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Dr. Yi-Jen Chen, MD, PhD

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Specializes in: Radiation Oncology

National Taiwan University School of Medicine (1984)

Professional interests include: brachytherapy (seed implants)

300 W. Huntington Drive
Arcadia, CA 91007

1-888-388-2838

Dr. Yi-Jen Chen, MD, PhD is a radiation oncologist in DUARTE, CA specializing in radiation oncology. He graduated from National Taiwan University School of Medicine in 1984 and has 42 years of experience. Dr. Yi-Jen Chen, MD, PhD is affiliated with Keck Medical Center of USC, MemorialCare, USC Arcadia Hospital and CITY OF HOPE MEDICAL FOUNDATION.

Office Locations

1500 EAST DUARTE ROAD
DUARTE, CA 91010

(626) 359-8111

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Keck Medical Center of USC

300 W. Huntington Drive
Arcadia, CA 91007

1-888-388-2838

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Noteworthy Medicare Patient Procedures Performed by Dr. Yi-Jen Chen, MD, PhD in 2023

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

Top 25%

By Affordability:

radiation therapy

In 2012, Dr. Yi-Jen Chen, MD, PhD had a list price for radiation therapy 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. Yi-Jen Chen, MD, PhD treated as a radiation oncologist in DUARTE, CA during 2012 were radiation therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Yi-Jen Chen, MD, PhD for Medicare patients.

doctor visit	473
hospital care	12
inpatient care	12
radiation therapy	37

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Yi-Jen Chen, MD, PhD treated as a radiation oncologist in DUARTE, CA during 2013 were radiation therapy.

Volume of procedures performed by Dr. Yi-Jen Chen, MD, PhD for Medicare patients.

doctor visit	401
radiation therapy	47

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD.

**Gender**
Male	57
Female	87

**Ethnicity**
Non-Hispanic White	66
Black	0
Hispanic	34
Asian	28
Other	0
Native American	0

**Age**
From 65 to 74	75
From 75 to 84	36
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD in 2013

Hypertension	75
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	46
Depression	21
Chronic Kidney Disease	33
Asthma	10
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	22
Chronic Obstructive Pulmonary Disease	19
Diabetes	35
Dementia	0
Cancer	58

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Yi-Jen Chen, MD, PhD treated as a radiation oncologist in DUARTE, CA during 2014 were radiation therapy.

Volume of procedures performed by Dr. Yi-Jen Chen, MD, PhD for Medicare patients.

doctor visit	621
radiation therapy	44

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD.

**Gender**
Male	73
Female	96

**Ethnicity**
Non-Hispanic White	77
Black	0
Hispanic	41
Asian	36
Other	0
Native American	0

**Age**
From 65 to 74	76
From 75 to 84	61
85 and over	15
Less than 65	17

Conditions of Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD in 2014

Hypertension	73
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	47
Depression	22
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	22
Chronic Obstructive Pulmonary Disease	18
Diabetes	39
Dementia	9
Cancer	58

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Yi-Jen Chen, MD, PhD treated as a radiation oncologist in DUARTE, CA during 2015 were radiation therapy.

Volume of procedures performed by Dr. Yi-Jen Chen, MD, PhD for Medicare patients.

doctor visit	441
radiation therapy	16

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD.

**Gender**
Male	126
Female	160

**Ethnicity**
Non-Hispanic White	142
Black	0
Hispanic	58
Asian	60
Other	0
Native American	0

**Age**
From 65 to 74	158
From 75 to 84	78
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD in 2015

Hypertension	64
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	50
Depression	19
Chronic Kidney Disease	37
Asthma	13
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	34
Dementia	0
Cancer	48

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Yi-Jen Chen, MD, PhD treated as a radiation oncologist in DUARTE, CA during 2016 were radiation therapy.

Volume of procedures performed by Dr. Yi-Jen Chen, MD, PhD for Medicare patients.

doctor visit	515
radiation therapy	15

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD.

**Gender**
Male	64
Female	102

**Ethnicity**
Non-Hispanic White	76
Black	0
Hispanic	40
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	39
85 and over	12
Less than 65	28

Conditions of Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD in 2016

Hypertension	66
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	46
Depression	20
Chronic Kidney Disease	40
Asthma	16
Osteoperosis	11
Atrial Fibrilation	9
Heart Failure	20
Chronic Obstructive Pulmonary Disease	15
Diabetes	36
Dementia	7
Cancer	40

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Yi-Jen Chen, MD, PhD treated as a radiation oncologist in DUARTE, CA during 2017 were radiation therapy.

