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Dr. Karen Tong, MD

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Specializes in: Diagnostic Radiology and Neuroradiology

University of British Columbia Faculty of Medicine

11234 Anderson Street
Loma Linda, CA 92354

(909) 558-4000

Dr. Karen Tong, MD is a diagnostic radiologist in Loma Linda, CA specializing in diagnostic radiology and neuroradiology. She graduated from University of British Columbia Faculty of Medicine. Dr. Karen Tong, MD is affiliated with Loma Linda University Health, Loma Linda University Medical Center Murrieta, Loma Linda University Medical Center East Campus, Loma Linda University Medical Center, Loma Linda University Children's Hospital and Loma Linda University Surgical Hospital.

Office Locations

11234 Anderson Street
Loma Linda, CA 92354

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25333 Barton Road
Loma Linda, CA 92354

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26780 Barton Road
Redlands, CA 92373

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28062 Baxter Road
Murrieta, CA 92563

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Noteworthy Medicare Patient Procedures Performed by Dr. Karen Tong, MD in 2023

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

Top 10%

By Affordability:

CT scan

In 2023, Dr. Karen Tong, MD had a list price for CT scan 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 Affordability:

face MRI

neck MRI

orbit MRI

In 2012, Dr. Karen Tong, MD had a list price for face MRI, neck MRI, and orbit (eye socket) MRI that was lower than the list prices billed to Medicare by 75% 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Karen Tong, MD treated as a diagnostic radiologist in Loma Linda, CA during 2012 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Karen Tong, MD for Medicare patients.

brain imaging (neuroimaging)	422
CT scan	338
MRI (magnetic resonance imaging)	271
neck imaging	28
spinal procedures	160
vascular procedures	12

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Karen Tong, MD treated as a diagnostic radiologist in Loma Linda, CA during 2013 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Karen Tong, MD for Medicare patients.

brain imaging (neuroimaging)	429
CT scan	388
MRI (magnetic resonance imaging)	265
neck imaging	31
spinal procedures	193

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tong, MD.

**Gender**
Male	249
Female	322

**Ethnicity**
Non-Hispanic White	316
Black	77
Hispanic	133
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	187
From 75 to 84	160
85 and over	80
Less than 65	144

Conditions of Medicare patients treated by Dr. Karen Tong, MD in 2013

Hypertension	75
High Cholesterol	58
Stroke	28
Ischemic Heart Disease	45
Depression	35
Chronic Kidney Disease	38
Asthma	13
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	40
Chronic Obstructive Pulmonary Disease	20
Diabetes	43
Dementia	22
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Karen Tong, MD treated as a diagnostic radiologist in Loma Linda, CA during 2014 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Karen Tong, MD for Medicare patients.

brain imaging (neuroimaging)	438
CT scan	372
eye procedures	13
MRI (magnetic resonance imaging)	317
neck imaging	45
spinal procedures	226
vascular procedures	34

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tong, MD.

**Gender**
Male	285
Female	327

**Ethnicity**
Non-Hispanic White	337
Black	65
Hispanic	157
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	214
From 75 to 84	183
85 and over	64
Less than 65	151

Conditions of Medicare patients treated by Dr. Karen Tong, MD in 2014

Hypertension	75
High Cholesterol	54
Stroke	19
Ischemic Heart Disease	39
Depression	31
Chronic Kidney Disease	31
Asthma	12
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	36
Chronic Obstructive Pulmonary Disease	16
Diabetes	42
Dementia	17
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Karen Tong, MD treated as a diagnostic radiologist in Loma Linda, CA during 2015 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Karen Tong, MD for Medicare patients.

brain imaging (neuroimaging)	448
CT scan	386
MRI (magnetic resonance imaging)	271
neck imaging	24
spinal procedures	176
vascular procedures	11

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tong, MD.

**Gender**
Male	552
Female	662

**Ethnicity**
Non-Hispanic White	666
Black	148
Hispanic	296
Asian	66
Other	0
Native American	0

**Age**
From 65 to 74	438
From 75 to 84	316
85 and over	168
Less than 65	292

Conditions of Medicare patients treated by Dr. Karen Tong, MD in 2015

Hypertension	75
High Cholesterol	53
Stroke	27
Ischemic Heart Disease	41
Depression	29
Chronic Kidney Disease	36
Asthma	16
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	35
Chronic Obstructive Pulmonary Disease	17
Diabetes	39
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Karen Tong, MD treated as a diagnostic radiologist in Loma Linda, CA during 2016 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Karen Tong, MD for Medicare patients.

brain imaging (neuroimaging)	175
CT scan	153
MRI (magnetic resonance imaging)	71
spinal procedures	49

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tong, MD.

