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Dr. Allyson R. Zazulia, MD

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Specializes in: Neurology (Brain & Spinal Cord Disease)

Georgetown University School of Medicine (1994)

Professional interests include: intracerebral hemorrhage, stroke, cerebrovascular disease

4921 Parkview Place Floor: 6, Suite: C
Saint Louis, MO 63110

(314) 362-7382

Dr. Allyson R. Zazulia, MD is a neurologist in Louis, MO specializing in neurology (brain & spinal cord disease). She graduated from Georgetown University School of Medicine in 1994 and has 32 years of experience. Dr. Allyson R. Zazulia, MD is affiliated with WashU Medicine.

Office Locations

4921 Parkview Pl Street
Louis, MO 63110

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4921 Parkview Place Div Neurology Stroke, Suite 6c
Saint Louis, MO 63110

(314) 362-7382

(314) 747-3342

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4921 Parkview Place Floor: 6, Suite: C
Saint Louis, MO 63110

(314) 362-7382

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Some issues Dr. Allyson R. Zazulia, MD can help you with:

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.

In The News

“The findings are important, said Dr. Allyson Zazulia, associate professor of neurology at the Washington University School of Medicine in St. Louis, because "both atrial fibrillation and dementia...”—"Unsteady Heartbeat Could Spell Early Dementia", Huff Post, June 2013

“Dr. Allyson Robyn Zazulia and Dr. Michael Neil Diringer, neurologists in St. Louis, are to be married today by Rabbi Mark Raphael at the Inn at Perry Cabin in St. Michaels, Md.”—"WEDDINGS; Allyson Zazulia, Michael Diringer (Published 2001)", New York Times, June 2001

Noteworthy Medicare Patient Procedures Performed by Dr. Allyson R. Zazulia, MD in 2024

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

Top 25%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, Dr. Allyson R. Zazulia, MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Missouri. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Allyson R. Zazulia, MD for Medicare patients.

doctor visit	53

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Allyson R. Zazulia, MD treated as a neurologist in Louis, MO during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Allyson R. Zazulia, MD for Medicare patients.

doctor visit	50
hospital care	359
inpatient care	359

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Allyson R. Zazulia, MD.

**Gender**
Male	90
Female	87

**Ethnicity**
Non-Hispanic White	113
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	52
85 and over	35
Less than 65	36

Conditions of Medicare patients treated by Dr. Allyson R. Zazulia, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	75
Ischemic Heart Disease	62
Depression	41
Chronic Kidney Disease	45
Asthma	11
Osteoperosis	7
Atrial Fibrilation	31
Heart Failure	36
Chronic Obstructive Pulmonary Disease	23
Diabetes	49
Dementia	27
Cancer	18

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Allyson R. Zazulia, MD treated as a neurologist in Louis, MO during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Allyson R. Zazulia, MD for Medicare patients.

doctor visit	83
hospital care	180
inpatient care	180

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Allyson R. Zazulia, MD.

**Gender**
Male	68
Female	76

**Ethnicity**
Non-Hispanic White	94
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	45
From 75 to 84	33
85 and over	20
Less than 65	46

Conditions of Medicare patients treated by Dr. Allyson R. Zazulia, MD in 2014

Hypertension	75
High Cholesterol	69
Stroke	65
Ischemic Heart Disease	42
Depression	44
Chronic Kidney Disease	35
Asthma	8
Osteoperosis	12
Atrial Fibrilation	26
Heart Failure	24
Chronic Obstructive Pulmonary Disease	19
Diabetes	42
Dementia	24
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Allyson R. Zazulia, MD treated as a neurologist in Louis, MO during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Allyson R. Zazulia, MD for Medicare patients.

doctor visit	32
hospital care	199
inpatient care	199

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Allyson R. Zazulia, MD.

