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Dr. Christopher John Coyne, MD, MPH

Accepting New Patients

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Specializes in: Emergency Medicine

University of California, San Diego (UCSD), School of Medicine

Professional interests include: stroke, trauma, heart attack, and more.

200 W. Arbor Drive
San Diego, CA 92103

1-800-926-8273

Dr. Christopher John Coyne, MD, MPH is an emergency medicine doctor in San Diego, CA specializing in emergency medicine. He graduated from University of California, San Diego (UCSD), School of Medicine. Dr. Christopher John Coyne, MD, MPH is affiliated with UC San Diego Health and Regents of the University of California.

Office Locations

Address:

200 W. Arbor Drive
San Diego, CA 92103

Address:

8910 Villa La Jolla Drive
San Diego, CA 92037

Address:

9300 Campus Point Drive
San Diego, CA 92037

Some issues Dr. Christopher John Coyne, MD, MPH 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.

Stroke

A stroke is a medical emergency that occurs when a blood vessel supplying oxygen and nutrients to the brain is ruptured or blocked. The brain cannot function without a steady supply of oxygen and nutrients, so when the blood supply to the brain is interrupted, even for a brief moment, brain cells begin to die. When a sufficient number of brain cells die, the brain itself can no longer function, meaning that strokes are very dangerous. Strokes can result in impaired movement, speech, cognitive ability, the impairment of important physical functions, and even death.

Anyone can have a stroke, regardless of age and health. Strokes are known to happen at random. However, certain conditions and behaviors can increase one's risk of stroke over time.

Risk factors for stroke include:

Heart disease
Older age
Smoking
Diabetes
High blood pressure
High blood cholesterol and lipids

There are two main types of stroke: ischemic stroke and hemorrhagic stroke. Ischemic stroke occurs more commonly and is when a blood vessel in the brain becomes blocked. Blockages are caused by blood clots and built-up plaque (deposits of fat and cholesterol), which leads to atherosclerosis, a condition where the blood vessels narrow and harden. The resultant restricted blood flow may lead to an ischemic stroke by blocking essential oxygen to the brain, causing the heart to exert more effort to pump blood.

Hemorrhagic stroke occurs when a blood vessel in or around the brain ruptures. The burst vessel leaks blood into surrounding brain tissue, causing irreparable brain damage.

Hemorrhagic strokes are less common and may occur from head injuries, brain aneurysms, brain tumors, and bleeding disorders, amongst other conditions.

Both ischemic and hemorrhagic strokes require immediate medical treatment. Medical intervention can prevent severe and life-threatening brain damage. Signs of stroke include:

-Disorientation or confusion

-Difficulty speaking

-Difficulty walking

-Impaired vision

-Weakness in the face, legs, or arms

-Severe headaches

When someone suspected of having a stroke reaches the hospital, the patient will usually receive a CT or other scan that provides an image of the brain. The scan results can reveal clotted or leaking blood in the brain. Physical exams, neurological exams, and blood tests may also be used to check for blood clotting and sugar. Treatment begins generally immediately if a stroke is detected.

Medical treatment for ischemic strokes includes a thrombolytic medicine which breaks up and disperses blood clots. This medicine can greatly improve stroke recovery and long-term health. However, the thrombolytic medicine must be administered as soon as possible to achieve these results. Other treatments for ischemic strokes are blood thinners and thrombectomy, a surgical procedure to remove a blood clot in the brain. Thrombectomy is performed by inserting a catheter (thin needle) into the artery to reach the blood clot and mechanically remove it. With the clot removed, normal blood flow to the brain resumes. Thrombectomy is typically performed at most six hours after a patient shows signs of a stroke.

Hemorrhagic strokes are treated with blood-saving medication and surgery. For a hemorrhagic stroke caused by the rupture of an aneurysm (blood vessel bulges), surgery to stem the bleeding aneurysm and vessel may be used. One surgical technique is stent-assisted coiling, which adds a stent (small wire-meshed tube) into the blood vessel to block the leaking opening of the aneurysm. A non-surgical procedure is endovascular coiling, where a catheter (thin, hollow needle) places a platinum wire coil at the spot of the aneurysm. The coil blocks bleeding and prevents the aneurysm from continuing to leak blood. These procedures are usually combined with blood-thickening medications. Blood transfusions may be administered if substantial blood loss has occurred.

