In 2012, Dr. Ronald Kizziar, MD performed more brain imaging (neuroimaging), MRI (magnetic resonance imaging), and spine imaging procedures for Medicare patients than 75% of providers in related specialties within Oregon.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Ronald Kizziar, MD treated as a diagnostic radiologist in Portland, OR during 2012 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Ronald Kizziar, MD for Medicare patients.

abdominal imaging	122
brain imaging (neuroimaging)	790
CT scan	676
diagnostic procedures	13
hip imaging	16
MRI (magnetic resonance imaging)	659
musculoskeletal imaging	16
neck imaging	51
pelvic imaging	77
spinal procedures	472
thoracic (chest) imaging	239
ultrasound (sonogram)	60
vascular procedures	61
X-rays	270

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ronald Kizziar, MD treated as a diagnostic radiologist in Portland, OR during 2013 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Ronald Kizziar, MD for Medicare patients.

abdominal imaging	148
brain imaging (neuroimaging)	649
CT scan	599
hip imaging	12
MRI (magnetic resonance imaging)	535
musculoskeletal imaging	12
neck imaging	22
pelvic imaging	95
spinal procedures	394
thoracic (chest) imaging	292
ultrasound (sonogram)	65
vascular procedures	19
X-rays	342

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald Kizziar, MD.

**Gender**
Male	678
Female	904

**Ethnicity**
Non-Hispanic White	1369
Black	69
Hispanic	41
Asian	53
Other	33
Native American	17

**Age**
From 65 to 74	563
From 75 to 84	362
85 and over	243
Less than 65	414

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2013

Hypertension	66
High Cholesterol	47
Stroke	13
Ischemic Heart Disease	33
Depression	31
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	18
Diabetes	31
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ronald Kizziar, MD treated as a diagnostic radiologist in Portland, OR during 2014 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Ronald Kizziar, MD for Medicare patients.

abdominal imaging	167
brain imaging (neuroimaging)	610
CT scan	565
hip imaging	13
MRI (magnetic resonance imaging)	557
musculoskeletal imaging	13
neck imaging	37
pelvic imaging	71
spinal procedures	422
thoracic (chest) imaging	243
ultrasound (sonogram)	96
vascular procedures	34
X-rays	269

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald Kizziar, MD.

**Gender**
Male	636
Female	903

**Ethnicity**
Non-Hispanic White	1364
Black	62
Hispanic	46
Asian	36
Other	0
Native American	0

**Age**
From 65 to 74	556
From 75 to 84	406
85 and over	223
Less than 65	354

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2014

Hypertension	64
High Cholesterol	45
Stroke	12
Ischemic Heart Disease	31
Depression	32
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	23
Chronic Obstructive Pulmonary Disease	17
Diabetes	29
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ronald Kizziar, MD treated as a diagnostic radiologist in Portland, OR during 2015 were CT scan, brain imaging (neuroimaging), MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Ronald Kizziar, MD for Medicare patients.

abdominal imaging	166
brain imaging (neuroimaging)	515
CT scan	556
diagnostic procedures	13
hip imaging	17
MRI (magnetic resonance imaging)	441
musculoskeletal imaging	33
neck imaging	37
pelvic imaging	104
spinal procedures	404
thoracic (chest) imaging	301
ultrasound (sonogram)	76
vascular procedures	11
X-rays	392

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald Kizziar, MD.

**Gender**
Male	1404
Female	1758

**Ethnicity**
Non-Hispanic White	2732
Black	144
Hispanic	86
Asian	108
Other	68
Native American	24

**Age**
From 65 to 74	1138
From 75 to 84	834
85 and over	484
Less than 65	706

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2015

Hypertension	65
High Cholesterol	44
Stroke	11
Ischemic Heart Disease	32
Depression	34
Chronic Kidney Disease	34
Asthma	17
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	16
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ronald Kizziar, MD treated as a diagnostic radiologist in Portland, OR during 2016 were brain imaging (neuroimaging), MRI (magnetic resonance imaging), CT scan and spinal procedures.

