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Dr. Marinos Kontzialis, MD

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(Marinos Kontzialis, MD)

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Specializes in: Diagnostic Radiology, General Practice and Neuroradiology

University of Athens Faculty of Medicine (2005)

Professional interests include: MRI angiogram (MRA), spine imaging, CT angiogram, and more.

676 N St Clair Street Arkes Pavilion, Suite 1400
Chicago, IL 60611

(847) 234-5600

Dr. Marinos Kontzialis, MD is a diagnostic radiologist in Chicago, IL specializing in diagnostic radiology, general practice and neuroradiology. He graduated from University of Athens Faculty of Medicine in 2005 and has 21 years of experience. Dr. Marinos Kontzialis, MD is affiliated with Northwestern Medicine, Northwestern University Feinberg School of Medicine and Northwestern Medical Group.

Office Locations

676 N St Clair Street Arkes Pavilion, Suite 1400
Chicago, IL 60611

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1000 N Westmoreland Road
Lake Forest, IL 60045

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Noteworthy Medicare Patient Procedures Performed by Dr. Marinos Kontzialis, MD in 2023

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

Top 5%

By Volume:

MRI

neck imaging

ophthalmic imaging

By Affordability:

X-rays

In 2023, among providers in related specialties within Illinois, Dr. Marinos Kontzialis, MD performed more MRI (magnetic resonance imaging), neck imaging, and ophthalmic (eye and orbit) imaging procedures for Medicare patients than 95% of them and he also had a list price for X-rays that was lower than the list prices billed to Medicare by 95% of them. 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.

Top 10%

By Volume:

brain imaging

In 2023, Dr. Marinos Kontzialis, MD performed more brain imaging (neuroimaging) procedures for Medicare patients than 90% of providers in related specialties within Illinois.

Top 25%

By Volume:

MRI angiogram

spine imaging

By Affordability:

In 2012, among providers in related specialties within Illinois, Dr. Marinos Kontzialis, MD performed more MRI angiogram (MRA), and spine imaging procedures for Medicare patients than 75% of them and he also had a list price for CT scan, MRI (magnetic resonance imaging), neck X-ray, and spine X-ray that was lower than the list prices billed to Medicare by 75% of them. 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

2014 Medicare Procedure Volume

The top procedures that Dr. Marinos Kontzialis, MD treated as a diagnostic radiologist in Chicago, IL during 2014 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Marinos Kontzialis, MD for Medicare patients.

brain imaging (neuroimaging)	479
CT scan	441
diagnostic procedures	16
MRI (magnetic resonance imaging)	279
neck imaging	25
spinal procedures	233
vascular procedures	30

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Marinos Kontzialis, MD.

**Gender**
Male	292
Female	347

**Ethnicity**
Non-Hispanic White	427
Black	163
Hispanic	13
Asian	23
Other	13
Native American	0

**Age**
From 65 to 74	259
From 75 to 84	158
85 and over	65
Less than 65	157

Conditions of Medicare patients treated by Dr. Marinos Kontzialis, MD in 2014

Hypertension	75
High Cholesterol	57
Stroke	27
Ischemic Heart Disease	51
Depression	35
Chronic Kidney Disease	36
Asthma	12
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Dementia	20
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Marinos Kontzialis, MD treated as a diagnostic radiologist in Chicago, IL during 2015 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Marinos Kontzialis, MD for Medicare patients.

brain imaging (neuroimaging)	947
CT scan	861
diagnostic procedures	23
eye procedures	19
MRI (magnetic resonance imaging)	558
neck imaging	103
spinal procedures	386
vascular procedures	58
X-rays	12

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Marinos Kontzialis, MD.