**Gender**
Male	109
Female	144

**Ethnicity**
Non-Hispanic White	142
Black	36
Hispanic	56
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	70
85 and over	44
Less than 65	61

Conditions of Medicare patients treated by Dr. Karen Tong, MD in 2016

Hypertension	75
High Cholesterol	54
Stroke	23
Ischemic Heart Disease	46
Depression	34
Chronic Kidney Disease	48
Asthma	26
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	42
Chronic Obstructive Pulmonary Disease	23
Diabetes	47
Dementia	27
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Karen Tong, MD treated as a diagnostic radiologist in Loma Linda, CA during 2017 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Karen Tong, MD for Medicare patients.

brain imaging (neuroimaging)	302
CT scan	238
MRI (magnetic resonance imaging)	189
neck imaging	16
spinal procedures	96

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tong, MD.

**Gender**
Male	196
Female	229

**Ethnicity**
Non-Hispanic White	228
Black	51
Hispanic	106
Asian	23
Other	0
Native American	0

**Age**
From 65 to 74	155
From 75 to 84	125
85 and over	38
Less than 65	107

Conditions of Medicare patients treated by Dr. Karen Tong, MD in 2017

Hypertension	75
High Cholesterol	49
Stroke	23
Ischemic Heart Disease	40
Depression	35
Chronic Kidney Disease	45
Asthma	11
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	36
Chronic Obstructive Pulmonary Disease	22
Diabetes	39
Dementia	22
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Karen Tong, MD treated as a diagnostic radiologist in Loma Linda, CA during 2018 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Karen Tong, MD for Medicare patients.

brain imaging (neuroimaging)	428
CT scan	392
eye procedures	15
MRI (magnetic resonance imaging)	255
neck imaging	43
spinal procedures	154

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tong, MD.

**Gender**
Male	269
Female	313

**Ethnicity**
Non-Hispanic White	315
Black	64
Hispanic	144
Asian	39
Other	0
Native American	0

**Age**
From 65 to 74	198
From 75 to 84	182
85 and over	75
Less than 65	127

Conditions of Medicare patients treated by Dr. Karen Tong, MD in 2018

Hypertension	75
High Cholesterol	55
Stroke	24
Ischemic Heart Disease	47
Depression	37
Chronic Kidney Disease	46
Asthma	12
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	33
Chronic Obstructive Pulmonary Disease	21
Diabetes	38
Dementia	25
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Karen Tong, MD treated as a diagnostic radiologist in Loma Linda, CA during 2019 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Karen Tong, MD for Medicare patients.

brain imaging (neuroimaging)	507
CT scan	494
MRI (magnetic resonance imaging)	273
neck imaging	29
spinal procedures	210

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tong, MD.

**Gender**
Male	322
Female	372

**Ethnicity**
Non-Hispanic White	380
Black	71
Hispanic	165
Asian	61
Other	0
Native American	0

**Age**
From 65 to 74	258
From 75 to 84	173
85 and over	102
Less than 65	161

Conditions of Medicare patients treated by Dr. Karen Tong, MD in 2019

Hypertension	75
High Cholesterol	60
Stroke	25
Ischemic Heart Disease	50
Depression	37
Chronic Kidney Disease	52
Asthma	10
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	40
Chronic Obstructive Pulmonary Disease	21
Diabetes	46
Dementia	25
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Karen Tong, MD treated as a diagnostic radiologist in Loma Linda, CA during 2020 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Karen Tong, MD for Medicare patients.

brain imaging (neuroimaging)	352
CT scan	314
MRI (magnetic resonance imaging)	203
neck imaging	22
spinal procedures	127

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tong, MD.

**Gender**
Male	216
Female	307

**Ethnicity**
Non-Hispanic White	272
Black	62
Hispanic	132
Asian	39
Other	18
Native American	0

**Age**
From 65 to 74	195
From 75 to 84	159
85 and over	68
Less than 65	101

Conditions of Medicare patients treated by Dr. Karen Tong, MD in 2020

Hypertension	75
High Cholesterol	58
Stroke	25
Ischemic Heart Disease	45
Depression	34
Chronic Kidney Disease	49
Asthma	9
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	38
Chronic Obstructive Pulmonary Disease	17
Diabetes	43
Dementia	25
Cancer	18

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Karen Tong, MD treated as a diagnostic radiologist in Loma Linda, CA during 2021 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Karen Tong, MD for Medicare patients.

brain imaging (neuroimaging)	394
CT scan	387
eye procedures	13
MRI (magnetic resonance imaging)	202
neck imaging	27
spinal procedures	151

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tong, MD.

