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Dr. Sean L. Johnston, MD, PHD

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Specializes in: Pediatric Radiology, Interventional Radiology/Diagnostic Radiology (IR/DR), Diagnostic Radiology, Radiation Oncology and Neuroradiology

2414 S Fairview Street Suite 202b
Santa Ana, CA 92704

(805) 300-6761

Dr. Sean L. Johnston, MD, PHD is a pediatric radiologist in Santa Ana, CA specializing in pediatric radiology, interventional radiology/diagnostic radiology (ir/dr), diagnostic radiology, radiation oncology and neuroradiology.

Office Locations

2414 S Fairview Street Suite 202b
Santa Ana, CA 92704

(805) 300-6761

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Noteworthy Medicare Patient Procedures Performed by Dr. Sean L. Johnston, MD, PHD in 2023

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

Top 5%

By Volume:

ankle brachial index

MRI

musculoskeletal imaging

spine imaging

tibia and fibula X-ray

By Affordability:

ankle X-ray

gastric emptying study

lower extremity venous ultrasound

lower extremity venous duplex

maxillofacial CT scan

nuclear scan

thoracic imaging

transabdominal ultrasound

vascular studies

vascular ultrasound

venous duplex ultrasound

In 2023, among providers in related specialties within California, Dr. Sean L. Johnston, MD, PHD performed more ankle brachial index (ABI), MRI (magnetic resonance imaging), musculoskeletal imaging, spine imaging, and tibia and fibula (lower leg) X-ray procedures for Medicare patients than 95% of them and he also had a list price for ankle X-ray, gastric emptying study, lower extremity (leg) venous ultrasound, lower extremity venous duplex, maxillofacial (jaw/face) CT scan, nuclear scan, thoracic (chest) imaging, transabdominal ultrasound, vascular studies, vascular ultrasound, and venous duplex ultrasound 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:

By Affordability:

In 2023, among providers in related specialties within California, Dr. Sean L. Johnston, MD, PHD performed more central DEXA, ultrasound (sonogram), vascular procedures, vascular ultrasound, and X-rays procedures for Medicare patients than 90% of them and he also had a list price for bone scan, duplex ultrasound, foot MRI, joint scan, leg MRI, lower leg MRI, thigh MRI, and venous ultrasound that was lower than the list prices billed to Medicare by 90% 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 25%

By Volume:

lower extremity venous duplex

neck imaging

non-obstetric transvaginal ultrasound

By Affordability:

arterial duplex ultrasound

arterial ultrasound

bone density test

central DEXA

cervical spine CT scan

chest CT scan

chest X-ray

complete abdominal ultrasound

CT scan

dual-energy X-ray absorptiometry

limited abdominal ultrasound

lower extremity arterial duplex

lower extremity arterial ultrasound

lower extremity MRI

neck CT scan

neck ultrasound

non-obstetric transvaginal ultrasound

pelvic CT scan

pelvic MRI

retroperitoneal ultrasound

rib X-ray

shoulder MRI

soft tissue ultrasound

spine CT scan

testicular ultrasound without Doppler

tibia and fibula X-ray

transvaginal ultrasound

upper extremity MRI

women's imaging

wrist MRI

In 2012, among providers in related specialties within California, Dr. Sean L. Johnston, MD, PHD performed more abdominal imaging, brain imaging (neuroimaging), CT scan, knee X-ray, lower extremity venous duplex, neck imaging, non-obstetric transvaginal ultrasound, pelvic imaging, shoulder MRI, thoracic (chest) imaging, and wrist MRI procedures for Medicare patients than 75% of them and he also had a list price for abdominal CT scan, abdominal MRI, ankle MRI, arm CT scan, arm X-ray, arterial duplex ultrasound, arterial ultrasound, bone density test, central DEXA, cervical (neck) spine CT scan, chest CT scan, chest X-ray, complete abdominal ultrasound, CT scan, dual-energy X-ray absorptiometry (DEXA), elbow MRI, foot X-ray, head/brain CT scan, hip MRI, joint MRI, joint X-ray, knee MRI, knee X-ray, leg CT scan, leg X-ray, limited abdominal ultrasound, lower extremity arterial duplex, lower extremity (leg) arterial ultrasound, lower extremity MRI, neck CT scan, neck ultrasound, non-obstetric transvaginal ultrasound, pelvic CT scan, pelvic MRI, retroperitoneal ultrasound, rib X-ray, shoulder MRI, soft tissue ultrasound, spine CT scan, testicular ultrasound without Doppler, tibia and fibula (lower leg) X-ray, transvaginal ultrasound, upper extremity MRI, women's imaging, and wrist MRI 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