**Gender**
Male	1182
Female	1384

**Ethnicity**
Non-Hispanic White	1574
Black	760
Hispanic	128
Asian	52
Other	0
Native American	0

**Age**
From 65 to 74	1060
From 75 to 84	638
85 and over	262
Less than 65	606

Conditions of Medicare patients treated by Dr. Marinos Kontzialis, MD in 2015

Hypertension	75
High Cholesterol	60
Stroke	26
Ischemic Heart Disease	48
Depression	36
Chronic Kidney Disease	39
Asthma	18
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	21
Diabetes	38
Dementia	20
Cancer	18

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Marinos Kontzialis, MD treated as a diagnostic radiologist in Chicago, IL during 2016 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Marinos Kontzialis, MD for Medicare patients.

brain imaging (neuroimaging)	1349
CT scan	1227
diagnostic procedures	21
eye procedures	44
MRI (magnetic resonance imaging)	855
neck imaging	166
spinal procedures	755
vascular procedures	58
X-rays	200

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Marinos Kontzialis, MD.

**Gender**
Male	802
Female	1224

**Ethnicity**
Non-Hispanic White	967
Black	714
Hispanic	277
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	788
From 75 to 84	559
85 and over	209
Less than 65	470

Conditions of Medicare patients treated by Dr. Marinos Kontzialis, MD in 2016

Hypertension	75
High Cholesterol	62
Stroke	20
Ischemic Heart Disease	44
Depression	35
Chronic Kidney Disease	43
Asthma	24
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	30
Chronic Obstructive Pulmonary Disease	20
Diabetes	40
Dementia	24
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Marinos Kontzialis, MD treated as a diagnostic radiologist in Chicago, IL during 2017 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Marinos Kontzialis, MD for Medicare patients.

brain imaging (neuroimaging)	1246
CT scan	1038
diagnostic procedures	14
eye procedures	11
MRI (magnetic resonance imaging)	733
neck imaging	83
spinal procedures	713
vascular procedures	46
X-rays	268

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Marinos Kontzialis, MD.

**Gender**
Male	767
Female	1125

**Ethnicity**
Non-Hispanic White	905
Black	629
Hispanic	260
Asian	64
Other	34
Native American	0

**Age**
From 65 to 74	745
From 75 to 84	523
85 and over	211
Less than 65	413

Conditions of Medicare patients treated by Dr. Marinos Kontzialis, MD in 2017

Hypertension	75
High Cholesterol	55
Stroke	20
Ischemic Heart Disease	42
Depression	37
Chronic Kidney Disease	46
Asthma	14
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	28
Chronic Obstructive Pulmonary Disease	19
Diabetes	41
Dementia	25
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Marinos Kontzialis, MD treated as a diagnostic radiologist in Chicago, IL during 2018 were brain imaging (neuroimaging), CT scan, spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Marinos Kontzialis, MD for Medicare patients.

brain imaging (neuroimaging)	1230
CT scan	1153
diagnostic procedures	19
eye procedures	11
MRI (magnetic resonance imaging)	678
neck imaging	139
spinal procedures	741
vascular procedures	83
X-rays	246

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Marinos Kontzialis, MD.

**Gender**
Male	767
Female	1132

**Ethnicity**
Non-Hispanic White	953
Black	592
Hispanic	262
Asian	53
Other	0
Native American	0

**Age**
From 65 to 74	763
From 75 to 84	517
85 and over	0
Less than 65	406

Conditions of Medicare patients treated by Dr. Marinos Kontzialis, MD in 2018

Hypertension	75
High Cholesterol	67
Stroke	22
Ischemic Heart Disease	42
Depression	36
Chronic Kidney Disease	49
Asthma	12
Osteoperosis	15
Atrial Fibrilation	16
Heart Failure	32
Chronic Obstructive Pulmonary Disease	19
Diabetes	41
Dementia	25
Cancer	17

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Marinos Kontzialis, MD treated as a diagnostic radiologist in Chicago, IL during 2019 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Marinos Kontzialis, MD for Medicare patients.

brain imaging (neuroimaging)	1118
CT scan	1043
diagnostic procedures	19
eye procedures	29
MRI (magnetic resonance imaging)	754
neck imaging	136
spinal procedures	752
vascular procedures	51
X-rays	240

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Marinos Kontzialis, MD.