Volume of procedures performed by Dr. Yi-Jen Chen, MD, PhD for Medicare patients.

doctor visit	441
radiation therapy	20

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD.

**Gender**
Male	61
Female	89

**Ethnicity**
Non-Hispanic White	66
Black	0
Hispanic	30
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	73
From 75 to 84	44
85 and over	14
Less than 65	19

Conditions of Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD in 2017

Hypertension	70
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	47
Depression	27
Chronic Kidney Disease	49
Asthma	9
Osteoperosis	13
Atrial Fibrilation	7
Heart Failure	23
Chronic Obstructive Pulmonary Disease	17
Diabetes	37
Dementia	10
Cancer	44

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Yi-Jen Chen, MD, PhD treated as a radiation oncologist in DUARTE, CA during 2018 were radiation therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Yi-Jen Chen, MD, PhD for Medicare patients.

doctor visit	356
hospital care	15
inpatient care	15
radiation therapy	20

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD.

**Gender**
Male	69
Female	79

**Ethnicity**
Non-Hispanic White	69
Black	0
Hispanic	27
Asian	37
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	50
85 and over	13
Less than 65	22

Conditions of Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD in 2018

Hypertension	68
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	41
Depression	26
Chronic Kidney Disease	41
Asthma	9
Osteoperosis	12
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	14
Cancer	50

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Yi-Jen Chen, MD, PhD treated as a radiation oncologist in DUARTE, CA during 2019 were radiation therapy.

Volume of procedures performed by Dr. Yi-Jen Chen, MD, PhD for Medicare patients.

doctor visit	508
radiation therapy	21

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD.

**Gender**
Male	74
Female	90

**Ethnicity**
Non-Hispanic White	76
Black	0
Hispanic	31
Asian	38
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	49
85 and over	11
Less than 65	22

Conditions of Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD in 2019

Hypertension	71
High Cholesterol	50
Stroke	7
Ischemic Heart Disease	34
Depression	19
Chronic Kidney Disease	41
Asthma	9
Osteoperosis	11
Atrial Fibrilation	0
Heart Failure	16
Chronic Obstructive Pulmonary Disease	18
Diabetes	37
Dementia	9
Cancer	51

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Yi-Jen Chen, MD, PhD for Medicare patients.

doctor visit	364

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD.

**Gender**
Male	75
Female	75

**Ethnicity**
Non-Hispanic White	64
Black	0
Hispanic	37
Asian	34
Other	0
Native American	0

**Age**
From 65 to 74	73
From 75 to 84	44
85 and over	18
Less than 65	15

Conditions of Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD in 2020

Hypertension	75
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	43
Depression	18
Chronic Kidney Disease	51
Asthma	8
Osteoperosis	7
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	15
Diabetes	43
Dementia	20
Cancer	44

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Yi-Jen Chen, MD, PhD treated as a radiation oncologist in DUARTE, CA during 2021 were radiation therapy.

Volume of procedures performed by Dr. Yi-Jen Chen, MD, PhD for Medicare patients.

doctor visit	335
radiation therapy	20

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD.

**Gender**
Male	76
Female	67

**Ethnicity**
Non-Hispanic White	56
Black	0
Hispanic	0
Asian	47
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	41
85 and over	11
Less than 65	13

Conditions of Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD in 2021

Hypertension	73
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	37
Depression	20
Chronic Kidney Disease	50
Asthma	0
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	21
Chronic Obstructive Pulmonary Disease	10
Diabetes	35
Dementia	16
Cancer	58

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Yi-Jen Chen, MD, PhD treated as a radiation oncologist in DUARTE, CA during 2022 were radiation therapy.

Volume of procedures performed by Dr. Yi-Jen Chen, MD, PhD for Medicare patients.

doctor visit	372
radiation therapy	43

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD.

**Gender**
Male	71
Female	86

**Ethnicity**
Non-Hispanic White	65
Black	0
Hispanic	29
Asian	49
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	40
85 and over	16
Less than 65	14

Conditions of Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD in 2022

Hypertension	75
High Cholesterol	73
Stroke	7
Ischemic Heart Disease	33
Depression	14
Chronic Kidney Disease	25
Asthma	9
Osteoperosis	17
Atrial Fibrilation	15
Heart Failure	17
Chronic Obstructive Pulmonary Disease	20
Diabetes	39
Dementia	11
Cancer	62

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Yi-Jen Chen, MD, PhD for Medicare patients.

The highest averages for the top procedures that Dr. Yi-Jen Chen, MD, PhD treated as a radiation oncologist in DUARTE, CA were radiation therapy, hospital care and inpatient care.

doctor visit	438
hospital care	13
inpatient care	13
radiation therapy	28

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD.

