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Dr. Andrew Tzong-Yow Chen, DO

(1 Rating)

Specializes in: Adult Oncology and Adult Hematology

Touro University College of Osteopathic Medicine (2002)

Professional interests include: cancer

1501 Ne Medical Center Drive
Bend, OR 97701

(541) 382-2811

Dr. Andrew Tzong-Yow Chen, DO is an oncologist in Bend, OR specializing in adult oncology and adult hematology. He graduated from Touro University College of Osteopathic Medicine in 2002 and has 24 years of experience. Dr. Andrew Tzong-Yow Chen, DO is affiliated with St. Charles Health System and St. Charles Health System.

Office Locations

1501 Ne Medical Center Drive
Bend, OR 97701

(541) 382-2811

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St. Charles Health System

2500 Northeast Neff Road
Bend, OR 97701

(541) 706-5800

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Andrew Tzong-Yow Chen, DO treated as an oncologist in Bend, OR during 2012 were diagnostic procedures, bone marrow tests and aspiration.

Volume of procedures performed by Dr. Andrew Tzong-Yow Chen, DO for Medicare patients.

aspiration	11
bone marrow tests	22
diagnostic procedures	22
doctor visit	668

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Andrew Tzong-Yow Chen, DO treated as an oncologist in Bend, OR during 2013 were diagnostic procedures, bone marrow tests, hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew Tzong-Yow Chen, DO for Medicare patients.

aspiration	11
bone marrow tests	22
diagnostic procedures	22
doctor visit	663
hospital care	20
inpatient care	20

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO.

**Gender**
Male	75
Female	68

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

**Age**
From 65 to 74	61
From 75 to 84	44
85 and over	15
Less than 65	23

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2013

Hypertension	61
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	36
Depression	23
Chronic Kidney Disease	37
Asthma	10
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	19
Diabetes	23
Dementia	10
Cancer	40

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Andrew Tzong-Yow Chen, DO treated as an oncologist in Bend, OR during 2014 were hospital care, inpatient care, diagnostic procedures and bone marrow tests.

Volume of procedures performed by Dr. Andrew Tzong-Yow Chen, DO for Medicare patients.

aspiration	11
bone marrow tests	22
diagnostic procedures	22
doctor visit	738
hospital care	42
inpatient care	42

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO.

**Gender**
Male	71
Female	86

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

**Age**
From 65 to 74	72
From 75 to 84	46
85 and over	13
Less than 65	26

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2014

Hypertension	54
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	32
Depression	27
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	17
Diabetes	28
Dementia	8
Cancer	42

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Andrew Tzong-Yow Chen, DO for Medicare patients.

doctor visit	493

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO.

**Gender**
Male	128
Female	130

**Ethnicity**
Non-Hispanic White	226
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	88
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2015

Hypertension	64
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	33
Depression	22
Chronic Kidney Disease	37
Asthma	9
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	22
Chronic Obstructive Pulmonary Disease	14
Diabetes	27
Dementia	0
Cancer	43

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Andrew Tzong-Yow Chen, DO treated as an oncologist in Bend, OR during 2016 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Andrew Tzong-Yow Chen, DO for Medicare patients.

biological response modifier (BRM) therapy	265
blood draw	361
bone marrow tests	12
chemotherapy	265
diagnostic procedures	12
doctor visit	772
lab tests	1256
minimally invasive procedures	331
port flush	14

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO.

**Gender**
Male	132
Female	131

**Ethnicity**
Non-Hispanic White	246
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	74
85 and over	28
Less than 65	26

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2016

Hypertension	60
High Cholesterol	50
Stroke	5
Ischemic Heart Disease	33
Depression	20
Chronic Kidney Disease	35
Asthma	15
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	16
Diabetes	27
Dementia	9
Cancer	35

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Andrew Tzong-Yow Chen, DO treated as an oncologist in Bend, OR during 2017 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Andrew Tzong-Yow Chen, DO for Medicare patients.

aspiration	17
biological response modifier (BRM) therapy	263
blood draw	546
bone marrow tests	34
chemotherapy	263
diagnostic procedures	34
doctor visit	980
hospital care	28
inpatient care	28
lab tests	1650
minimally invasive procedures	336
port flush	17

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO.

