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Dr. Derek H. Nguyen, MD

(Dr. Derek Nguyen, MD)

(No ratings)

Specializes in: Internal Medicine (Adult Medicine) and Dermatology (Skin Disorders)

4100 Central Avenue Suite 102
Riverside, CA 92506

(951) 683-6830

Dr. Derek H. Nguyen, MD is an internist in Riverside, CA specializing in internal medicine (adult medicine) and dermatology (skin disorders). Dr. Derek H. Nguyen, MD is affiliated with Riverside Community Hospital.

Office Locations

4100 Central Avenue Suite 102
Riverside, CA 92506

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4435 Brockton Avenue Suite B
Riverside, CA 92501

(951) 683-6830

(951) 228-9458

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Noteworthy Medicare Patient Procedures Performed by Dr. Derek H. Nguyen, MD in 2023

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

Top 5%

By Affordability:

In 2023, Dr. Derek H. Nguyen, MD had a list price for flu shot, flu vaccine, immunization (preventive vaccines), and vaccines that was lower than the list prices billed to Medicare by 95% 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 10%

By Volume:

inpatient hospital care

nursing home care

In 2023, Dr. Derek H. Nguyen, MD performed more inpatient hospital care (for patient admitted to hospital), and nursing home care procedures for Medicare patients than 90% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Derek H. Nguyen, MD treated as an internist in Riverside, CA during 2012 were hospital care, inpatient care, nursing home care and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Derek H. Nguyen, MD for Medicare patients.

diagnostic procedures	78
doctor visit	962
hospital care	1450
inpatient care	1450
nursing home care	692
preventive care	48
removal of lesion (e.g. growth)	85
skin procedures	85
vaccines	48

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Derek H. Nguyen, MD treated as an internist in Riverside, CA during 2013 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Derek H. Nguyen, MD for Medicare patients.

doctor visit	1389
hospital care	1862
inpatient care	1862
nursing home care	801
preventive care	76
removal of lesion (e.g. growth)	69
skin procedures	69
vaccines	76

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek H. Nguyen, MD.

**Gender**
Male	296
Female	493

**Ethnicity**
Non-Hispanic White	490
Black	74
Hispanic	165
Asian	47
Other	0
Native American	0

**Age**
From 65 to 74	227
From 75 to 84	256
85 and over	194
Less than 65	112

Conditions of Medicare patients treated by Dr. Derek H. Nguyen, MD in 2013

Hypertension	75
High Cholesterol	62
Stroke	16
Ischemic Heart Disease	52
Depression	35
Chronic Kidney Disease	48
Asthma	11
Osteoperosis	15
Atrial Fibrilation	19
Heart Failure	44
Chronic Obstructive Pulmonary Disease	30
Diabetes	44
Dementia	33
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Derek H. Nguyen, MD treated as an internist in Riverside, CA during 2014 were hospital care, inpatient care, nursing home care and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Derek H. Nguyen, MD for Medicare patients.

doctor visit	1153
hospital care	2020
inpatient care	2020
nursing home care	862
preventive care	52
removal of lesion (e.g. growth)	63
skin procedures	63
vaccines	52

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek H. Nguyen, MD.

**Gender**
Male	320
Female	476

**Ethnicity**
Non-Hispanic White	488
Black	66
Hispanic	175
Asian	53
Other	0
Native American	0

**Age**
From 65 to 74	229
From 75 to 84	282
85 and over	181
Less than 65	104

Conditions of Medicare patients treated by Dr. Derek H. Nguyen, MD in 2014

Hypertension	75
High Cholesterol	65
Stroke	13
Ischemic Heart Disease	50
Depression	33
Chronic Kidney Disease	49
Asthma	11
Osteoperosis	13
Atrial Fibrilation	19
Heart Failure	43
Chronic Obstructive Pulmonary Disease	31
Diabetes	48
Dementia	30
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Derek H. Nguyen, MD treated as an internist in Riverside, CA during 2015 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Derek H. Nguyen, MD for Medicare patients.

chronic care	22
diagnostic procedures	14
doctor visit	1190
hospital care	2062
inpatient care	2062
nursing home care	698
preventive care	76
removal of lesion (e.g. growth)	17
skin procedures	17
vaccines	76

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek H. Nguyen, MD.

**Gender**
Male	628
Female	856

**Ethnicity**
Non-Hispanic White	930
Black	126
Hispanic	302
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	438
From 75 to 84	494
85 and over	324
Less than 65	228

Conditions of Medicare patients treated by Dr. Derek H. Nguyen, MD in 2015

Hypertension	75
High Cholesterol	66
Stroke	18
Ischemic Heart Disease	51
Depression	36
Chronic Kidney Disease	51
Asthma	24
Osteoperosis	13
Atrial Fibrilation	21
Heart Failure	43
Chronic Obstructive Pulmonary Disease	33
Diabetes	48
Dementia	30
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Derek H. Nguyen, MD treated as an internist in Riverside, CA during 2016 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Derek H. Nguyen, MD for Medicare patients.

doctor visit	1117
hospital care	1678
inpatient care	1678
nursing home care	1121
preventive care	68
removal of lesion (e.g. growth)	21
skin procedures	21
vaccines	68

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek H. Nguyen, MD.