**Gender**
Male	769
Female	1190

**Ethnicity**
Non-Hispanic White	980
Black	625
Hispanic	262
Asian	49
Other	0
Native American	0

**Age**
From 65 to 74	808
From 75 to 84	571
85 and over	217
Less than 65	363

Conditions of Medicare patients treated by Dr. Marinos Kontzialis, MD in 2019

Hypertension	75
High Cholesterol	66
Stroke	19
Ischemic Heart Disease	44
Depression	35
Chronic Kidney Disease	44
Asthma	13
Osteoperosis	15
Atrial Fibrilation	14
Heart Failure	32
Chronic Obstructive Pulmonary Disease	18
Diabetes	38
Dementia	22
Cancer	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Marinos Kontzialis, MD treated as a diagnostic radiologist in Chicago, IL during 2020 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Marinos Kontzialis, MD for Medicare patients.

brain imaging (neuroimaging)	868
CT scan	754
eye procedures	25
MRI (magnetic resonance imaging)	587
neck imaging	133
spinal procedures	422
vascular procedures	59
X-rays	81

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Marinos Kontzialis, MD.

**Gender**
Male	585
Female	768

**Ethnicity**
Non-Hispanic White	795
Black	346
Hispanic	121
Asian	50
Other	0
Native American	0

**Age**
From 65 to 74	584
From 75 to 84	405
85 and over	145
Less than 65	219

Conditions of Medicare patients treated by Dr. Marinos Kontzialis, MD in 2020

Hypertension	71
High Cholesterol	63
Stroke	18
Ischemic Heart Disease	46
Depression	34
Chronic Kidney Disease	45
Asthma	10
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	30
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	22
Cancer	20

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Marinos Kontzialis, MD treated as a diagnostic radiologist in Chicago, IL during 2021 were brain imaging (neuroimaging), MRI (magnetic resonance imaging), CT scan and spinal procedures.

Volume of procedures performed by Dr. Marinos Kontzialis, MD for Medicare patients.

brain imaging (neuroimaging)	988
CT scan	715
eye procedures	61
MRI (magnetic resonance imaging)	851
neck imaging	196
spinal procedures	465
vascular procedures	117
X-rays	62

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Marinos Kontzialis, MD.

**Gender**
Male	629
Female	795

**Ethnicity**
Non-Hispanic White	947
Black	259
Hispanic	107
Asian	0
Other	56
Native American	0

**Age**
From 65 to 74	633
From 75 to 84	438
85 and over	174
Less than 65	179

Conditions of Medicare patients treated by Dr. Marinos Kontzialis, MD in 2021

Hypertension	72
High Cholesterol	60
Stroke	21
Ischemic Heart Disease	44
Depression	29
Chronic Kidney Disease	42
Asthma	10
Osteoperosis	16
Atrial Fibrilation	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	13
Diabetes	31
Dementia	20
Cancer	20

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Marinos Kontzialis, MD treated as a diagnostic radiologist in Chicago, IL during 2022 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Marinos Kontzialis, MD for Medicare patients.

brain imaging (neuroimaging)	883
CT scan	796
eye procedures	49
MRI (magnetic resonance imaging)	721
neck imaging	188
spinal procedures	486
vascular procedures	74
X-rays	53

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Marinos Kontzialis, MD.

**Gender**
Male	592
Female	781

**Ethnicity**
Non-Hispanic White	909
Black	254
Hispanic	100
Asian	50
Other	60
Native American	0

**Age**
From 65 to 74	572
From 75 to 84	476
85 and over	157
Less than 65	168

Conditions of Medicare patients treated by Dr. Marinos Kontzialis, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	28
Ischemic Heart Disease	36
Depression	29
Chronic Kidney Disease	27
Asthma	13
Osteoperosis	21
Atrial Fibrilation	21
Heart Failure	24
Chronic Obstructive Pulmonary Disease	17
Diabetes	31
Dementia	15
Cancer	23

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Marinos Kontzialis, MD treated as a diagnostic radiologist in Chicago, IL during 2023 were brain imaging (neuroimaging), MRI (magnetic resonance imaging), CT scan and spinal procedures.