2012 Medicare Procedure Volume

The top procedures that Dr. Sean L. Johnston, MD, PHD treated as a pediatric radiologist in Santa Ana, CA during 2012 were X-rays, thoracic (chest) imaging, CT scan and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Sean L. Johnston, MD, PHD for Medicare patients.

abdominal imaging	816
angioplasty	31
aspiration	28
brain imaging (neuroimaging)	1066
cardiac procedures	25
catheterization	51
CT scan	1540
diagnostic procedures	12
dialysis access procedures	49
hip imaging	270
minimally invasive procedures	25
minor procedures	12
MRI (magnetic resonance imaging)	862
musculoskeletal imaging	814
neck imaging	34
nuclear scan	25
pelvic imaging	496
pleural drainage	28
spinal procedures	688
stress testing	25
thoracic (chest) imaging	3910
thrombectomy (blood clot removal)	13
ultrasound (sonogram)	397
vascular procedures	82
X-rays	4826

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Sean L. Johnston, MD, PHD treated as a pediatric radiologist in Santa Ana, CA during 2013 were X-rays, thoracic (chest) imaging, CT scan and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Sean L. Johnston, MD, PHD for Medicare patients.

abdominal imaging	925
angioplasty	11
brain imaging (neuroimaging)	1180
cardiac procedures	33
CT scan	1779
dialysis access procedures	13
hip imaging	268
MRI (magnetic resonance imaging)	751
musculoskeletal imaging	831
neck imaging	37
nuclear scan	33
pelvic imaging	571
spinal procedures	649
stress testing	33
thoracic (chest) imaging	4864
ultrasound (sonogram)	453
vascular procedures	39
X-rays	5830

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean L. Johnston, MD, PHD.

**Gender**
Male	1562
Female	2320

**Ethnicity**
Non-Hispanic White	359
Black	275
Hispanic	2928
Asian	286
Other	0
Native American	0

**Age**
From 65 to 74	1354
From 75 to 84	1069
85 and over	635
Less than 65	824

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2013

Hypertension	75
High Cholesterol	64
Stroke	13
Ischemic Heart Disease	61
Depression	31
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	38
Chronic Obstructive Pulmonary Disease	24
Diabetes	60
Dementia	24
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Sean L. Johnston, MD, PHD treated as a pediatric radiologist in Santa Ana, CA during 2014 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Sean L. Johnston, MD, PHD for Medicare patients.

abdominal imaging	862
aspiration	20
brain imaging (neuroimaging)	831
CT scan	1381
hip imaging	157
MRI (magnetic resonance imaging)	349
musculoskeletal imaging	596
neck imaging	37
pelvic imaging	546
spinal procedures	403
thoracic (chest) imaging	4139
ultrasound (sonogram)	535
vascular procedures	18
women's imaging	11
X-rays	4875

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean L. Johnston, MD, PHD.

**Gender**
Male	1331
Female	1999

**Ethnicity**
Non-Hispanic White	276
Black	226
Hispanic	2508
Asian	294
Other	0
Native American	0

**Age**
From 65 to 74	1084
From 75 to 84	914
85 and over	611
Less than 65	721

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2014

Hypertension	75
High Cholesterol	64
Stroke	14
Ischemic Heart Disease	59
Depression	33
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	41
Chronic Obstructive Pulmonary Disease	25
Diabetes	61
Dementia	27
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Sean L. Johnston, MD, PHD treated as a pediatric radiologist in Santa Ana, CA during 2015 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Sean L. Johnston, MD, PHD for Medicare patients.

abdominal imaging	604
aspiration	12
brain imaging (neuroimaging)	475
cardiac procedures	12
CT scan	769
dialysis access procedures	19
hip imaging	126
MRI (magnetic resonance imaging)	414
musculoskeletal imaging	471
neck imaging	25
nuclear scan	12
pelvic imaging	313
spinal procedures	363
stress testing	12
thoracic (chest) imaging	2863
ultrasound (sonogram)	470
vascular procedures	127
X-rays	3429

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean L. Johnston, MD, PHD.