Since stroke patients may have lost some essential functions while the blood flow to their brains was obstructed, both ischemic stroke and hemorrhage stroke patients may receive post-stroke rehabilitation to rebuild their physical and mental abilities. Some restorative treatments include occupational, physical, and speech therapy. Patients may also receive care from neurologists, who can assist patients in recovering certain brain functions and cognitive abilities, and rehabilitation psychologists, who may help patients with their emotional, behavioral, and cognitive recovery. Some stroke patients require lengthy rehabilitation and may never fully regain function, while others may recover more quickly. While the fastest recovery improvements are usually seen in the first three or four months, stroke rehabilitation can last for years.

If someone begins to show signs of stroke, contact emergency services and call 9-1-1 immediately since blood flow must be restored as soon as possible to help avoid significant brain damage. If an ambulance takes the person to the hospital, paramedics can initiate stroke treatment as soon as the patient enters the ambulance, allowing for more prompt medical intervention and care.

emergency care	68

**Gender**
Male	33
Female	41

**Ethnicity**
Non-Hispanic White	52
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	20
From 75 to 84	13
85 and over	14
Less than 65	27

Hypertension	72
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	47
Depression	45
Chronic Kidney Disease	32
Asthma	19
Osteoperosis	15
Atrial Fibrilation	16
Heart Failure	27
Chronic Obstructive Pulmonary Disease	30
Diabetes	28
Dementia	24
Cancer	19

emergency care	190

**Gender**
Male	212
Female	180

**Ethnicity**
Non-Hispanic White	250
Black	32
Hispanic	66
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	80
85 and over	64
Less than 65	120

Hypertension	75
High Cholesterol	56
Stroke	10
Ischemic Heart Disease	49
Depression	40
Chronic Kidney Disease	42
Asthma	21
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	29
Chronic Obstructive Pulmonary Disease	24
Diabetes	38
Dementia	19
Cancer	14

emergency care	406

**Gender**
Male	219
Female	208

**Ethnicity**
Non-Hispanic White	176
Black	32
Hispanic	187
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	105
85 and over	68
Less than 65	117

Hypertension	75
High Cholesterol	56
Stroke	10
Ischemic Heart Disease	48
Depression	39
Chronic Kidney Disease	48
Asthma	26
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	35
Chronic Obstructive Pulmonary Disease	23
Diabetes	48
Dementia	21
Cancer	13

emergency care	612

**Gender**
Male	304
Female	334

**Ethnicity**
Non-Hispanic White	311
Black	61
Hispanic	212
Asian	39
Other	0
Native American	0

**Age**
From 65 to 74	217
From 75 to 84	173
85 and over	79
Less than 65	169

Hypertension	75
High Cholesterol	52
Stroke	11
Ischemic Heart Disease	49
Depression	42
Chronic Kidney Disease	49
Asthma	16
Osteoperosis	15
Atrial Fibrilation	18
Heart Failure	37
Chronic Obstructive Pulmonary Disease	26
Diabetes	42
Dementia	26
Cancer	12

doctor visit	8
emergency care	497
hospital care	16
outpatient care	16

**Gender**
Male	285
Female	252

**Ethnicity**
Non-Hispanic White	321
Black	57
Hispanic	102
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	202
From 75 to 84	97
85 and over	74
Less than 65	164

Hypertension	74
High Cholesterol	55
Stroke	9
Ischemic Heart Disease	48
Depression	47
Chronic Kidney Disease	49
Asthma	15
Osteoperosis	13
Atrial Fibrilation	16
Heart Failure	33
Chronic Obstructive Pulmonary Disease	25
Diabetes	35
Dementia	23
Cancer	15

doctor visit	26
emergency care	394
hospital care	12
outpatient care	12

**Gender**
Male	228
Female	236

**Ethnicity**
Non-Hispanic White	283
Black	52
Hispanic	82
Asian	25
Other	0
Native American	0

**Age**
From 65 to 74	150
From 75 to 84	122
85 and over	55
Less than 65	137

Hypertension	75
High Cholesterol	57
Stroke	14
Ischemic Heart Disease	52
Depression	49
Chronic Kidney Disease	55
Asthma	16
Osteoperosis	16
Atrial Fibrilation	19
Heart Failure	41
Chronic Obstructive Pulmonary Disease	30
Diabetes	38
Dementia	27
Cancer	16

doctor visit	58
emergency care	371

**Gender**
Male	235
Female	230

**Ethnicity**
Non-Hispanic White	305
Black	48
Hispanic	72
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	95
85 and over	63
Less than 65	119