Volume of procedures performed by Dr. Marinos Kontzialis, MD for Medicare patients.

brain imaging (neuroimaging)	877
CT scan	732
eye procedures	64
MRI (magnetic resonance imaging)	789
neck imaging	207
spinal procedures	429
vascular procedures	67
X-rays	57

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Marinos Kontzialis, MD.

**Gender**
Male	608
Female	826

**Ethnicity**
Non-Hispanic White	976
Black	237
Hispanic	100
Asian	56
Other	65
Native American	0

**Age**
From 65 to 74	614
From 75 to 84	482
85 and over	173
Less than 65	165

Conditions of Medicare patients treated by Dr. Marinos Kontzialis, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	27
Ischemic Heart Disease	37
Depression	26
Chronic Kidney Disease	26
Asthma	13
Osteoperosis	20
Atrial Fibrilation	23
Heart Failure	25
Chronic Obstructive Pulmonary Disease	18
Diabetes	30
Dementia	13
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2014 - 2023

Volume of procedures performed by Dr. Marinos Kontzialis, MD for Medicare patients.

The highest averages for the top procedures that Dr. Marinos Kontzialis, MD treated as a diagnostic radiologist in Chicago, IL were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

brain imaging (neuroimaging)	998
CT scan	876
diagnostic procedures	18
eye procedures	34
MRI (magnetic resonance imaging)	680
neck imaging	137
spinal procedures	538
vascular procedures	64
X-rays	135

Average Medicare Patient Data From 2014 - 2023

Information about Medicare patients treated by Dr. Marinos Kontzialis, MD.

**Gender**
Female	957
Male	699

**Ethnicity**
Black / African American	457
Asian / Pacific Islander	44
Non-Hispanic White	943
Native American / Alaskan Native	0
Hispanic	163
Other	22

**Age**
75 to 84	476
85 and over	161
Less than 65	314
65 to 74	682

Average of Total of Conditions of Medicare patients treated by Dr. Marinos Kontzialis, MD From 2014 - 2023

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

Hypertension	74
High Cholesterol	64
Stroke	22
Ischemic Heart Disease	43
Depression	33
Chronic Kidney Disease	39
Asthma	13
Osteoporosis	14
Heart Failure	27
Chronic Obstructive Pulmonary Disease	18
Diabetes	36
Atrial Fibrillation	16
Dementia	20
Cancer	18

Education & Training

Dr. Marinos Kontzialis, MD graduated from University of Athens Faculty of Medicine in 2005. He completed residency at Ohio State University Medical Center. He is certified by the American Board of Radiology/Neuroradiology - Neuroradiology (Certified) and has a state license in Illinois.

Medical School: University of Athens Faculty of Medicine (2005)

Residency: Ohio State University Medical Center (2013)

Board Certification: American Board of Radiology/Neuroradiology - Neuroradiology (Certified)

Licensed In: Illinois

Affiliations & Hospitals

Dr. Marinos Kontzialis, MD is associated with these hospitals and organizations:

Northwestern Medicine

Northwestern University Feinberg School of Medicine

Northwestern Medical Group

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Biography

Dr. Marinos Kontzialis is a specialist in general practice, neuroradiology, and diagnostic radiology. His areas of expertise include brain imaging (neuroimaging), neuroradiology, and MRI angiogram (MRA). Before performing his residency at Ohio State University Medical Center, Dr. Kontzialis attended the University of Athens Faculty of Medicine for medical school. Dr. Kontzialis is conversant in Greek. He is professionally affiliated with Northwestern Medical Group (NMG), Northwestern University Feinberg School of Medicine, and Northwestern Memorial Hospital. According to Yext, he is currently accepting new patients at his office in Chicago, IL.