**Gender**
Male	2380
Female	3520

**Ethnicity**
Non-Hispanic White	674
Black	510
Hispanic	3894
Asian	754
Other	0
Native American	0

**Age**
From 65 to 74	2058
From 75 to 84	1580
85 and over	1048
Less than 65	1214

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2015

Hypertension	75
High Cholesterol	63
Stroke	13
Ischemic Heart Disease	59
Depression	34
Chronic Kidney Disease	50
Asthma	20
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	39
Chronic Obstructive Pulmonary Disease	29
Diabetes	61
Dementia	28
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Sean L. Johnston, MD, PHD treated as a pediatric radiologist in Santa Ana, CA during 2016 were X-rays, thoracic (chest) imaging, abdominal imaging and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Sean L. Johnston, MD, PHD for Medicare patients.

abdominal imaging	325
angioplasty	39
aspiration	49
brain imaging (neuroimaging)	212
catheterization	40
CT scan	221
dialysis access procedures	85
hip imaging	31
minimally invasive procedures	24
MRI (magnetic resonance imaging)	321
musculoskeletal imaging	277
neck imaging	45
pelvic imaging	102
pleural drainage	19
spinal procedures	247
thoracic (chest) imaging	1721
thrombectomy (blood clot removal)	24
ultrasound (sonogram)	276
vascular procedures	101
X-rays	2136

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean L. Johnston, MD, PHD.

**Gender**
Male	886
Female	1256

**Ethnicity**
Non-Hispanic White	474
Black	129
Hispanic	1373
Asian	130
Other	0
Native American	0

**Age**
From 65 to 74	816
From 75 to 84	556
85 and over	332
Less than 65	438

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2016

Hypertension	75
High Cholesterol	62
Stroke	11
Ischemic Heart Disease	52
Depression	33
Chronic Kidney Disease	54
Asthma	25
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	36
Chronic Obstructive Pulmonary Disease	23
Diabetes	56
Dementia	24
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Sean L. Johnston, MD, PHD treated as a pediatric radiologist in Santa Ana, CA during 2017 were X-rays, thoracic (chest) imaging, musculoskeletal imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Sean L. Johnston, MD, PHD for Medicare patients.

abdominal imaging	374
brain imaging (neuroimaging)	226
CT scan	249
hip imaging	22
MRI (magnetic resonance imaging)	270
musculoskeletal imaging	438
neck imaging	53
pelvic imaging	114
spinal procedures	227
thoracic (chest) imaging	1910
ultrasound (sonogram)	399
X-rays	2408

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean L. Johnston, MD, PHD.

**Gender**
Male	928
Female	1451

**Ethnicity**
Non-Hispanic White	526
Black	114
Hispanic	1521
Asian	165
Other	0
Native American	0

**Age**
From 65 to 74	891
From 75 to 84	669
85 and over	376
Less than 65	443

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2017

Hypertension	75
High Cholesterol	58
Stroke	11
Ischemic Heart Disease	53
Depression	32
Chronic Kidney Disease	54
Asthma	11
Osteoperosis	14
Atrial Fibrilation	13
Heart Failure	38
Chronic Obstructive Pulmonary Disease	22
Diabetes	56
Dementia	23
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Sean L. Johnston, MD, PHD treated as a pediatric radiologist in Santa Ana, CA during 2018 were X-rays, ultrasound (sonogram), musculoskeletal imaging and abdominal imaging.

Volume of procedures performed by Dr. Sean L. Johnston, MD, PHD for Medicare patients.

abdominal imaging	294
aspiration	13
brain imaging (neuroimaging)	161
CT scan	281
MRI (magnetic resonance imaging)	128
musculoskeletal imaging	297
neck imaging	47
pelvic imaging	114
pleural drainage	13
spinal procedures	219
thoracic (chest) imaging	87
ultrasound (sonogram)	338
vascular procedures	25
women's imaging	12
X-rays	440

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean L. Johnston, MD, PHD.

**Gender**
Male	730
Female	1232

**Ethnicity**
Non-Hispanic White	505
Black	90
Hispanic	1226
Asian	98
Other	0
Native American	0

**Age**
From 65 to 74	781
From 75 to 84	534
85 and over	275
Less than 65	372

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2018

Hypertension	75
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	50
Depression	31
Chronic Kidney Disease	51
Asthma	12
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	35
Chronic Obstructive Pulmonary Disease	22
Diabetes	55
Dementia	19
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Sean L. Johnston, MD, PHD treated as a pediatric radiologist in Santa Ana, CA during 2019 were ultrasound (sonogram), X-rays, musculoskeletal imaging and abdominal imaging.

