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Home > CA Providers > Diagnostic Radiologists

Dr. Karl P. Nguyen, MD

(No ratings)

Specializes in: Diagnostic Radiology

1897 Alum Rock Avenue Suite 30
San Jose, CA 95116

(408) 347-9792

Dr. Karl P. Nguyen, MD is a diagnostic radiologist in San Jose, CA specializing in diagnostic radiology. Dr. Karl P. Nguyen, MD is affiliated with U.S. Department of Veterans Affairs and Santa Clara County IPA.

Office Locations

1695 Alum Rock Avenue Suite 3
San Jose, CA 95116

(408) 923-9283

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1897 Alum Rock Avenue Suite 30
San Jose, CA 95116

(408) 347-9792

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650 East Indian School Road Phoenix Va Health Care System (644)
Phoenix, AZ 85012

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Karl P. Nguyen, MD treated as a diagnostic radiologist in San Jose, CA during 2012 were X-rays, women's imaging, breast procedures and preventive care.

Volume of procedures performed by Dr. Karl P. Nguyen, MD for Medicare patients.

abdominal imaging	959
brain imaging (neuroimaging)	92
breast procedures	3117
CT scan	349
diagnostic imaging	158
hip imaging	78
musculoskeletal imaging	566
neck imaging	66
pelvic imaging	146
preventive care	2884
spinal procedures	128
thoracic (chest) imaging	1336
ultrasound (sonogram)	1179
vascular procedures	105
women's imaging	3151
X-rays	4928

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Karl P. Nguyen, MD treated as a diagnostic radiologist in San Jose, CA during 2013 were X-rays, women's imaging, breast procedures and preventive care.

Volume of procedures performed by Dr. Karl P. Nguyen, MD for Medicare patients.

abdominal imaging	364
brain imaging (neuroimaging)	41
breast procedures	929
CT scan	174
diagnostic imaging	92
hip imaging	29
MRI (magnetic resonance imaging)	14
musculoskeletal imaging	243
neck imaging	35
pelvic imaging	76
preventive care	804
spinal procedures	81
thoracic (chest) imaging	624
ultrasound (sonogram)	469
vascular procedures	55
women's imaging	944
X-rays	1744

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl P. Nguyen, MD.

**Gender**
Male	584
Female	1229

**Ethnicity**
Non-Hispanic White	386
Black	29
Hispanic	234
Asian	1143
Other	0
Native American	0

**Age**
From 65 to 74	936
From 75 to 84	568
85 and over	157
Less than 65	152

Conditions of Medicare patients treated by Dr. Karl P. Nguyen, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	27
Depression	13
Chronic Kidney Disease	19
Asthma	8
Osteoperosis	21
Atrial Fibrilation	4
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	44
Dementia	9
Cancer	5

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Karl P. Nguyen, MD treated as a diagnostic radiologist in San Jose, CA during 2014 were X-rays, thoracic (chest) imaging, musculoskeletal imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Karl P. Nguyen, MD for Medicare patients.

abdominal imaging	206
brain imaging (neuroimaging)	28
CT scan	150
hip imaging	83
MRI (magnetic resonance imaging)	85
musculoskeletal imaging	276
neck imaging	33
pelvic imaging	98
spinal procedures	134
thoracic (chest) imaging	349
ultrasound (sonogram)	241
urologic procedures	43
vascular procedures	60
X-rays	655

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl P. Nguyen, MD.

**Gender**
Male	475
Female	744

**Ethnicity**
Non-Hispanic White	982
Black	60
Hispanic	112
Asian	28
Other	26
Native American	11

**Age**
From 65 to 74	651
From 75 to 84	297
85 and over	112
Less than 65	159

Conditions of Medicare patients treated by Dr. Karl P. Nguyen, MD in 2014

Hypertension	67
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	29
Depression	22
Chronic Kidney Disease	23
Asthma	9
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Karl P. Nguyen, MD treated as a diagnostic radiologist in San Jose, CA during 2015 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and musculoskeletal imaging.