**Gender**
Male	67
Female	84

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	36
Non-Hispanic White	68
Hispanic	29
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	43
85 and over	10
Less than 65	13
65 to 74	71

Average of Total of Conditions of Medicare patients treated by Dr. Yi-Jen Chen, MD, PhD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Yi-Jen Chen, MD, PhD treated were hypertension, high cholesterol, cancer and ischemic heart disease.

Hypertension	64
High Cholesterol	51
Stroke	1
Ischemic Heart Disease	38
Depression	18
Chronic Kidney Disease	36
Asthma	8
Osteoporosis	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	33
Atrial Fibrillation	5
Cancer	46
Dementia	8

Education & Training

Dr. Yi-Jen Chen, MD, PhD graduated from National Taiwan University School of Medicine in 1984. He completed residency at University of California, Irvine Affiliated Hospitals. He is certified by the American Board of Radiology and has a state license in California.

Medical School: National Taiwan University School of Medicine (1984)

Residency: University of California, Irvine Affiliated Hospitals (2002)

Board Certification: American Board of Radiology

Licensed In: California

Affiliations & Hospitals

Dr. Yi-Jen Chen, MD, PhD is associated with these hospitals and organizations:

Keck Medical Center of USC

MemorialCare

USC Arcadia Hospital

CITY OF HOPE MEDICAL FOUNDATION

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Yi-Jen Chen, MD, PhD appears to accept the following insurance providers: Humana ChoiceCare Network, Great-West Healthcare, Blue Shield of California, MultiPlan, TriWest, United Healthcare, Interplan, Aetna, Medicare, Coventry, Cigna, GEHA, Anthem, First Health, Private Healthcare Systems (PHCS), Beech Street, PacifiCare, Health Net, Brand New Day, Marian Health Services, Watchtower, Health Net Covered California, Kern Health Systems, Laundry and Dry Cleaning Workers Health & Welfare, USC Network, Take Care (GUAM), Union Roofers Health & Welfare Fund, Blue Shield Covered California, Presbyterian Intercommunity Hospital, NEXT and Health Plans of Nevada.

Insurance Accepted by Provider includes:

According to our sources, Dr. Yi-Jen Chen, MD, PhD accepts the following insurance providers:

Humana ChoiceCare Network

Great-West Healthcare

Blue Shield of California

MultiPlan

TriWest

United Healthcare

Interplan

Aetna

Medicare

Coventry

Cigna

GEHA

Anthem

First Health

Private Healthcare Systems (PHCS)

Beech Street

PacifiCare

Health Net

Brand New Day

Marian Health Services

Watchtower

Health Net Covered California

Kern Health Systems

Laundry and Dry Cleaning Workers Health & Welfare

USC Network

Take Care (GUAM)

Union Roofers Health & Welfare Fund

Blue Shield Covered California

Presbyterian Intercommunity Hospital

Health Plans of Nevada

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General Payments

These charts describe general payments received by Dr. Yi-Jen Chen, MD, PhD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Daiichi Sankyo Inc.	$3,750 Enhertu $3,750
Novartis Pharmaceuticals Corporation	$423 AFINITOR $295	SANDOSTATIN LAR $113	Exjade $14
Sirtex Medical Inc	$318 SIR-Spheres microspheres $318
Siemens Medical Solutions USA, Inc.	$171 $171
Ion Beam Applications S.A.	$167 ProteusOne $167
Other	$563 ELEKTA MEDICAL LINEAR ACCELERATOR $145	ERBITUX $129	GammaTile $46	Relistor $32	Endo Stapling $28	Other $183

**Types of Payments**
Consulting Fee	$3,750
Food and Beverage	$1,642

Research Payments

Dr. Yi-Jen Chen, MD, PhD has received 2 research payments totaling $148,455.

Biography

Dr. Yi-Jen Chen's medical specialty is radiation oncology. Areas of particular interest for Dr. Chen include brachytherapy (seed implants). He is affiliated with MemorialCare, Keck Medical Center of USC, and USC Arcadia Hospital. He seems to be an in-network provider for Anthem, PacifiCare, and Blue California, as well as other insurance carriers. According to Doctor.com, new patients are welcome to contact his office in DUARTE, CA. Dr. Chen attended medical school at National Taiwan University School of Medicine. His training includes a residency program at a hospital affiliated with the University of California, Irvine. He has received the following distinctions: Pasadena Magazine Top Doctors designation, chosen by Radiation; 'Young Clinician Award of the 10th World Congresses of Gastroenterolo; and The Japanese Interchange Association Scholarship. Dr. Chen speaks Mandarin and Taiwanese.