
Hispanic	57
Asian	20
Other	14
Native American	0

**Age**
From 65 to 74	328
From 75 to 84	272
85 and over	139
Less than 65	72

Hypertension	75
High Cholesterol	71
Stroke	12
Ischemic Heart Disease	67
Depression	24
Chronic Kidney Disease	54
Asthma	10
Osteoperosis	10
Atrial Fibrilation	33
Heart Failure	46
Chronic Obstructive Pulmonary Disease	24
Diabetes	41
Dementia	22
Cancer	16

cardiac procedures	902
catheterization	21
diagnostic procedures	24
doctor visit	984
hospital care	1112
inpatient care	1113
minimally invasive procedures	20
nuclear scan	73
stress testing	434
ultrasound (sonogram)	502
vascular procedures	92

**Gender**
Male	463
Female	393

**Ethnicity**
Non-Hispanic White	677
Black	101
Hispanic	47
Asian	11
Other	20
Native American	0

**Age**
From 65 to 74	398
From 75 to 84	287
85 and over	128
Less than 65	43

Hypertension	75
High Cholesterol	67
Stroke	11
Ischemic Heart Disease	64
Depression	20
Chronic Kidney Disease	43
Asthma	7
Osteoperosis	8
Atrial Fibrilation	29
Heart Failure	35
Chronic Obstructive Pulmonary Disease	16
Diabetes	34
Dementia	16
Cancer	16

Average Medicare Procedure Volume From 2013 - 2021

Volume of procedures performed by Dr. Michael John Stephen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Michael John Stephen, MD treated as an interventional cardiologist in Houston, TX were hospital care, inpatient care, cardiac procedures and chronic care.

abdominal imaging	10
angioplasty	31
cardiac procedures	649
catheterization	61
chronic care	354
diagnostic procedures	38
doctor visit	687
hospital care	1756
inpatient care	1753
minimally invasive procedures	60
nuclear scan	90
outpatient care	13
pelvic imaging	10
stent placement (stenting)	15
stress testing	304
ultrasound (sonogram)	319
vascular procedures	72

Average Medicare Patient Data From 2013 - 2021

Information about Medicare patients treated by Dr. Michael John Stephen, MD.

**Gender**
Female	311
Male	335

**Ethnicity**
Black / African American	128
Asian / Pacific Islander	6
Non-Hispanic White	432
Native American / Alaskan Native	0
Hispanic	63
Other	4

**Age**
85 and over	105
75 to 84	209
Less than 65	76
65 to 74	256

Average of Total of Conditions of Medicare patients treated by Dr. Michael John Stephen, MD From 2013 - 2021

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

Hypertension	60
High Cholesterol	57
Stroke	11
Ischemic Heart Disease	56
Depression	20
Chronic Kidney Disease	43
Asthma	10
Osteoporosis	7
Heart Failure	40
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Atrial Fibrillation	26
Cancer	12
Dementia	17

Education & Training

Dr. Michael John Stephen, MD graduated from University of Texas Medical School at Houston in 2005. He completed residency at University of Texas Health Science Center at Houston and Affiliated Hospitals. He has a state license in Texas.

Medical School: University of Texas Medical School at Houston (2005)

Residency: University of Texas Health Science Center at Houston and Affiliated Hospitals (2008)

Licensed In: Texas

Affiliations & Hospitals

Dr. Michael John Stephen, MD is associated with these hospitals and organizations:

Houston Methodist

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General Payments

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

**Payments by Company**
St. Jude Medical, Inc.	$2,950 CRM $1,365	Electrophysiology $664	Vascular $340	Structural Heart $335	Fortify Assura and Ellipse $171	Other $74
BIOTRONIK INC.	$2,686 Bradycardia products $1,418	Astron $182	Setrox $50	Passeo $31	Etrinsa $26	Other $979
Abbott Laboratories	$2,662 CRT-Ds $430	Quadra Assura CRT Defibrillator $385	Accent Pacemaker $331	CardioMEMS $330	Pacemakers $280	Other $905
Janssen Pharmaceuticals, Inc	$1,412 XARELTO $1,390	INVOKANA $22
Pfizer Inc.	$1,062 ELIQUIS $553	NURTEC ODT $193	VYNDAQEL $176	VIAGRA $107	CHANTIX $34
Other	$5,468 Endurant $589	Repatha $553	ELIQUIS $430	BRILINTA $423	Atherectomy Device $277	Other $3,195

**Types of Payments**
Food and Beverage	$15,792
Travel and Lodging	$396
Education	$52

Biography

Dr. Michael Stephen is an adult cardiology and interventional cardiology specialist. Before performing his residency at a hospital affiliated with the University of Texas Health Science Center at Houston, Dr. Stephen attended the University of Texas Medical School at Houston for medical school. Dr. Stephen's areas of expertise include heart valve disease, hypertension (high blood pressure), and high cholesterol (hyperlipidemia). He is affiliated with Houston Methodist.