**Gender**
Male	80
Female	122

**Ethnicity**
Non-Hispanic White	136
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	64
85 and over	40
Less than 65	28

Conditions of Medicare patients treated by Dr. Allyson R. Zazulia, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	75
Ischemic Heart Disease	50
Depression	33
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	0
Atrial Fibrilation	33
Heart Failure	37
Chronic Obstructive Pulmonary Disease	18
Diabetes	43
Dementia	29
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Allyson R. Zazulia, MD treated as a neurologist in Louis, MO during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Allyson R. Zazulia, MD for Medicare patients.

doctor visit	26
hospital care	278
inpatient care	278

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Allyson R. Zazulia, MD.

**Gender**
Male	85
Female	78

**Ethnicity**
Non-Hispanic White	110
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	48
85 and over	28
Less than 65	28

Conditions of Medicare patients treated by Dr. Allyson R. Zazulia, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	75
Ischemic Heart Disease	54
Depression	32
Chronic Kidney Disease	48
Asthma	24
Osteoperosis	0
Atrial Fibrilation	29
Heart Failure	37
Chronic Obstructive Pulmonary Disease	24
Diabetes	44
Dementia	24
Cancer	18

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Allyson R. Zazulia, MD treated as a neurologist in Louis, MO during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Allyson R. Zazulia, MD for Medicare patients.

doctor visit	44
hospital care	203
inpatient care	203

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Allyson R. Zazulia, MD.

**Gender**
Male	61
Female	64

**Ethnicity**
Non-Hispanic White	92
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	26
85 and over	25
Less than 65	20

Conditions of Medicare patients treated by Dr. Allyson R. Zazulia, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	75
Ischemic Heart Disease	46
Depression	36
Chronic Kidney Disease	50
Asthma	0
Osteoperosis	9
Atrial Fibrilation	38
Heart Failure	29
Chronic Obstructive Pulmonary Disease	18
Diabetes	42
Dementia	30
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Allyson R. Zazulia, MD treated as a neurologist in Louis, MO during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Allyson R. Zazulia, MD for Medicare patients.

doctor visit	42
hospital care	229
inpatient care	229

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Allyson R. Zazulia, MD.

**Gender**
Male	58
Female	76

**Ethnicity**
Non-Hispanic White	94
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	37
From 75 to 84	48
85 and over	23
Less than 65	26

Conditions of Medicare patients treated by Dr. Allyson R. Zazulia, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	75
Ischemic Heart Disease	49
Depression	44
Chronic Kidney Disease	49
Asthma	10
Osteoperosis	8
Atrial Fibrilation	28
Heart Failure	43
Chronic Obstructive Pulmonary Disease	27
Diabetes	44
Dementia	36
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Allyson R. Zazulia, MD treated as a neurologist in Louis, MO during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Allyson R. Zazulia, MD for Medicare patients.

doctor visit	23
hospital care	165
inpatient care	165

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Allyson R. Zazulia, MD.

**Gender**
Male	61
Female	59

**Ethnicity**
Non-Hispanic White	92
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	45
From 75 to 84	44
85 and over	14
Less than 65	17

Conditions of Medicare patients treated by Dr. Allyson R. Zazulia, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	75
Ischemic Heart Disease	55
Depression	36
Chronic Kidney Disease	49
Asthma	0
Osteoperosis	13
Atrial Fibrilation	30
Heart Failure	41
Chronic Obstructive Pulmonary Disease	25
Diabetes	51
Dementia	25
Cancer	19

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Allyson R. Zazulia, MD treated as a neurologist in Louis, MO during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Allyson R. Zazulia, MD for Medicare patients.

hospital care	64
inpatient care	64

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Allyson R. Zazulia, MD.

**Gender**
Male	25
Female	32

**Ethnicity**
Non-Hispanic White	45
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	25
From 75 to 84	0
85 and over	11
Less than 65	0

Conditions of Medicare patients treated by Dr. Allyson R. Zazulia, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	72
Ischemic Heart Disease	47
Depression	39
Chronic Kidney Disease	39
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	23
Chronic Obstructive Pulmonary Disease	19
Diabetes	37
Dementia	23
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Allyson R. Zazulia, MD treated as a neurologist in Louis, MO during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Allyson R. Zazulia, MD for Medicare patients.

hospital care	12
inpatient care	12

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Allyson R. Zazulia, MD.