Volume of procedures performed by Dr. Karl P. Nguyen, MD for Medicare patients.

abdominal imaging	258
brain imaging (neuroimaging)	94
breast procedures	103
CT scan	148
hip imaging	98
MRI (magnetic resonance imaging)	159
musculoskeletal imaging	294
neck imaging	48
pelvic imaging	151
preventive care	103
spinal procedures	180
thoracic (chest) imaging	490
ultrasound (sonogram)	341
urologic procedures	33
vascular procedures	80
women's imaging	116
X-rays	963

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl P. Nguyen, MD.

**Gender**
Male	1406
Female	2120

**Ethnicity**
Non-Hispanic White	2992
Black	138
Hispanic	268
Asian	74
Other	0
Native American	0

**Age**
From 65 to 74	1764
From 75 to 84	950
85 and over	416
Less than 65	396

Conditions of Medicare patients treated by Dr. Karl P. Nguyen, MD in 2015

Hypertension	70
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	36
Depression	21
Chronic Kidney Disease	28
Asthma	17
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	20
Diabetes	31
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Karl P. Nguyen, MD treated as a diagnostic radiologist in San Jose, CA during 2016 were X-rays, thoracic (chest) imaging, CT scan and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Karl P. Nguyen, MD for Medicare patients.

abdominal imaging	306
brain imaging (neuroimaging)	331
breast procedures	235
CT scan	620
diagnostic imaging	15
hip imaging	15
MRI (magnetic resonance imaging)	155
musculoskeletal imaging	160
neck imaging	24
pelvic imaging	214
preventive care	188
spinal procedures	197
thoracic (chest) imaging	1257
ultrasound (sonogram)	201
vascular procedures	80
women's imaging	235
X-rays	1676

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl P. Nguyen, MD.

**Gender**
Male	1072
Female	1626

**Ethnicity**
Non-Hispanic White	2293
Black	130
Hispanic	216
Asian	15
Other	25
Native American	19

**Age**
From 65 to 74	988
From 75 to 84	828
85 and over	432
Less than 65	450

Conditions of Medicare patients treated by Dr. Karl P. Nguyen, MD in 2016

Hypertension	75
High Cholesterol	62
Stroke	10
Ischemic Heart Disease	48
Depression	31
Chronic Kidney Disease	42
Asthma	32
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	31
Chronic Obstructive Pulmonary Disease	30
Diabetes	38
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Karl P. Nguyen, MD treated as a diagnostic radiologist in San Jose, CA during 2017 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Karl P. Nguyen, MD for Medicare patients.

abdominal imaging	712
brain imaging (neuroimaging)	644
CT scan	1266
gastrointestinal procedures	26
MRI (magnetic resonance imaging)	187
musculoskeletal imaging	326
neck imaging	43
pelvic imaging	453
spinal procedures	308
thoracic (chest) imaging	1939
ultrasound (sonogram)	371
vascular procedures	175
X-rays	2477

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl P. Nguyen, MD.

**Gender**
Male	1570
Female	1886

**Ethnicity**
Non-Hispanic White	2582
Black	50
Hispanic	701
Asian	24
Other	32
Native American	67

**Age**
From 65 to 74	1301
From 75 to 84	1273
85 and over	587
Less than 65	295

Conditions of Medicare patients treated by Dr. Karl P. Nguyen, MD in 2017

Hypertension	75
High Cholesterol	63
Stroke	12
Ischemic Heart Disease	54
Depression	29
Chronic Kidney Disease	50
Asthma	8
Osteoperosis	14
Atrial Fibrilation	18
Heart Failure	31
Chronic Obstructive Pulmonary Disease	29
Diabetes	39
Dementia	20
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Karl P. Nguyen, MD treated as a diagnostic radiologist in San Jose, CA during 2018 were CT scan, X-rays, abdominal imaging and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Karl P. Nguyen, MD for Medicare patients.

abdominal imaging	476
brain imaging (neuroimaging)	415
CT scan	755
gastrointestinal procedures	22
MRI (magnetic resonance imaging)	86
musculoskeletal imaging	200
neck imaging	21
pelvic imaging	219
spinal procedures	197
thoracic (chest) imaging	75
ultrasound (sonogram)	272
vascular procedures	166
X-rays	480

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl P. Nguyen, MD.