Volume of procedures performed by Dr. Sean L. Johnston, MD, PHD for Medicare patients.

abdominal imaging	380
brain imaging (neuroimaging)	200
CT scan	351
hip imaging	30
MRI (magnetic resonance imaging)	266
musculoskeletal imaging	409
neck imaging	58
pelvic imaging	126
spinal procedures	345
thoracic (chest) imaging	71
ultrasound (sonogram)	614
vascular procedures	275
X-rays	534

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean L. Johnston, MD, PHD.

**Gender**
Male	1013
Female	1572

**Ethnicity**
Non-Hispanic White	1273
Black	89
Hispanic	1034
Asian	94
Other	58
Native American	37

**Age**
From 65 to 74	1105
From 75 to 84	739
85 and over	295
Less than 65	446

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2019

Hypertension	74
High Cholesterol	59
Stroke	7
Ischemic Heart Disease	42
Depression	30
Chronic Kidney Disease	42
Asthma	10
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	29
Chronic Obstructive Pulmonary Disease	20
Diabetes	44
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Sean L. Johnston, MD, PHD treated as a pediatric radiologist in Santa Ana, CA during 2020 were ultrasound (sonogram), CT scan, spinal procedures and X-rays.

Volume of procedures performed by Dr. Sean L. Johnston, MD, PHD for Medicare patients.

abdominal imaging	325
brain imaging (neuroimaging)	234
CT scan	416
hip imaging	24
MRI (magnetic resonance imaging)	317
musculoskeletal imaging	231
neck imaging	28
pelvic imaging	181
spinal procedures	386
thoracic (chest) imaging	88
ultrasound (sonogram)	439
vascular procedures	166
X-rays	357

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean L. Johnston, MD, PHD.

**Gender**
Male	784
Female	1181

**Ethnicity**
Non-Hispanic White	755
Black	71
Hispanic	1043
Asian	65
Other	0
Native American	0

**Age**
From 65 to 74	789
From 75 to 84	448
85 and over	241
Less than 65	487

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2020

Hypertension	75
High Cholesterol	66
Stroke	10
Ischemic Heart Disease	48
Depression	32
Chronic Kidney Disease	50
Asthma	13
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	35
Chronic Obstructive Pulmonary Disease	20
Diabetes	53
Dementia	17
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Sean L. Johnston, MD, PHD treated as a pediatric radiologist in Santa Ana, CA during 2021 were CT scan, X-rays, abdominal imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Sean L. Johnston, MD, PHD for Medicare patients.

abdominal imaging	1162
brain imaging (neuroimaging)	606
CT scan	1556
hip imaging	54
MRI (magnetic resonance imaging)	776
musculoskeletal imaging	1077
neck imaging	73
nuclear scan	24
pelvic imaging	774
spinal procedures	868
thoracic (chest) imaging	381
ultrasound (sonogram)	1099
vascular procedures	331
women's imaging	49
X-rays	1400

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean L. Johnston, MD, PHD.

**Gender**
Male	2220
Female	3384

**Ethnicity**
Non-Hispanic White	2451
Black	182
Hispanic	2640
Asian	223
Other	76
Native American	32

**Age**
From 65 to 74	2202
From 75 to 84	1489
85 and over	767
Less than 65	1146

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2021

Hypertension	75
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	44
Depression	27
Chronic Kidney Disease	49
Asthma	12
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	32
Chronic Obstructive Pulmonary Disease	17
Diabetes	49
Dementia	18
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Sean L. Johnston, MD, PHD treated as a pediatric radiologist in Santa Ana, CA during 2022 were CT scan, X-rays, musculoskeletal imaging and abdominal imaging.

Volume of procedures performed by Dr. Sean L. Johnston, MD, PHD for Medicare patients.

abdominal imaging	967
brain imaging (neuroimaging)	543
CT scan	1418
hip imaging	59
MRI (magnetic resonance imaging)	788
musculoskeletal imaging	1076
neck imaging	99
nuclear scan	21
pelvic imaging	685
spinal procedures	914
thoracic (chest) imaging	312
ultrasound (sonogram)	857
vascular procedures	260
women's imaging	36
X-rays	1417

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean L. Johnston, MD, PHD.