**Gender**
Male	264
Female	388

**Ethnicity**
Non-Hispanic White	407
Black	56
Hispanic	133
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	183
From 75 to 84	224
85 and over	145
Less than 65	100

Conditions of Medicare patients treated by Dr. Derek H. Nguyen, MD in 2016

Hypertension	75
High Cholesterol	68
Stroke	18
Ischemic Heart Disease	54
Depression	36
Chronic Kidney Disease	56
Asthma	33
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	43
Chronic Obstructive Pulmonary Disease	31
Diabetes	50
Dementia	32
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Derek H. Nguyen, MD treated as an internist in Riverside, CA during 2017 were hospital care, inpatient care, nursing home care and chronic care.

Volume of procedures performed by Dr. Derek H. Nguyen, MD for Medicare patients.

chronic care	66
doctor visit	1054
hospital care	1301
inpatient care	1301
nursing home care	788
preventive care	13
removal of lesion (e.g. growth)	33
skin procedures	33
vaccines	13

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek H. Nguyen, MD.

**Gender**
Male	211
Female	298

**Ethnicity**
Non-Hispanic White	320
Black	46
Hispanic	95
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	160
85 and over	131
Less than 65	72

Conditions of Medicare patients treated by Dr. Derek H. Nguyen, MD in 2017

Hypertension	75
High Cholesterol	70
Stroke	19
Ischemic Heart Disease	54
Depression	35
Chronic Kidney Disease	58
Asthma	12
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	42
Chronic Obstructive Pulmonary Disease	29
Diabetes	46
Dementia	31
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Derek H. Nguyen, MD treated as an internist in Riverside, CA during 2018 were hospital care, inpatient care, nursing home care and chronic care.

Volume of procedures performed by Dr. Derek H. Nguyen, MD for Medicare patients.

chronic care	185
doctor visit	896
hospital care	1095
inpatient care	1095
nursing home care	411
preventive care	36
removal of lesion (e.g. growth)	18
skin procedures	18
vaccines	36

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek H. Nguyen, MD.

**Gender**
Male	202
Female	316

**Ethnicity**
Non-Hispanic White	307
Black	0
Hispanic	114
Asian	48
Other	0
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	169
85 and over	113
Less than 65	59

Conditions of Medicare patients treated by Dr. Derek H. Nguyen, MD in 2018

Hypertension	75
High Cholesterol	74
Stroke	16
Ischemic Heart Disease	56
Depression	36
Chronic Kidney Disease	60
Asthma	12
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	45
Chronic Obstructive Pulmonary Disease	31
Diabetes	49
Dementia	32
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Derek H. Nguyen, MD treated as an internist in Riverside, CA during 2019 were hospital care, inpatient care, nursing home care and chronic care.

Volume of procedures performed by Dr. Derek H. Nguyen, MD for Medicare patients.

chronic care	424
doctor visit	922
hospital care	1060
inpatient care	1060
nursing home care	517
removal of lesion (e.g. growth)	31
skin procedures	31

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek H. Nguyen, MD.

**Gender**
Male	217
Female	264

**Ethnicity**
Non-Hispanic White	270
Black	0
Hispanic	103
Asian	53
Other	0
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	168
85 and over	103
Less than 65	61

Conditions of Medicare patients treated by Dr. Derek H. Nguyen, MD in 2019

Hypertension	75
High Cholesterol	74
Stroke	16
Ischemic Heart Disease	53
Depression	35
Chronic Kidney Disease	61
Asthma	12
Osteoperosis	12
Atrial Fibrilation	22
Heart Failure	44
Chronic Obstructive Pulmonary Disease	29
Diabetes	49
Dementia	31
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Derek H. Nguyen, MD treated as an internist in Riverside, CA during 2020 were hospital care, inpatient care, nursing home care and chronic care.

Volume of procedures performed by Dr. Derek H. Nguyen, MD for Medicare patients.

chronic care	228
doctor visit	732
hospital care	1096
inpatient care	1096
nursing home care	1069
removal of lesion (e.g. growth)	35
skin procedures	35

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek H. Nguyen, MD.

**Gender**
Male	215
Female	295

**Ethnicity**
Non-Hispanic White	280
Black	73
Hispanic	91
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	167
85 and over	110
Less than 65	65

Conditions of Medicare patients treated by Dr. Derek H. Nguyen, MD in 2020

Hypertension	75
High Cholesterol	67
Stroke	14
Ischemic Heart Disease	52
Depression	33
Chronic Kidney Disease	60
Asthma	10
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	43
Chronic Obstructive Pulmonary Disease	27
Diabetes	46
Dementia	32
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Derek H. Nguyen, MD treated as an internist in Riverside, CA during 2021 were nursing home care, hospital care, inpatient care and preventive care.