Volume of procedures performed by Dr. Ronald Kizziar, MD for Medicare patients.

abdominal imaging	35
brain imaging (neuroimaging)	613
CT scan	531
diagnostic procedures	18
MRI (magnetic resonance imaging)	578
neck imaging	65
pelvic imaging	35
spinal procedures	490
thoracic (chest) imaging	217
ultrasound (sonogram)	15
vascular procedures	36
X-rays	267

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald Kizziar, MD.

**Gender**
Male	603
Female	850

**Ethnicity**
Non-Hispanic White	1264
Black	53
Hispanic	43
Asian	52
Other	0
Native American	0

**Age**
From 65 to 74	563
From 75 to 84	363
85 and over	205
Less than 65	322

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2016

Hypertension	66
High Cholesterol	41
Stroke	12
Ischemic Heart Disease	30
Depression	33
Chronic Kidney Disease	36
Asthma	23
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	17
Diabetes	30
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ronald Kizziar, MD treated as a diagnostic radiologist in Portland, OR during 2017 were CT scan, brain imaging (neuroimaging), MRI (magnetic resonance imaging) and X-rays.

Volume of procedures performed by Dr. Ronald Kizziar, MD for Medicare patients.

abdominal imaging	113
brain imaging (neuroimaging)	622
CT scan	622
diagnostic procedures	16
MRI (magnetic resonance imaging)	536
musculoskeletal imaging	55
neck imaging	52
pelvic imaging	86
spinal procedures	471
thoracic (chest) imaging	389
ultrasound (sonogram)	26
vascular procedures	18
X-rays	524

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald Kizziar, MD.

**Gender**
Male	752
Female	1030

**Ethnicity**
Non-Hispanic White	1558
Black	65
Hispanic	58
Asian	47
Other	41
Native American	13

**Age**
From 65 to 74	709
From 75 to 84	441
85 and over	269
Less than 65	363

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2017

Hypertension	65
High Cholesterol	39
Stroke	11
Ischemic Heart Disease	31
Depression	33
Chronic Kidney Disease	38
Asthma	10
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	25
Chronic Obstructive Pulmonary Disease	20
Diabetes	29
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ronald Kizziar, MD treated as a diagnostic radiologist in Portland, OR during 2018 were MRI (magnetic resonance imaging), brain imaging (neuroimaging), CT scan and spinal procedures.

Volume of procedures performed by Dr. Ronald Kizziar, MD for Medicare patients.

abdominal imaging	42
brain imaging (neuroimaging)	582
CT scan	499
diagnostic procedures	17
MRI (magnetic resonance imaging)	601
musculoskeletal imaging	24
neck imaging	65
pelvic imaging	42
spinal procedures	471
thoracic (chest) imaging	12
ultrasound (sonogram)	14
vascular procedures	16
X-rays	71

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald Kizziar, MD.

**Gender**
Male	659
Female	908

**Ethnicity**
Non-Hispanic White	1370
Black	55
Hispanic	46
Asian	45
Other	40
Native American	11

**Age**
From 65 to 74	629
From 75 to 84	435
85 and over	201
Less than 65	302

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2018

Hypertension	65
High Cholesterol	45
Stroke	13
Ischemic Heart Disease	29
Depression	35
Chronic Kidney Disease	37
Asthma	10
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	24
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ronald Kizziar, MD treated as a diagnostic radiologist in Portland, OR during 2019 were brain imaging (neuroimaging), MRI (magnetic resonance imaging), CT scan and spinal procedures.

Volume of procedures performed by Dr. Ronald Kizziar, MD for Medicare patients.

abdominal imaging	63
brain imaging (neuroimaging)	676
CT scan	570
diagnostic procedures	26
MRI (magnetic resonance imaging)	634
musculoskeletal imaging	35
neck imaging	99
pelvic imaging	63
spinal procedures	504
thoracic (chest) imaging	11
ultrasound (sonogram)	35
vascular procedures	27
X-rays	127

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald Kizziar, MD.