**Gender**
Male	1046
Female	1277

**Ethnicity**
Non-Hispanic White	1725
Black	39
Hispanic	475
Asian	17
Other	30
Native American	37

**Age**
From 65 to 74	864
From 75 to 84	910
85 and over	370
Less than 65	179

Conditions of Medicare patients treated by Dr. Karl P. Nguyen, MD in 2018

Hypertension	75
High Cholesterol	69
Stroke	12
Ischemic Heart Disease	54
Depression	29
Chronic Kidney Disease	50
Asthma	9
Osteoperosis	17
Atrial Fibrilation	20
Heart Failure	35
Chronic Obstructive Pulmonary Disease	29
Diabetes	41
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Karl P. Nguyen, MD treated as a diagnostic radiologist in San Jose, CA during 2020 were CT scan, brain imaging (neuroimaging), X-rays and abdominal imaging.

Volume of procedures performed by Dr. Karl P. Nguyen, MD for Medicare patients.

abdominal imaging	97
brain imaging (neuroimaging)	107
CT scan	246
MRI (magnetic resonance imaging)	19
musculoskeletal imaging	53
pelvic imaging	85
spinal procedures	69
thoracic (chest) imaging	50
ultrasound (sonogram)	65
vascular procedures	38
X-rays	99

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl P. Nguyen, MD.

**Gender**
Male	388
Female	480

**Ethnicity**
Non-Hispanic White	674
Black	94
Hispanic	51
Asian	17
Other	20
Native American	12

**Age**
From 65 to 74	321
From 75 to 84	273
85 and over	161
Less than 65	113

Conditions of Medicare patients treated by Dr. Karl P. Nguyen, MD in 2020

Hypertension	75
High Cholesterol	64
Stroke	13
Ischemic Heart Disease	49
Depression	36
Chronic Kidney Disease	53
Asthma	10
Osteoperosis	12
Atrial Fibrilation	22
Heart Failure	36
Chronic Obstructive Pulmonary Disease	26
Diabetes	40
Dementia	24
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Karl P. Nguyen, MD treated as a diagnostic radiologist in San Jose, CA during 2021 were X-rays, CT scan, brain imaging (neuroimaging) and ultrasound (sonogram).

Volume of procedures performed by Dr. Karl P. Nguyen, MD for Medicare patients.

abdominal imaging	124
brain imaging (neuroimaging)	237
breast procedures	23
CT scan	245
MRI (magnetic resonance imaging)	181
musculoskeletal imaging	70
pelvic imaging	29
preventive care	23
spinal procedures	213
thoracic (chest) imaging	69
ultrasound (sonogram)	228
vascular procedures	133
women's imaging	23
X-rays	250

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl P. Nguyen, MD.

**Gender**
Male	874
Female	1146

**Ethnicity**
Non-Hispanic White	1926
Black	50
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	805
From 75 to 84	628
85 and over	275
Less than 65	312

Conditions of Medicare patients treated by Dr. Karl P. Nguyen, MD in 2021

Hypertension	75
High Cholesterol	63
Stroke	10
Ischemic Heart Disease	50
Depression	34
Chronic Kidney Disease	50
Asthma	8
Osteoperosis	13
Atrial Fibrilation	22
Heart Failure	37
Chronic Obstructive Pulmonary Disease	33
Diabetes	40
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Karl P. Nguyen, MD treated as a diagnostic radiologist in San Jose, CA during 2022 were X-rays, musculoskeletal imaging, ultrasound (sonogram) and CT scan.

Volume of procedures performed by Dr. Karl P. Nguyen, MD for Medicare patients.

abdominal imaging	11
CT scan	11
musculoskeletal imaging	22
thoracic (chest) imaging	11
ultrasound (sonogram)	11
X-rays	36

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl P. Nguyen, MD.