**Gender**
Male	2071
Female	3372

**Ethnicity**
Non-Hispanic White	2494
Black	139
Hispanic	2470
Asian	211
Other	97
Native American	32

**Age**
From 65 to 74	2177
From 75 to 84	1561
85 and over	697
Less than 65	1008

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2022

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	32
Asthma	17
Osteoperosis	16
Atrial Fibrilation	16
Heart Failure	27
Chronic Obstructive Pulmonary Disease	22
Diabetes	46
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Sean L. Johnston, MD, PHD treated as a pediatric radiologist in Santa Ana, CA during 2023 were CT scan, X-rays, spinal procedures and musculoskeletal imaging.

Volume of procedures performed by Dr. Sean L. Johnston, MD, PHD for Medicare patients.

abdominal imaging	730
brain imaging (neuroimaging)	499
CT scan	1135
diagnostic imaging	11
gastrointestinal procedures	11
hip imaging	45
MRI (magnetic resonance imaging)	838
musculoskeletal imaging	844
neck imaging	89
nuclear scan	26
pelvic imaging	532
spinal procedures	922
thoracic (chest) imaging	254
ultrasound (sonogram)	740
vascular procedures	281
women's imaging	37
X-rays	1091

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean L. Johnston, MD, PHD.

**Gender**
Male	1770
Female	2773

**Ethnicity**
Non-Hispanic White	2003
Black	135
Hispanic	2109
Asian	192
Other	83
Native American	21

**Age**
From 65 to 74	1854
From 75 to 84	1283
85 and over	591
Less than 65	815

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2023

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	36
Depression	25
Chronic Kidney Disease	31
Asthma	17
Osteoperosis	15
Atrial Fibrilation	16
Heart Failure	28
Chronic Obstructive Pulmonary Disease	22
Diabetes	50
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Sean L. Johnston, MD, PHD for Medicare patients.

The highest averages for the top procedures that Dr. Sean L. Johnston, MD, PHD treated as a pediatric radiologist in Santa Ana, CA were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

abdominal imaging	647
angioplasty	27
aspiration	24
brain imaging (neuroimaging)	519
cardiac procedures	23
catheterization	45
CT scan	924
diagnostic imaging	11
diagnostic procedures	12
dialysis access procedures	41
gastrointestinal procedures	11
hip imaging	98
minimally invasive procedures	24
minor procedures	12
MRI (magnetic resonance imaging)	506
musculoskeletal imaging	613
neck imaging	52
nuclear scan	23
pelvic imaging	379
pleural drainage	20
spinal procedures	519
stress testing	23
thoracic (chest) imaging	1716
thrombectomy (blood clot removal)	18
ultrasound (sonogram)	551
vascular procedures	155
women's imaging	29
X-rays	2395

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Sean L. Johnston, MD, PHD.

**Gender**
Female	2005
Male	1306

**Ethnicity**
Black / African American	163
Asian / Pacific Islander	209
Non-Hispanic White	982
Native American / Alaskan Native	10
Hispanic	1895
Other	26

**Age**
85 and over	489
75 to 84	903
Less than 65	659
65 to 74	1259

Average of Total of Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Sean L. Johnston, MD, PHD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	68
High Cholesterol	59
Stroke	9
Ischemic Heart Disease	44
Depression	27
Chronic Kidney Disease	41
Asthma	13
Osteoporosis	12
Heart Failure	31
Chronic Obstructive Pulmonary Disease	20
Diabetes	49
Atrial Fibrillation	11
Dementia	18
Cancer	8

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Sean L. Johnston, MD, PHD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Orthofix Medical, Inc.	$13 Physio-Stim $13

**Types of Payments**
Food and Beverage	$13

Biography

Dr. Sean Johnston is a specialist in pediatric radiology, interventional radiology/diagnostic radiology (IR/DR), and radiation oncology. He is a graduate of Mayo Medical School. Dr. Johnston is professionally affiliated with Adventist Health Tulare and Adventist Health Mendocino Coast.

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Dr. Sean L. Johnston, MD, PHD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Sean L. Johnston, MD, PHD in 2023

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By Affordability:

By Volume:

By Affordability:

By Volume:

By Affordability:

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. Sean L. Johnston, MD, PHD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Sean L. Johnston, MD, PHD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Biography

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