**Gender**
Male	773
Female	1070

**Ethnicity**
Non-Hispanic White	1622
Black	60
Hispanic	51
Asian	52
Other	41
Native American	17

**Age**
From 65 to 74	777
From 75 to 84	473
85 and over	251
Less than 65	342

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2019

Hypertension	64
High Cholesterol	47
Stroke	10
Ischemic Heart Disease	30
Depression	35
Chronic Kidney Disease	38
Asthma	10
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	24
Chronic Obstructive Pulmonary Disease	18
Diabetes	29
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ronald Kizziar, MD treated as a diagnostic radiologist in Portland, OR during 2020 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Ronald Kizziar, MD for Medicare patients.

abdominal imaging	111
brain imaging (neuroimaging)	609
CT scan	569
eye procedures	12
MRI (magnetic resonance imaging)	547
musculoskeletal imaging	29
neck imaging	108
pelvic imaging	89
spinal procedures	385
thoracic (chest) imaging	24
ultrasound (sonogram)	63
vascular procedures	32
X-rays	94

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald Kizziar, MD.

**Gender**
Male	740
Female	933

**Ethnicity**
Non-Hispanic White	1423
Black	72
Hispanic	53
Asian	50
Other	57
Native American	18

**Age**
From 65 to 74	693
From 75 to 84	439
85 and over	212
Less than 65	329

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2020

Hypertension	67
High Cholesterol	46
Stroke	11
Ischemic Heart Disease	31
Depression	36
Chronic Kidney Disease	41
Asthma	10
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	25
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ronald Kizziar, MD treated as a diagnostic radiologist in Portland, OR during 2021 were CT scan, brain imaging (neuroimaging), MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Ronald Kizziar, MD for Medicare patients.

abdominal imaging	107
brain imaging (neuroimaging)	586
CT scan	654
MRI (magnetic resonance imaging)	477
musculoskeletal imaging	41
neck imaging	74
pelvic imaging	83
spinal procedures	422
thoracic (chest) imaging	43
ultrasound (sonogram)	41
vascular procedures	19
X-rays	116

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald Kizziar, MD.

**Gender**
Male	730
Female	932

**Ethnicity**
Non-Hispanic White	1441
Black	54
Hispanic	44
Asian	47
Other	62
Native American	14

**Age**
From 65 to 74	711
From 75 to 84	460
85 and over	210
Less than 65	281

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2021

Hypertension	68
High Cholesterol	50
Stroke	12
Ischemic Heart Disease	32
Depression	39
Chronic Kidney Disease	43
Asthma	10
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	27
Chronic Obstructive Pulmonary Disease	17
Diabetes	30
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ronald Kizziar, MD treated as a diagnostic radiologist in Portland, OR during 2022 were CT scan, brain imaging (neuroimaging), MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Ronald Kizziar, MD for Medicare patients.

abdominal imaging	132
brain imaging (neuroimaging)	623
CT scan	675
gastrointestinal procedures	12
MRI (magnetic resonance imaging)	512
musculoskeletal imaging	71
neck imaging	79
pelvic imaging	133
spinal procedures	462
thoracic (chest) imaging	13
ultrasound (sonogram)	48
vascular procedures	24
X-rays	211

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald Kizziar, MD.

**Gender**
Male	766
Female	1023

**Ethnicity**
Non-Hispanic White	1564
Black	54
Hispanic	55
Asian	0
Other	57
Native American	0

**Age**
From 65 to 74	731
From 75 to 84	518
85 and over	270
Less than 65	270

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2022

Hypertension	73
High Cholesterol	63
Stroke	17
Ischemic Heart Disease	23
Depression	36
Chronic Kidney Disease	30
Asthma	13
Osteoperosis	16
Atrial Fibrilation	24
Heart Failure	25
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	16
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Ronald Kizziar, MD treated as a diagnostic radiologist in Portland, OR during 2023 were CT scan, brain imaging (neuroimaging), MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Ronald Kizziar, MD for Medicare patients.

abdominal imaging	111
brain imaging (neuroimaging)	733
CT scan	757
gastrointestinal procedures	22
MRI (magnetic resonance imaging)	556
musculoskeletal imaging	54
neck imaging	99
pelvic imaging	108
spinal procedures	495
ultrasound (sonogram)	47
vascular procedures	17
X-rays	202

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald Kizziar, MD.