**Gender**
Male	171
Female	214

**Ethnicity**
Non-Hispanic White	366
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	165
From 75 to 84	126
85 and over	57
Less than 65	37

Conditions of Medicare patients treated by Dr. Karl P. Nguyen, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	39
Depression	23
Chronic Kidney Disease	38
Asthma	9
Osteoperosis	15
Atrial Fibrilation	34
Heart Failure	33
Chronic Obstructive Pulmonary Disease	37
Diabetes	39
Dementia	10
Cancer	22

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Karl P. Nguyen, MD treated as a diagnostic radiologist in San Jose, CA during 2023 were CT scan, abdominal imaging, ultrasound (sonogram) and thoracic (chest) imaging.

Volume of procedures performed by Dr. Karl P. Nguyen, MD for Medicare patients.

abdominal imaging	115
brain imaging (neuroimaging)	31
CT scan	177
lab tests	16
pelvic imaging	45
thoracic (chest) imaging	101
ultrasound (sonogram)	111
vascular procedures	41
X-rays	28

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl P. Nguyen, MD.

**Gender**
Male	400
Female	468

**Ethnicity**
Non-Hispanic White	834
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	333
From 75 to 84	296
85 and over	156
Less than 65	83

Conditions of Medicare patients treated by Dr. Karl P. Nguyen, MD in 2023

Hypertension	75
High Cholesterol	73
Stroke	13
Ischemic Heart Disease	41
Depression	26
Chronic Kidney Disease	34
Asthma	11
Osteoperosis	17
Atrial Fibrilation	31
Heart Failure	36
Chronic Obstructive Pulmonary Disease	39
Diabetes	38
Dementia	13
Cancer	22

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Karl P. Nguyen, MD treated as a diagnostic radiologist in San Jose, CA during 2024 were CT scan, thoracic (chest) imaging, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Karl P. Nguyen, MD for Medicare patients.

abdominal imaging	27
CT scan	68
musculoskeletal imaging	43
pelvic imaging	13
thoracic (chest) imaging	55
ultrasound (sonogram)	27
vascular procedures	13
X-rays	43

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl P. Nguyen, MD.

**Gender**
Male	161
Female	277

**Ethnicity**
Non-Hispanic White	421
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	193
From 75 to 84	136
85 and over	68
Less than 65	41

Conditions of Medicare patients treated by Dr. Karl P. Nguyen, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	39
Depression	28
Chronic Kidney Disease	30
Asthma	13
Osteoperosis	20
Atrial Fibrilation	24
Heart Failure	29
Chronic Obstructive Pulmonary Disease	33
Diabetes	35
Dementia	8
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Karl P. Nguyen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Karl P. Nguyen, MD treated as a diagnostic radiologist in San Jose, CA were X-rays, women's imaging, breast procedures and preventive care.

abdominal imaging	304
brain imaging (neuroimaging)	202
breast procedures	881
CT scan	350
diagnostic imaging	88
gastrointestinal procedures	24
hip imaging	60
lab tests	16
MRI (magnetic resonance imaging)	110
musculoskeletal imaging	204
neck imaging	38
pelvic imaging	139
preventive care	800
spinal procedures	167
thoracic (chest) imaging	529
ultrasound (sonogram)	293
urologic procedures	38
vascular procedures	86
women's imaging	893
X-rays	1114

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Karl P. Nguyen, MD.

**Gender**
Male	678
Female	955

**Ethnicity**
Black / African American	50
Asian / Pacific Islander	109
Non-Hispanic White	1265
Hispanic	171
Native American / Alaskan Native	12
Other	11

**Age**
85 and over	232
75 to 84	523
Less than 65	184
65 to 74	693

Average of Total of Conditions of Medicare patients treated by Dr. Karl P. Nguyen, MD From 2012 - 2024

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

Hypertension	67
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	38
Depression	24
Chronic Kidney Disease	34
Asthma	11
Osteoporosis	13
Heart Failure	25
Chronic Obstructive Pulmonary Disease	25
Diabetes	34
Atrial Fibrillation	17
Cancer	13
Dementia	12

Education & Training

He has a state license in Arizona.

Licensed In: Arizona

Ratings & Reviews

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General Payments

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