Volume of procedures performed by Dr. Derek H. Nguyen, MD for Medicare patients.

doctor visit	710
hospital care	797
inpatient care	797
nursing home care	1169
preventive care	38
removal of lesion (e.g. growth)	23
skin procedures	23
vaccines	38

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek H. Nguyen, MD.

**Gender**
Male	202
Female	280

**Ethnicity**
Non-Hispanic White	264
Black	0
Hispanic	101
Asian	62
Other	0
Native American	0

**Age**
From 65 to 74	160
From 75 to 84	148
85 and over	104
Less than 65	70

Conditions of Medicare patients treated by Dr. Derek H. Nguyen, MD in 2021

Hypertension	75
High Cholesterol	69
Stroke	11
Ischemic Heart Disease	50
Depression	35
Chronic Kidney Disease	60
Asthma	12
Osteoperosis	7
Atrial Fibrilation	20
Heart Failure	39
Chronic Obstructive Pulmonary Disease	26
Diabetes	48
Dementia	30
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Derek H. Nguyen, MD treated as an internist in Riverside, CA during 2022 were nursing home care, hospital care, inpatient care and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Derek H. Nguyen, MD for Medicare patients.

doctor visit	721
hospital care	1016
inpatient care	1016
nursing home care	2023
removal of lesion (e.g. growth)	16
skin procedures	16

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek H. Nguyen, MD.

**Gender**
Male	275
Female	359

**Ethnicity**
Non-Hispanic White	357
Black	54
Hispanic	127
Asian	79
Other	0
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	198
85 and over	137
Less than 65	80

Conditions of Medicare patients treated by Dr. Derek H. Nguyen, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	23
Ischemic Heart Disease	37
Depression	35
Chronic Kidney Disease	40
Asthma	13
Osteoperosis	15
Atrial Fibrilation	28
Heart Failure	37
Chronic Obstructive Pulmonary Disease	29
Diabetes	47
Dementia	28
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Derek H. Nguyen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Derek H. Nguyen, MD treated as an internist in Riverside, CA were hospital care, inpatient care, nursing home care and chronic care.

chronic care	185
diagnostic procedures	46
doctor visit	986
hospital care	1403
inpatient care	1403
nursing home care	922
preventive care	50
removal of lesion (e.g. growth)	37
skin procedures	37
vaccines	50

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Derek H. Nguyen, MD.

**Gender**
Male	257
Female	365

**Ethnicity**
Black / African American	45
Asian / Pacific Islander	31
Non-Hispanic White	373
Native American / Alaskan Native	0
Hispanic	127
Other	0

**Age**
75 to 84	206
85 and over	140
Less than 65	86
65 to 74	190

Average of Total of Conditions of Medicare patients treated by Dr. Derek H. Nguyen, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	62
Stroke	14
Ischemic Heart Disease	46
Depression	31
Chronic Kidney Disease	49
Asthma	13
Osteoporosis	11
Heart Failure	38
Chronic Obstructive Pulmonary Disease	26
Diabetes	43
Atrial Fibrillation	18
Dementia	28
Cancer	11

Education & Training

He completed residency at Norwalk Hospital. He has a state license in California.

Residency: Norwalk Hospital

Licensed In: California

Affiliations & Hospitals

Dr. Derek H. Nguyen, MD is associated with these hospitals and organizations:

Riverside Community Hospital

Ratings & Reviews

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$1,774 FARXIGA $420	SYMBICORT $358	BRILINTA $343	BEVESPI AEROSPHERE $183	BREZTRI $156	Other $314
GlaxoSmithKline, LLC.	$913 BREO $485	TRELEGY ELLIPTA $142	TANZEUM $116	ANORO $61	AREXVY $32	Other $78
Novo Nordisk Inc	$869 Ozempic $175	Victoza $116	NovoLog $102	RYBELSUS $101	Tresiba $88	Other $287
Janssen Pharmaceuticals, Inc	$772 INVOKANA $433	XARELTO $313	$26
SANOFI-AVENTIS U.S. LLC	$660 TOUJEO $414	PRALUENT $175	LANTUS $53	AFREZZA $19
Other	$7,004 ELIQUIS $833	ENTRESTO $354	XIFAXAN $332	UBRELVY $283	TEFLARO $215	Other $4,987

**Types of Payments**
Food and Beverage	$11,824
Consulting Fee	$100
Education	$68

Biography

Dr. Derek Nguyen sees patients in Riverside, CA. His medical specialty is dermatology (skin disorders). He is professionally affiliated with Riverside Community Hospital. Dr. Nguyen is a graduate of Yale School of Medicine. His residency was performed at Norwalk Hospital.