Hypertension	75
High Cholesterol	52
Stroke	9
Ischemic Heart Disease	44
Depression	43
Chronic Kidney Disease	49
Asthma	12
Osteoperosis	15
Atrial Fibrilation	15
Heart Failure	35
Chronic Obstructive Pulmonary Disease	24
Diabetes	35
Dementia	23
Cancer	13

doctor visit	64
emergency care	709
hospital care	40
lab tests	11
outpatient care	40

Average Medicare Procedure Volume From 2014 - 2021

Volume of procedures performed by Dr. Christopher John Coyne, MD, MPH for Medicare patients.

The highest averages for the top procedures that Dr. Christopher John Coyne, MD, MPH treated as an emergency medicine doctor in San Diego, CA were emergency care, hospital care, outpatient care and lab tests.

doctor visit	40
emergency care	405
hospital care	22
lab tests	11
outpatient care	22

Average Medicare Patient Data From 2014 - 2021

Information about Medicare patients treated by Dr. Christopher John Coyne, MD, MPH.

**Gender**
Female	148
Male	151

**Ethnicity**
Black / African American	28
Asian / Pacific Islander	12
Non-Hispanic White	169
Native American / Alaskan Native	0
Hispanic	72
Other	0

**Age**
85 and over	41
75 to 84	68
Less than 65	85
65 to 74	104

Average of Total of Conditions of Medicare patients treated by Dr. Christopher John Coyne, MD, MPH From 2014 - 2021

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

Hypertension	52
High Cholesterol	36
Stroke	6
Ischemic Heart Disease	33
Depression	30
Chronic Kidney Disease	32
Asthma	12
Osteoporosis	9
Heart Failure	23
Chronic Obstructive Pulmonary Disease	18
Diabetes	26
Atrial Fibrillation	11
Cancer	10
Dementia	16

Education & Training

Dr. Christopher John Coyne, MD, MPH graduated from University of California, San Diego (UCSD), School of Medicine. He completed residency at Los Angeles County+USC Medical Center. He is certified by the American Board of Emergency Medicine and has a state license in California.

Medical School: University of California, San Diego (UCSD), School of Medicine

Residency: Los Angeles County+USC Medical Center

Board Certification: American Board of Emergency Medicine

Licensed In: California

Affiliations & Hospitals

Dr. Christopher John Coyne, MD, MPH is associated with these hospitals and organizations:

UC San Diego Health

Regents of the University of California

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General Payments

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

**Payments by Company**
Gilead Sciences, Inc.	$63,670 $63,670
FUJIFILM SonoSite, Inc.	$1,138 SONOSITE NANOMAXX SERIES ULTRASOUND SYSTEM $1,138
AstraZeneca Pharmaceuticals LP	$521 $521
Konica Minolta Healthcare Americas, Inc	$115 $115
Paratek Pharmaceuticals, Inc.	$36 NUZYRA $36
Other	$56 ADASUVE $31	XARELTO $25

**Types of Payments**
Consulting Fee	$64,083
Honoraria	$1,000
Food and Beverage	$418
Education	$36

Research Payments

Dr. Christopher John Coyne, MD, MPH has received 2 research payments totaling $17,692.

Biography

Dr. Christopher Coyne's area of specialization is emergency medicine. Dr. Coyne has indicated that his clinical interests include heart attack, stroke, and trauma. He studied medicine at the University of California, San Diego (UCSD), School of Medicine and the University of Southern California (USC), Keck School of Medicine. For his residency, Dr. Coyne trained at Los Angeles County+USC Medical Center and a hospital affiliated with the University of California, San Diego (UCSD). Dr. Coyne's professional affiliations include UC San Diego Health and Regents of the University of California. His practice in San Diego, CA is open to new patients as reported by UC San Diego Health.