**Gender**
Male	236
Female	333

**Ethnicity**
Non-Hispanic White	279
Black	74
Hispanic	158
Asian	41
Other	0
Native American	0

**Age**
From 65 to 74	193
From 75 to 84	167
85 and over	87
Less than 65	122

Conditions of Medicare patients treated by Dr. Karen Tong, MD in 2021

Hypertension	75
High Cholesterol	61
Stroke	26
Ischemic Heart Disease	43
Depression	38
Chronic Kidney Disease	49
Asthma	11
Osteoperosis	14
Atrial Fibrilation	13
Heart Failure	38
Chronic Obstructive Pulmonary Disease	19
Diabetes	47
Dementia	29
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Karen Tong, MD treated as a diagnostic radiologist in Loma Linda, CA during 2022 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Karen Tong, MD for Medicare patients.

brain imaging (neuroimaging)	250
CT scan	210
eye procedures	12
MRI (magnetic resonance imaging)	134
neck imaging	27
spinal procedures	67

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tong, MD.

**Gender**
Male	166
Female	197

**Ethnicity**
Non-Hispanic White	184
Black	48
Hispanic	102
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	99
85 and over	60
Less than 65	66

Conditions of Medicare patients treated by Dr. Karen Tong, MD in 2022

Hypertension	75
High Cholesterol	70
Stroke	37
Ischemic Heart Disease	34
Depression	27
Chronic Kidney Disease	34
Asthma	12
Osteoperosis	15
Atrial Fibrilation	28
Heart Failure	33
Chronic Obstructive Pulmonary Disease	21
Diabetes	47
Dementia	18
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Karen Tong, MD for Medicare patients.

The highest averages for the top procedures that Dr. Karen Tong, MD treated as a diagnostic radiologist in Loma Linda, CA were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

brain imaging (neuroimaging)	376
CT scan	333
eye procedures	13
MRI (magnetic resonance imaging)	222
neck imaging	29
spinal procedures	146
vascular procedures	19

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Karen Tong, MD.

**Gender**
Male	236
Female	291

**Ethnicity**
Black / African American	63
Asian / Pacific Islander	29
Non-Hispanic White	283
Native American / Alaskan Native	0
Hispanic	131
Other	1

**Age**
75 to 84	148
85 and over	71
Less than 65	121
65 to 74	186

Average of Total of Conditions of Medicare patients treated by Dr. Karen Tong, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	52
Stroke	23
Ischemic Heart Disease	39
Depression	30
Chronic Kidney Disease	38
Asthma	12
Osteoporosis	11
Heart Failure	33
Chronic Obstructive Pulmonary Disease	17
Diabetes	39
Atrial Fibrillation	13
Dementia	20
Cancer	14

Education & Training

Dr. Karen Tong, MD graduated from University of British Columbia Faculty of Medicine. She completed residency at Loma Linda University Medical Center. She is certified by the American Board of Radiology, Radiology and has a state license in California.

Medical School: University of British Columbia Faculty of Medicine

Residency: Loma Linda University Medical Center

Board Certification: American Board of Radiology, Radiology

Licensed In: California

Affiliations & Hospitals

Dr. Karen Tong, MD is associated with these hospitals and organizations:

Loma Linda University Health

Loma Linda University Medical Center Murrieta

Loma Linda University Medical Center East Campus

Loma Linda University Medical Center

Loma Linda University Children's Hospital

Loma Linda University Surgical Hospital

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General Payments

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

**Payments by Company**
Siemens Medical Solutions USA, Inc.	$29 MR - MRI $29
Viz.ai, Inc.	$17 VIZ.AI LVO $17

**Types of Payments**
Food and Beverage	$46

Biography

Dr. Karen Tong is a medical specialist in neuroradiology and diagnostic radiology. Dr. Tong is professionally affiliated with Loma Linda University Health. After completing medical school at the University of British Columbia Faculty of Medicine, she performed her residency at Loma Linda University Medical Center.