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Dr. Brian S. Choi, MD

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Specializes in: Medical Oncology, Adult Oncology and Adult Hematology

4500 Brockton Avenue Suite 107
Riverside, CA 92501

(951) 276-2760

Dr. Brian S. Choi, MD is a medical oncologist in Riverside, CA specializing in medical oncology, adult oncology and adult hematology. Dr. Brian S. Choi, MD is affiliated with AHMC Healthcare and Riverside Community Hospital.

Office Locations

4500 Brockton Avenue Suite 107
Riverside, CA 92501

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Noteworthy Medicare Patient Procedures Performed by Dr. Brian S. Choi, MD in 2023

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

Top 10%

By Affordability:

intravenous infusion therapy

intravenous infusion

In 2023, Dr. Brian S. Choi, MD had a list price for intravenous infusion therapy, and intravenous (IV) infusion 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:

blood tests

hospital care

inpatient care

inpatient hospital care

lab tests

In 2012, Dr. Brian S. Choi, MD had a list price for blood tests, hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), and lab tests 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. Brian S. Choi, MD treated as a medical oncologist in Riverside, CA during 2012 were hospital care, inpatient care, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Brian S. Choi, MD for Medicare patients.

biological response modifier (BRM) therapy	175
blood draw	110
chemotherapy	175
doctor visit	609
hospital care	322
inpatient care	322
lab tests	32
minimally invasive procedures	208

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Brian S. Choi, MD treated as a medical oncologist in Riverside, CA during 2013 were hospital care, inpatient care, minimally invasive procedures and lab tests.

Volume of procedures performed by Dr. Brian S. Choi, MD for Medicare patients.

biological response modifier (BRM) therapy	209
blood draw	205
chemotherapy	209
doctor visit	673
hospital care	287
inpatient care	287
lab tests	216
minimally invasive procedures	249

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian S. Choi, MD.

**Gender**
Male	156
Female	182

**Ethnicity**
Non-Hispanic White	151
Black	59
Hispanic	97
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	89
85 and over	55
Less than 65	71

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2013

Hypertension	75
High Cholesterol	59
Stroke	11
Ischemic Heart Disease	54
Depression	29
Chronic Kidney Disease	54
Asthma	12
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	41
Chronic Obstructive Pulmonary Disease	37
Diabetes	46
Dementia	21
Cancer	42

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Brian S. Choi, MD treated as a medical oncologist in Riverside, CA during 2014 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Brian S. Choi, MD for Medicare patients.

biological response modifier (BRM) therapy	223
blood draw	259
chemotherapy	223
doctor visit	691
hospital care	227
inpatient care	227
lab tests	317
minimally invasive procedures	223

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian S. Choi, MD.

**Gender**
Male	140
Female	165

**Ethnicity**
Non-Hispanic White	138
Black	46
Hispanic	92
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	68
85 and over	38
Less than 65	63

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2014

Hypertension	75
High Cholesterol	52
Stroke	9
Ischemic Heart Disease	45
Depression	25
Chronic Kidney Disease	48
Asthma	10
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	35
Chronic Obstructive Pulmonary Disease	28
Diabetes	48
Dementia	22
Cancer	43

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Brian S. Choi, MD treated as a medical oncologist in Riverside, CA during 2015 were lab tests, chemotherapy, biological response modifier (BRM) therapy and minimally invasive procedures.

Volume of procedures performed by Dr. Brian S. Choi, MD for Medicare patients.

biological response modifier (BRM) therapy	189
blood draw	177
chemotherapy	189
doctor visit	498
hospital care	134
inpatient care	134
lab tests	216
minimally invasive procedures	189

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian S. Choi, MD.

**Gender**
Male	200
Female	262

**Ethnicity**
Non-Hispanic White	204
Black	74
Hispanic	130
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	198
From 75 to 84	118
85 and over	66
Less than 65	80

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2015

Hypertension	75
High Cholesterol	58
Stroke	7
Ischemic Heart Disease	46
Depression	24
Chronic Kidney Disease	43
Asthma	20
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	32
Chronic Obstructive Pulmonary Disease	28
Diabetes	48
Dementia	19
Cancer	48

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Brian S. Choi, MD treated as a medical oncologist in Riverside, CA during 2016 were lab tests, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Brian S. Choi, MD for Medicare patients.

biological response modifier (BRM) therapy	221
blood draw	272
chemotherapy	221
doctor visit	489
hospital care	163
inpatient care	163
lab tests	329
minimally invasive procedures	221

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian S. Choi, MD.