**Gender**
Male	24
Female	17

**Ethnicity**
Non-Hispanic White	28
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	11
From 75 to 84	17
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Allyson R. Zazulia, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	61
Ischemic Heart Disease	46
Depression	32
Chronic Kidney Disease	59
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	34
Chronic Obstructive Pulmonary Disease	0
Diabetes	41
Dementia	27
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Allyson R. Zazulia, MD.

**Gender**
Male	23
Female	16

**Ethnicity**
Non-Hispanic White	28
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	18
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Allyson R. Zazulia, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	75
Ischemic Heart Disease	49
Depression	33
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	0
Atrial Fibrilation	51
Heart Failure	51
Chronic Obstructive Pulmonary Disease	0
Diabetes	46
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Allyson R. Zazulia, MD.

**Gender**
Male	13
Female	17

**Age**
From 65 to 74	0
From 75 to 84	14
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Allyson R. Zazulia, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	67
Ischemic Heart Disease	0
Depression	40
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	47
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Allyson R. Zazulia, MD treated as a neurologist in Louis, MO during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. Allyson R. Zazulia, MD for Medicare patients.

hospital care	29
inpatient care	29

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Allyson R. Zazulia, MD.

**Gender**
Male	24
Female	15

**Ethnicity**
Non-Hispanic White	28
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	17
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Allyson R. Zazulia, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	75
Ischemic Heart Disease	36
Depression	33
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	0
Atrial Fibrilation	31
Heart Failure	28
Chronic Obstructive Pulmonary Disease	0
Diabetes	38
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Allyson R. Zazulia, MD for Medicare patients.

The highest averages for the top procedures that Dr. Allyson R. Zazulia, MD treated as a neurologist in Louis, MO were hospital care and inpatient care.

doctor visit	44
hospital care	171
inpatient care	171

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Allyson R. Zazulia, MD.

**Gender**
Male	47
Female	50

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	66
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	29
85 and over	15
Less than 65	15
65 to 74	30

Average of Total of Conditions of Medicare patients treated by Dr. Allyson R. Zazulia, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Allyson R. Zazulia, MD treated were hypertension, high cholesterol, stroke and ischemic heart disease.

Hypertension	69
High Cholesterol	68
Stroke	66
Ischemic Heart Disease	41
Depression	34
Chronic Kidney Disease	38
Asthma	4
Osteoporosis	3
Heart Failure	29
Chronic Obstructive Pulmonary Disease	13
Diabetes	40
Atrial Fibrillation	22
Dementia	18
Cancer	7

Education & Training

Dr. Allyson R. Zazulia, MD graduated from Georgetown University School of Medicine in 1994. She completed residency at Washington University Medical Center in St. Louis. She is certified by the Board Certification: Vascular Neurology and has a state license in Missouri.

Medical School: Georgetown University School of Medicine (1994)

Residency: Washington University Medical Center in St. Louis (1998)

Board Certification: Board Certification: Vascular Neurology

Licensed In: Missouri

Affiliations & Hospitals

Dr. Allyson R. Zazulia, MD is associated with these hospitals and organizations:

WashU Medicine

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General Payments

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

**Payments by Company**
Stryker Corporation	$250 Trevo $250

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$250

Biography

Dr. Allyson Zazulia is a specialist in neurology (brain & spinal cord disease). She works in Saint Louis, MO. Before performing her residency at Washington University Medical Center in St. Louis, Dr. Zazulia attended Georgetown University School of Medicine. In her practice, Dr. Zazulia focuses on stroke and intracerebral hemorrhage. She is affiliated with WashU Medicine and Barnes-Jewish Hospital.