**Gender**
Male	146
Female	159

**Ethnicity**
Non-Hispanic White	281
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	106
85 and over	24
Less than 65	23

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2017

Hypertension	58
High Cholesterol	50
Stroke	5
Ischemic Heart Disease	38
Depression	27
Chronic Kidney Disease	32
Asthma	7
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	25
Dementia	7
Cancer	34

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Andrew Tzong-Yow Chen, DO treated as an oncologist in Bend, OR during 2018 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Andrew Tzong-Yow Chen, DO for Medicare patients.

biological response modifier (BRM) therapy	240
blood draw	880
chemotherapy	240
doctor visit	1211
hospital care	27
inpatient care	27
lab tests	2382
minimally invasive procedures	318
port flush	21
thyroid function tests	22

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO.

**Gender**
Male	196
Female	196

**Ethnicity**
Non-Hispanic White	369
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	201
From 75 to 84	124
85 and over	39
Less than 65	28

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2018

Hypertension	55
High Cholesterol	53
Stroke	4
Ischemic Heart Disease	33
Depression	21
Chronic Kidney Disease	32
Asthma	5
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	24
Dementia	7
Cancer	38

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Andrew Tzong-Yow Chen, DO treated as an oncologist in Bend, OR during 2019 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Andrew Tzong-Yow Chen, DO for Medicare patients.

biological response modifier (BRM) therapy	345
blood draw	1178
chemotherapy	345
doctor visit	1327
lab tests	3070
minimally invasive procedures	447
preventive care	20
thyroid function tests	65
vaccines	20

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO.

**Gender**
Male	182
Female	196

**Ethnicity**
Non-Hispanic White	359
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	181
From 75 to 84	130
85 and over	36
Less than 65	31

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2019

Hypertension	62
High Cholesterol	49
Stroke	4
Ischemic Heart Disease	34
Depression	25
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	23
Dementia	9
Cancer	34

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Andrew Tzong-Yow Chen, DO treated as an oncologist in Bend, OR during 2020 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Andrew Tzong-Yow Chen, DO for Medicare patients.

biological response modifier (BRM) therapy	241
blood draw	1549
chemotherapy	241
diabetes management	67
doctor visit	1194
hospital care	33
inpatient care	33
lab tests	4012
minimally invasive procedures	322
port flush	18
preventive care	207
thyroid function tests	211
vaccines	30

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO.

**Gender**
Male	487
Female	497

**Ethnicity**
Non-Hispanic White	921
Black	0
Hispanic	13
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	502
From 75 to 84	324
85 and over	80
Less than 65	78

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2020

Hypertension	59
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	35
Depression	26
Chronic Kidney Disease	30
Asthma	6
Osteoperosis	14
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	22
Dementia	8
Cancer	22

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Andrew Tzong-Yow Chen, DO treated as an oncologist in Bend, OR during 2021 were lab tests, blood draw, thyroid function tests and preventive care.

Volume of procedures performed by Dr. Andrew Tzong-Yow Chen, DO for Medicare patients.

biological response modifier (BRM) therapy	211
blood draw	2563
chemotherapy	211
diabetes management	154
doctor visit	1235
hormone therapy	25
hospital care	41
inpatient care	41
lab tests	6877
minimally invasive procedures	305
preventive care	388
thyroid function tests	445
vaccines	27

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO.

**Gender**
Male	708
Female	768

**Ethnicity**
Non-Hispanic White	1393
Black	0
Hispanic	20
Asian	0
Other	43
Native American	0

**Age**
From 65 to 74	721
From 75 to 84	528
85 and over	129
Less than 65	98

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2021

Hypertension	60
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	37
Depression	28
Chronic Kidney Disease	31
Asthma	6
Osteoperosis	16
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Dementia	9
Cancer	20

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Andrew Tzong-Yow Chen, DO treated as an oncologist in Bend, OR during 2022 were lab tests, blood draw, thyroid function tests and preventive care.

Volume of procedures performed by Dr. Andrew Tzong-Yow Chen, DO for Medicare patients.

biological response modifier (BRM) therapy	253
blood draw	2486
chemotherapy	253
diabetes management	181
doctor visit	1232
hormone therapy	31
lab tests	7017
minimally invasive procedures	384
port flush	18
preventive care	457
thyroid function tests	529
vaccines	37

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO.

