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Dr. Jon W. Loo, MD

(Dr. Jon Warren Loo, MD)

(No ratings)

Specializes in: Interventional Radiology/Diagnostic Radiology (IR/DR) and Diagnostic Radiology

Medical College of Wisconsin (2008)

24451 Health Center Drive
Laguna Hills, CA 92653

(949) 452-3573

Dr. Jon W. Loo, MD is a radiologist in Thousand Oaks, CA specializing in interventional radiology/diagnostic radiology (ir/dr) and diagnostic radiology. He graduated from Medical College of Wisconsin in 2008 and has 18 years of experience. Dr. Jon W. Loo, MD is affiliated with Saddleback Medical Center, MemorialCare, Orange Coast Medical Center and MemorialCare Medical Group.

Office Locations

MemorialCare Medical Group

1525 Rancho Conejo Boulevard
Thousand Oaks, CA

(805) 375-8801

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24451 Health Center Drive
Laguna Hills, CA 92653

(949) 452-3573

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Noteworthy Medicare Patient Procedures Performed by Dr. Jon W. Loo, MD in 2023

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

Top 10%

By Affordability:

X-rays

In 2023, Dr. Jon W. Loo, MD had a list price for X-rays that was lower than the list prices billed to Medicare by 90% of providers in related specialties within California. 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

By Affordability:

bone density test

brain MRI

carotid duplex ultrasound

carotid ultrasound

central DEXA

dual-energy X-ray absorptiometry

duplex ultrasound

lower extremity venous ultrasound

lower extremity venous duplex

venous duplex ultrasound

venous ultrasound

In 2012, among providers in related specialties within California, Dr. Jon W. Loo, MD performed more lower extremity venous duplex procedures for Medicare patients than 75% of them and he also had a list price for bone density test, brain MRI, carotid duplex ultrasound, carotid ultrasound, central DEXA, dual-energy X-ray absorptiometry (DEXA), duplex ultrasound, lower extremity (leg) venous ultrasound, lower extremity venous duplex, pelvic MRI, thoracic (chest) imaging, vascular studies, vascular ultrasound, venous duplex ultrasound, and venous ultrasound 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. Jon W. Loo, MD treated as a radiologist in Thousand Oaks, CA during 2012 were X-rays and thoracic (chest) imaging.

Volume of procedures performed by Dr. Jon W. Loo, MD for Medicare patients.

thoracic (chest) imaging	13
X-rays	13

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jon W. Loo, MD treated as a radiologist in Thousand Oaks, CA during 2013 were X-rays, thoracic (chest) imaging, CT scan and pelvic imaging.

Volume of procedures performed by Dr. Jon W. Loo, MD for Medicare patients.

abdominal imaging	12
CT scan	12
pelvic imaging	12
thoracic (chest) imaging	65
X-rays	65

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon W. Loo, MD.

**Gender**
Male	70
Female	55

**Ethnicity**
Non-Hispanic White	83
Black	0
Hispanic	13
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	36
From 75 to 84	36
85 and over	19
Less than 65	34

Conditions of Medicare patients treated by Dr. Jon W. Loo, MD in 2013

Hypertension	75
High Cholesterol	55
Stroke	10
Ischemic Heart Disease	60
Depression	34
Chronic Kidney Disease	47
Asthma	17
Osteoperosis	15
Atrial Fibrilation	22
Heart Failure	38
Chronic Obstructive Pulmonary Disease	25
Diabetes	40
Dementia	17
Cancer	22

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jon W. Loo, MD treated as a radiologist in Thousand Oaks, CA during 2014 were X-rays, thoracic (chest) imaging, CT scan and pelvic imaging.

Volume of procedures performed by Dr. Jon W. Loo, MD for Medicare patients.

abdominal imaging	31
brain imaging (neuroimaging)	27
CT scan	58
pelvic imaging	31
thoracic (chest) imaging	81
X-rays	81

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon W. Loo, MD.

**Gender**
Male	83
Female	102

**Ethnicity**
Non-Hispanic White	105
Black	20
Hispanic	40
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	53
From 75 to 84	44
85 and over	35
Less than 65	53

Conditions of Medicare patients treated by Dr. Jon W. Loo, MD in 2014

Hypertension	75
High Cholesterol	54
Stroke	14
Ischemic Heart Disease	56
Depression	51
Chronic Kidney Disease	62
Asthma	14
Osteoperosis	16
Atrial Fibrilation	21
Heart Failure	41
Chronic Obstructive Pulmonary Disease	29
Diabetes	39
Dementia	25
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jon W. Loo, MD treated as a radiologist in Thousand Oaks, CA during 2015 were thoracic (chest) imaging, X-rays, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Jon W. Loo, MD for Medicare patients.

abdominal imaging	194
aspiration	45
brain imaging (neuroimaging)	63
CT scan	253
MRI (magnetic resonance imaging)	15
pelvic imaging	148
pleural drainage	23
thoracic (chest) imaging	428
ultrasound (sonogram)	113
vascular procedures	58
X-rays	386

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon W. Loo, MD.