**Gender**
Male	99
Female	109

**Ethnicity**
Non-Hispanic White	91
Black	33
Hispanic	58
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	51
85 and over	30
Less than 65	42

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2016

Hypertension	75
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	39
Depression	26
Chronic Kidney Disease	50
Asthma	35
Osteoperosis	11
Atrial Fibrilation	9
Heart Failure	32
Chronic Obstructive Pulmonary Disease	33
Diabetes	45
Dementia	14
Cancer	52

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Brian S. Choi, MD treated as a medical oncologist in Riverside, CA during 2017 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Brian S. Choi, MD for Medicare patients.

biological response modifier (BRM) therapy	237
blood draw	219
chemotherapy	237
doctor visit	534
hospital care	117
inpatient care	117
lab tests	340
minimally invasive procedures	297
port flush	19

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian S. Choi, MD.

**Gender**
Male	103
Female	120

**Ethnicity**
Non-Hispanic White	107
Black	25
Hispanic	65
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	62
85 and over	28
Less than 65	45

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2017

Hypertension	75
High Cholesterol	59
Stroke	12
Ischemic Heart Disease	43
Depression	24
Chronic Kidney Disease	60
Asthma	6
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	31
Chronic Obstructive Pulmonary Disease	30
Diabetes	52
Dementia	17
Cancer	49

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Brian S. Choi, MD treated as a medical oncologist in Riverside, CA during 2018 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Brian S. Choi, MD for Medicare patients.

biological response modifier (BRM) therapy	173
blood draw	168
chemotherapy	173
doctor visit	543
hospital care	143
inpatient care	143
lab tests	219
minimally invasive procedures	210

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian S. Choi, MD.

**Gender**
Male	105
Female	118

**Ethnicity**
Non-Hispanic White	103
Black	28
Hispanic	69
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	62
85 and over	21
Less than 65	46

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2018

Hypertension	75
High Cholesterol	61
Stroke	13
Ischemic Heart Disease	45
Depression	28
Chronic Kidney Disease	57
Asthma	9
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	31
Chronic Obstructive Pulmonary Disease	26
Diabetes	47
Dementia	13
Cancer	42

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Brian S. Choi, MD treated as a medical oncologist in Riverside, CA during 2019 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and lab tests.

Volume of procedures performed by Dr. Brian S. Choi, MD for Medicare patients.

biological response modifier (BRM) therapy	161
blood draw	105
chemotherapy	161
doctor visit	436
hospital care	96
inpatient care	96
lab tests	153
minimally invasive procedures	185

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian S. Choi, MD.

**Gender**
Male	87
Female	116

**Ethnicity**
Non-Hispanic White	83
Black	26
Hispanic	64
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	56
85 and over	22
Less than 65	45

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2019

Hypertension	74
High Cholesterol	53
Stroke	9
Ischemic Heart Disease	43
Depression	24
Chronic Kidney Disease	56
Asthma	9
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	38
Chronic Obstructive Pulmonary Disease	25
Diabetes	46
Dementia	13
Cancer	40

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Brian S. Choi, MD treated as a medical oncologist in Riverside, CA during 2020 were minimally invasive procedures, hospital care, inpatient care and chemotherapy.

Volume of procedures performed by Dr. Brian S. Choi, MD for Medicare patients.

biological response modifier (BRM) therapy	152
blood draw	66
chemotherapy	152
doctor visit	473
hospital care	160
inpatient care	160
lab tests	144
minimally invasive procedures	195

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian S. Choi, MD.

**Gender**
Male	89
Female	128

**Ethnicity**
Non-Hispanic White	96
Black	26
Hispanic	62
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	90
From 75 to 84	65
85 and over	21
Less than 65	41

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2020

Hypertension	75
High Cholesterol	61
Stroke	14
Ischemic Heart Disease	46
Depression	25
Chronic Kidney Disease	59
Asthma	8
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	35
Chronic Obstructive Pulmonary Disease	24
Diabetes	47
Dementia	16
Cancer	44

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Brian S. Choi, MD treated as a medical oncologist in Riverside, CA during 2021 were lab tests, hospital care, inpatient care and chemotherapy.

Volume of procedures performed by Dr. Brian S. Choi, MD for Medicare patients.

biological response modifier (BRM) therapy	69
blood draw	19
chemotherapy	69
doctor visit	379
hospital care	76
inpatient care	76
lab tests	80
minimally invasive procedures	69

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian S. Choi, MD.