**Gender**
Male	702
Female	719

**Ethnicity**
Non-Hispanic White	1329
Black	0
Hispanic	22
Asian	0
Other	54
Native American	0

**Age**
From 65 to 74	666
From 75 to 84	549
85 and over	117
Less than 65	89

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2022

Hypertension	69
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	31
Depression	25
Chronic Kidney Disease	22
Asthma	11
Osteoperosis	20
Atrial Fibrilation	17
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	6
Cancer	26

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Andrew Tzong-Yow Chen, DO for Medicare patients.

The highest averages for the top procedures that Dr. Andrew Tzong-Yow Chen, DO treated as an oncologist in Bend, OR were lab tests, blood draw, minimally invasive procedures and preventive care.

aspiration	12
biological response modifier (BRM) therapy	259
blood draw	1366
bone marrow tests	22
chemotherapy	259
diabetes management	134
diagnostic procedures	22
doctor visit	955
hormone therapy	28
hospital care	31
inpatient care	31
lab tests	3752
minimally invasive procedures	349
preventive care	268
thyroid function tests	254
vaccines	28

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO.

**Gender**
Male	257
Female	268

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	490
Native American / Alaskan Native	0
Hispanic	5
Other	11

**Age**
75 to 84	183
85 and over	43
Less than 65	38
65 to 74	255

Average of Total of Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Andrew Tzong-Yow Chen, DO treated were hypertension, high cholesterol, ischemic heart disease and cancer.

Hypertension	54
High Cholesterol	48
Stroke	3
Ischemic Heart Disease	31
Depression	22
Chronic Kidney Disease	29
Asthma	7
Osteoporosis	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	22
Atrial Fibrillation	11
Dementia	6
Cancer	30

Education & Training

Dr. Andrew Tzong-Yow Chen, DO graduated from Touro University College of Osteopathic Medicine in 2002. He completed residency at Legacy Good Samaritan Medical Center, Portland. He is certified by the American Board of Hematology and has a state license in Oregon.

Medical School: Touro University College of Osteopathic Medicine (2002)

Residency: Legacy Good Samaritan Medical Center, Portland (2005)

Board Certification: American Board of Hematology

Licensed In: Oregon

Affiliations & Hospitals

Dr. Andrew Tzong-Yow Chen, DO is associated with these hospitals and organizations:

St. Charles Health System

Ratings & Reviews

Dr. Andrew Tzong-Yow Chen, DO has an exceptional overall rating with an average of 5.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Andrew Tzong-Yow Chen, DO from all over the web to help you find the right in Bend, OR.

Overall Rating

(1 Rating)

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Reviews Left On DocSpot

Overall Rating: 5.0 2024-08-29

Dr. Chen is a terrific doctor. His care and attention to detail is fantastic. He was open and included suggestions from my consulting oncologist at OHSU - no ego attitude.

General Payments

These charts describe general payments received by Dr. Andrew Tzong-Yow Chen, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
F. Hoffmann-La Roche AG	$8,753 Non-Covered Product $5,763	NonCovered Product $2,990
Millennium Pharmaceuticals, Inc.	$140 VELCADE $71	$69
Genentech USA, Inc.	$122 Columvi $122
Seattle Genetics, Inc.	$116 ADCETRIS $116
E.R. Squibb & Sons, L.L.C.	$112 ERBITUX $81	SPRYCEL $19	OPDIVO $12
Other	$493 AYVAKIT $93	SIR-Spheres microspheres $76	NINLARO $75	IMBRUVICA $66	DARZALEX $42	Other $141

**Types of Payments**
Consulting Fee	$7,371
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$1,383
Food and Beverage	$875
Education	$108

Research Payments

Dr. Andrew Tzong-Yow Chen, DO has received 45 research payments totaling $79,623.

Biography

Dr. Andrew Chen specializes in adult hematology and adult oncology and practices in Bend, OR. Dr. Chen is especially interested in cancer. After completing medical school at Touro University College of Osteopathic Medicine, he performed his residency at Legacy Good Samaritan Medical Center, Portland. He is professionally affiliated with St. Charles Health System.

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Dr. Andrew Tzong-Yow Chen, DO

Office Locations

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. Andrew Tzong-Yow Chen, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Tzong-Yow Chen, DO 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. Andrew Tzong-Yow Chen, DO From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

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