**Gender**
Male	793
Female	1082

**Ethnicity**
Non-Hispanic White	1636
Black	54
Hispanic	53
Asian	49
Other	68
Native American	15

**Age**
From 65 to 74	746
From 75 to 84	590
85 and over	274
Less than 65	265

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2023

Hypertension	72
High Cholesterol	64
Stroke	16
Ischemic Heart Disease	23
Depression	33
Chronic Kidney Disease	30
Asthma	11
Osteoperosis	16
Atrial Fibrilation	22
Heart Failure	24
Chronic Obstructive Pulmonary Disease	18
Diabetes	29
Dementia	15
Cancer	20

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Ronald Kizziar, MD treated as a diagnostic radiologist in Portland, OR during 2024 were MRI (magnetic resonance imaging), spinal procedures, brain imaging (neuroimaging) and CT scan.

Volume of procedures performed by Dr. Ronald Kizziar, MD for Medicare patients.

brain imaging (neuroimaging)	311
CT scan	221
eye procedures	14
MRI (magnetic resonance imaging)	643
neck imaging	40
spinal procedures	497
vascular procedures	17

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald Kizziar, MD.

**Gender**
Male	366
Female	452

**Ethnicity**
Non-Hispanic White	557
Black	81
Hispanic	88
Asian	59
Other	33
Native American	0

**Age**
From 65 to 74	387
From 75 to 84	287
85 and over	62
Less than 65	82

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	27
Depression	26
Chronic Kidney Disease	22
Asthma	14
Osteoperosis	16
Atrial Fibrilation	16
Heart Failure	13
Chronic Obstructive Pulmonary Disease	16
Diabetes	33
Dementia	10
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Ronald Kizziar, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ronald Kizziar, MD treated as a diagnostic radiologist in Portland, OR were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

abdominal imaging	109
brain imaging (neuroimaging)	609
CT scan	576
diagnostic procedures	17
eye procedures	13
gastrointestinal procedures	17
hip imaging	14
MRI (magnetic resonance imaging)	559
musculoskeletal imaging	34
neck imaging	63
pelvic imaging	82
spinal procedures	453
thoracic (chest) imaging	162
ultrasound (sonogram)	48
vascular procedures	25
X-rays	240

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Ronald Kizziar, MD.

**Gender**
Female	911
Male	684

**Ethnicity**
Black / African American	63
Asian / Pacific Islander	46
Non-Hispanic White	1376
Native American / Alaskan Native	9
Hispanic	51
Other	38

**Age**
85 and over	223
75 to 84	431
Less than 65	310
65 to 74	631

Average of Total of Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Ronald Kizziar, MD treated were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	62
High Cholesterol	46
Stroke	11
Ischemic Heart Disease	27
Depression	31
Chronic Kidney Disease	31
Asthma	11
Osteoporosis	10
Heart Failure	21
Chronic Obstructive Pulmonary Disease	16
Diabetes	27
Atrial Fibrillation	14
Dementia	15
Cancer	13

Education & Training

He has a state license in Oregon.

Licensed In: Oregon

Ratings & Reviews

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Biography

Dr. Ronald Kizziar is a diagnostic radiology specialist in Portland, OR. Dr. Kizziar has obtained a license to practice in Oregon.

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Dr. Ronald Kizziar, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Ronald Kizziar, MD in 2024

By Volume:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Ronald Kizziar, MD From 2012 - 2024

Education & Training

Ratings & Reviews

Biography

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