**Gender**
Male	712
Female	904

**Ethnicity**
Non-Hispanic White	1162
Black	0
Hispanic	112
Asian	290
Other	28
Native American	0

**Age**
From 65 to 74	532
From 75 to 84	518
85 and over	412
Less than 65	154

Conditions of Medicare patients treated by Dr. Jon W. Loo, MD in 2015

Hypertension	75
High Cholesterol	69
Stroke	14
Ischemic Heart Disease	50
Depression	32
Chronic Kidney Disease	45
Asthma	26
Osteoperosis	17
Atrial Fibrilation	23
Heart Failure	38
Chronic Obstructive Pulmonary Disease	27
Diabetes	41
Dementia	26
Cancer	21

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jon W. Loo, MD treated as a radiologist in Thousand Oaks, CA during 2016 were thoracic (chest) imaging, X-rays, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Jon W. Loo, MD for Medicare patients.

abdominal imaging	339
aspiration	72
brain imaging (neuroimaging)	175
cardiac procedures	24
catheterization	13
CT scan	467
gastrointestinal procedures	11
MRI (magnetic resonance imaging)	60
musculoskeletal imaging	26
neck imaging	13
nuclear scan	35
pelvic imaging	200
pleural drainage	37
stress testing	24
thoracic (chest) imaging	1031
ultrasound (sonogram)	201
vascular procedures	86
X-rays	977

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon W. Loo, MD.

**Gender**
Male	723
Female	967

**Ethnicity**
Non-Hispanic White	1151
Black	0
Hispanic	99
Asian	378
Other	34
Native American	0

**Age**
From 65 to 74	553
From 75 to 84	545
85 and over	452
Less than 65	140

Conditions of Medicare patients treated by Dr. Jon W. Loo, MD in 2016

Hypertension	75
High Cholesterol	67
Stroke	14
Ischemic Heart Disease	50
Depression	31
Chronic Kidney Disease	51
Asthma	32
Osteoperosis	14
Atrial Fibrilation	23
Heart Failure	39
Chronic Obstructive Pulmonary Disease	29
Diabetes	39
Dementia	26
Cancer	22

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jon W. Loo, MD treated as a radiologist in Thousand Oaks, CA during 2017 were thoracic (chest) imaging, X-rays, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Jon W. Loo, MD for Medicare patients.

abdominal imaging	352
aspiration	43
brain imaging (neuroimaging)	173
catheterization	14
CT scan	524
device removal	13
diagnostic procedures	12
image guided procedures	12
minimally invasive procedures	12
minor procedures	12
MRI (magnetic resonance imaging)	84
musculoskeletal imaging	34
neck imaging	14
nuclear scan	23
pelvic imaging	229
pleural drainage	31
thoracic (chest) imaging	1000
ultrasound (sonogram)	199
vascular procedures	94
X-rays	881

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon W. Loo, MD.

**Gender**
Male	701
Female	939

**Ethnicity**
Non-Hispanic White	1096
Black	0
Hispanic	89
Asian	382
Other	41
Native American	0

**Age**
From 65 to 74	546
From 75 to 84	573
85 and over	399
Less than 65	122

Conditions of Medicare patients treated by Dr. Jon W. Loo, MD in 2017

Hypertension	75
High Cholesterol	66
Stroke	14
Ischemic Heart Disease	50
Depression	33
Chronic Kidney Disease	52
Asthma	16
Osteoperosis	15
Atrial Fibrilation	23
Heart Failure	37
Chronic Obstructive Pulmonary Disease	30
Diabetes	41
Dementia	27
Cancer	21

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jon W. Loo, MD treated as a radiologist in Thousand Oaks, CA during 2018 were CT scan, abdominal imaging, pelvic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Jon W. Loo, MD for Medicare patients.

abdominal imaging	311
aspiration	62
brain imaging (neuroimaging)	128
cardiac procedures	21
CT scan	455
diagnostic procedures	12
image guided procedures	12
minimally invasive procedures	12
minor procedures	12
MRI (magnetic resonance imaging)	69
musculoskeletal imaging	13
nuclear scan	21
pelvic imaging	205
pleural drainage	25
stress testing	21
thoracic (chest) imaging	154
ultrasound (sonogram)	195
vascular procedures	108
X-rays	27

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon W. Loo, MD.