**Gender**
Male	70
Female	100

**Ethnicity**
Non-Hispanic White	71
Black	27
Hispanic	44
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	51
85 and over	16
Less than 65	25

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2021

Hypertension	75
High Cholesterol	57
Stroke	9
Ischemic Heart Disease	39
Depression	21
Chronic Kidney Disease	55
Asthma	12
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	35
Chronic Obstructive Pulmonary Disease	26
Diabetes	39
Dementia	15
Cancer	52

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Brian S. Choi, MD treated as a medical oncologist in Riverside, CA during 2022 were hospital care, inpatient care, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Brian S. Choi, MD for Medicare patients.

biological response modifier (BRM) therapy	58
blood draw	19
chemotherapy	58
doctor visit	358
hospital care	87
inpatient care	87
lab tests	20
minimally invasive procedures	84

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian S. Choi, MD.

**Gender**
Male	91
Female	88

**Ethnicity**
Non-Hispanic White	80
Black	22
Hispanic	48
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	83
From 75 to 84	55
85 and over	20
Less than 65	21

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2022

Hypertension	75
High Cholesterol	70
Stroke	17
Ischemic Heart Disease	27
Depression	16
Chronic Kidney Disease	36
Asthma	9
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	25
Chronic Obstructive Pulmonary Disease	26
Diabetes	41
Dementia	8
Cancer	53

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Brian S. Choi, MD for Medicare patients.

The highest averages for the top procedures that Dr. Brian S. Choi, MD treated as a medical oncologist in Riverside, CA were minimally invasive procedures, lab tests, chemotherapy and biological response modifier (BRM) therapy.

biological response modifier (BRM) therapy	169
blood draw	147
chemotherapy	169
doctor visit	516
hospital care	164
inpatient care	164
lab tests	187
minimally invasive procedures	193

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Brian S. Choi, MD.

**Gender**
Male	103
Female	126

**Ethnicity**
Black / African American	33
Asian / Pacific Islander	4
Non-Hispanic White	102
Native American / Alaskan Native	0
Hispanic	66
Other	0

**Age**
75 to 84	61
85 and over	28
Less than 65	43
65 to 74	95

Average of Total of Conditions of Medicare patients treated by Dr. Brian S. Choi, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Brian S. Choi, MD treated were hypertension, high cholesterol, chronic kidney disease and cancer.

Hypertension	68
High Cholesterol	53
Stroke	9
Ischemic Heart Disease	38
Depression	22
Chronic Kidney Disease	47
Asthma	11
Osteoporosis	7
Heart Failure	30
Chronic Obstructive Pulmonary Disease	25
Diabetes	41
Atrial Fibrillation	11
Dementia	14
Cancer	42

Education & Training

He completed residency at University of Wisconsin Hospital and Clinics. He has a state license in California.

Residency: University of Wisconsin Hospital and Clinics

Licensed In: California

Affiliations & Hospitals

Dr. Brian S. Choi, MD is associated with these hospitals and organizations:

AHMC Healthcare

Riverside Community Hospital

Ratings & Reviews

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General Payments

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

**Payments by Company**
Janssen Biotech, Inc.	$2,778 IMBRUVICA $1,307	DARZALEX $563	Erleada $284	TECVAYLI $170	ZYTIGA $151	Other $304
Novartis Pharmaceuticals Corporation	$2,646 TASIGNA $380	PROMACTA $327	TAFINLAR $301	AFINITOR $262	VOTRIENT RCC $216	Other $1,160
E.R. Squibb & Sons, L.L.C.	$2,469 OPDIVO $1,567	EMPLICITI $300	SPRYCEL $136	ELIQUIS $128	YERVOY $59	Other $279
AstraZeneca Pharmaceuticals LP	$1,875 TAGRISSO $526	IMFINZI $356	LYNPARZA $329	CALQUENCE $304	FASLODEX $122	Other $238
Amgen Inc.	$1,764 XGEVA $721	Kyprolis $311	Vectibix $297	LUMAKRAS $98	Nplate $56	Other $281
Other	$23,525 KEYTRUDA $1,534	XTANDI $964	Gilotrif $519	Lenvima $508	Nerlynx $490	Other $19,511

**Types of Payments**
Food and Beverage	$33,139
Education	$1,918

Research Payments

Dr. Brian S. Choi, MD has received 55 research payments totaling $241,859.

Biography

Dr. Brian Choi is a specialist in adult hematology, adult oncology, and medical oncology. He works in Riverside, CA. His education and training includes medical school at Northwestern University, Feinberg School of Medicine and residency at the University of Wisconsin Hospital and Clinics. Dr. Choi (or staff) speaks Spanish, Korean, and Japanese. His hospital/clinic affiliations include AHMC Healthcare and Riverside Community Hospital.

Select Year:

Dr. Brian S. Choi, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Brian S. Choi, MD in 2023

By Affordability:

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. Brian S. Choi, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian S. Choi, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Brian S. Choi, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

Other Providers in Riverside, CA