**Gender**
Male	677
Female	878

**Ethnicity**
Non-Hispanic White	987
Black	0
Hispanic	100
Asian	389
Other	47
Native American	0

**Age**
From 65 to 74	493
From 75 to 84	557
85 and over	369
Less than 65	136

Conditions of Medicare patients treated by Dr. Jon W. Loo, MD in 2018

Hypertension	75
High Cholesterol	73
Stroke	14
Ischemic Heart Disease	53
Depression	32
Chronic Kidney Disease	53
Asthma	13
Osteoperosis	16
Atrial Fibrilation	22
Heart Failure	39
Chronic Obstructive Pulmonary Disease	30
Diabetes	41
Dementia	26
Cancer	21

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jon W. Loo, MD treated as a radiologist in Thousand Oaks, CA during 2019 were CT scan, abdominal imaging, pelvic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Jon W. Loo, MD for Medicare patients.

abdominal imaging	318
aspiration	34
brain imaging (neuroimaging)	143
cardiac procedures	17
CT scan	482
gastrointestinal procedures	11
MRI (magnetic resonance imaging)	63
musculoskeletal imaging	36
nuclear scan	17
pelvic imaging	218
pleural drainage	20
stress testing	17
thoracic (chest) imaging	163
ultrasound (sonogram)	208
vascular procedures	116
X-rays	86

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon W. Loo, MD.

**Gender**
Male	637
Female	902

**Ethnicity**
Non-Hispanic White	1009
Black	0
Hispanic	91
Asian	378
Other	41
Native American	0

**Age**
From 65 to 74	492
From 75 to 84	550
85 and over	396
Less than 65	101

Conditions of Medicare patients treated by Dr. Jon W. Loo, MD in 2019

Hypertension	75
High Cholesterol	73
Stroke	12
Ischemic Heart Disease	50
Depression	33
Chronic Kidney Disease	54
Asthma	15
Osteoperosis	16
Atrial Fibrilation	23
Heart Failure	37
Chronic Obstructive Pulmonary Disease	28
Diabetes	41
Dementia	26
Cancer	20

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jon W. Loo, MD treated as a radiologist in Thousand Oaks, CA during 2020 were CT scan, abdominal imaging, ultrasound (sonogram) and pelvic imaging.

Volume of procedures performed by Dr. Jon W. Loo, MD for Medicare patients.

abdominal imaging	253
aspiration	58
brain imaging (neuroimaging)	141
cardiac procedures	18
CT scan	397
MRI (magnetic resonance imaging)	48
musculoskeletal imaging	16
nuclear scan	18
pelvic imaging	160
pleural drainage	18
spinal procedures	12
stress testing	18
thoracic (chest) imaging	108
ultrasound (sonogram)	199
vascular procedures	119
X-rays	35

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon W. Loo, MD.

**Gender**
Male	652
Female	769

**Ethnicity**
Non-Hispanic White	834
Black	0
Hispanic	107
Asian	425
Other	39
Native American	0

**Age**
From 65 to 74	435
From 75 to 84	515
85 and over	371
Less than 65	100

Conditions of Medicare patients treated by Dr. Jon W. Loo, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	56
Depression	30
Chronic Kidney Disease	61
Asthma	16
Osteoperosis	14
Atrial Fibrilation	22
Heart Failure	42
Chronic Obstructive Pulmonary Disease	29
Diabetes	44
Dementia	30
Cancer	19

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jon W. Loo, MD treated as a radiologist in Thousand Oaks, CA during 2021 were CT scan, abdominal imaging, ultrasound (sonogram) and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Jon W. Loo, MD for Medicare patients.

abdominal imaging	359
aspiration	74
brain imaging (neuroimaging)	224
cardiac procedures	26
CT scan	617
MRI (magnetic resonance imaging)	87
musculoskeletal imaging	54
nuclear scan	26
pelvic imaging	223
pleural drainage	29
spinal procedures	26
stress testing	26
thoracic (chest) imaging	176
ultrasound (sonogram)	270
vascular procedures	176
X-rays	69

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon W. Loo, MD.

**Gender**
Male	729
Female	961

**Ethnicity**
Non-Hispanic White	1007
Black	0
Hispanic	112
Asian	493
Other	51
Native American	0

**Age**
From 65 to 74	533
From 75 to 84	614
85 and over	429
Less than 65	114

Conditions of Medicare patients treated by Dr. Jon W. Loo, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	52
Depression	30
Chronic Kidney Disease	58
Asthma	15
Osteoperosis	17
Atrial Fibrilation	22
Heart Failure	39
Chronic Obstructive Pulmonary Disease	24
Diabetes	44
Dementia	29
Cancer	19

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jon W. Loo, MD treated as a radiologist in Thousand Oaks, CA during 2022 were CT scan, abdominal imaging, ultrasound (sonogram) and pelvic imaging.

Volume of procedures performed by Dr. Jon W. Loo, MD for Medicare patients.

abdominal imaging	418
aspiration	22
brain imaging (neuroimaging)	236
cardiac procedures	39
CT scan	658
MRI (magnetic resonance imaging)	106
musculoskeletal imaging	43
nuclear scan	39
pelvic imaging	285
spinal procedures	17
stress testing	39
thoracic (chest) imaging	151
ultrasound (sonogram)	297
vascular procedures	195
X-rays	43

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon W. Loo, MD.

**Gender**
Male	762
Female	1007

**Ethnicity**
Non-Hispanic White	1067
Black	0
Hispanic	100
Asian	517
Other	65
Native American	0

**Age**
From 65 to 74	544
From 75 to 84	694
85 and over	427
Less than 65	104

Conditions of Medicare patients treated by Dr. Jon W. Loo, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	24
Ischemic Heart Disease	40
Depression	31
Chronic Kidney Disease	45
Asthma	18
Osteoperosis	21
Atrial Fibrilation	32
Heart Failure	35
Chronic Obstructive Pulmonary Disease	28
Diabetes	43
Dementia	22
Cancer	24

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Jon W. Loo, MD for Medicare patients.

The highest averages for the top procedures that Dr. Jon W. Loo, MD treated as a radiologist in Thousand Oaks, CA were CT scan, thoracic (chest) imaging, abdominal imaging and X-rays.

abdominal imaging	258
aspiration	51
brain imaging (neuroimaging)	145
cardiac procedures	24
catheterization	13
CT scan	392
device removal	13
diagnostic procedures	12
gastrointestinal procedures	11
image guided procedures	12
minimally invasive procedures	12
minor procedures	12
MRI (magnetic resonance imaging)	66
musculoskeletal imaging	31
neck imaging	13
nuclear scan	25
pelvic imaging	171
pleural drainage	26
spinal procedures	18
stress testing	24
thoracic (chest) imaging	306
ultrasound (sonogram)	210
vascular procedures	119
X-rays	242

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Jon W. Loo, MD.

**Gender**
Female	680
Male	522

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	297
Non-Hispanic White	772
Native American / Alaskan Native	0
Hispanic	78
Other	31

**Age**
85 and over	300
75 to 84	422
Less than 65	96
65 to 74	383

Average of Total of Conditions of Medicare patients treated by Dr. Jon W. Loo, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	62
Stroke	13
Ischemic Heart Disease	47
Depression	30
Chronic Kidney Disease	48
Asthma	16
Osteoporosis	14
Heart Failure	35
Chronic Obstructive Pulmonary Disease	25
Diabetes	37
Atrial Fibrillation	21
Dementia	23
Cancer	18

Education & Training

Dr. Jon W. Loo, MD graduated from Medical College of Wisconsin in 2008. He completed residency at University of Minnesota Affiliated Hospitals. He has a state license in Oregon.

Medical School: Medical College of Wisconsin (2008)

Residency: University of Minnesota Affiliated Hospitals (2013)

Licensed In: Oregon

Affiliations & Hospitals

Dr. Jon W. Loo, MD is associated with these hospitals and organizations:

Saddleback Medical Center

MemorialCare

Orange Coast Medical Center

MemorialCare Medical Group

Ratings & Reviews

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General Payments

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

**Payments by Company**
Boston Scientific Corporation	$1,870 Vascular Intervention $1,795	Embozene $26	Angiojet $21	DIREXION $15	ONCOZENE $13
Inari Medical, Inc.	$272 CT THROMBECTOMY SYSTEM KIT $272
Medtronic, Inc.	$211 CONCERTOTM $203	Abre $9
Medtronic Neurovascular	$118 Coils $118
EKOS Corporation	$105 EKOSONIC $105
Other	$168 Ablation $59	Azur CX Detachable $35	Diamondback Coronary $30	Impella $27	Eovist $17

**Types of Payments**
Travel and Lodging	$1,493
Food and Beverage	$1,251

Research Payments

Dr. Jon W. Loo, MD has received 4 research payments totaling $2,265.

Biography

Dr. Jon Loo sees patients in Laguna Hills, CA and Thousand Oaks, CA. His medical specialties are interventional radiology/diagnostic radiology (IR/DR) and diagnostic radiology. After completing medical school at Medical College of Wisconsin, Dr. Loo performed his residency at a hospital affiliated with the University of Minnesota. He is professionally affiliated with Orange Coast Medical Center, Saddleback Medical Center, and MemorialCare Medical Group.