Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > CA Providers

Dr. Thomas T. Chen, MD

Accepting New Patients

(Dr. Thomas Tai Hon Chen, MD)

(No ratings)

Specializes in: Medical Oncology, Adult Oncology and Hematology (Blood Disorders)

Stanford University School of Medicine

Professional interests include: cancer, chemotherapy, hormone therapy, and more.

2589 Samaritan Drive Room 4233
San Jose, CA 95124

(408) 426-4900

Dr. Thomas T. Chen, MD is a medical oncologist in San Jose, CA specializing in medical oncology, adult oncology and hematology (blood disorders). He graduated from Stanford University School of Medicine. Dr. Thomas T. Chen, MD is affiliated with Good Samaritan Hospital, El Camino Health and Stanford Health Care.

Office Locations

Good Samaritan Hospital

2589 Samaritan Drive Room 4233
San Jose, CA 95124

(408) 426-4900

open_in_new

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Thomas T. Chen, MD treated as a medical oncologist in San Jose, CA during 2012 were minimally invasive procedures, hospital care, inpatient care and chemotherapy.

Volume of procedures performed by Dr. Thomas T. Chen, MD for Medicare patients.

aspiration	16
biological response modifier (BRM) therapy	305
blood draw	51
bone marrow tests	32
chemotherapy	305
diagnostic procedures	32
doctor visit	1770
hospital care	396
inpatient care	396
minimally invasive procedures	440
preventive care	40
vaccines	40

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Thomas T. Chen, MD treated as a medical oncologist in San Jose, CA during 2013 were hospital care, inpatient care, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Thomas T. Chen, MD for Medicare patients.

biological response modifier (BRM) therapy	198
blood draw	74
chemotherapy	198
doctor visit	1827
hospital care	388
inpatient care	388
minimally invasive procedures	286
preventive care	43
vaccines	43

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas T. Chen, MD.

**Gender**
Male	248
Female	370

**Ethnicity**
Non-Hispanic White	441
Black	13
Hispanic	60
Asian	90
Other	14
Native American	0

**Age**
From 65 to 74	255
From 75 to 84	216
85 and over	116
Less than 65	31

Conditions of Medicare patients treated by Dr. Thomas T. Chen, MD in 2013

Hypertension	70
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	33
Depression	13
Chronic Kidney Disease	33
Asthma	6
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	21
Chronic Obstructive Pulmonary Disease	11
Diabetes	31
Dementia	9
Cancer	39

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Thomas T. Chen, MD treated as a medical oncologist in San Jose, CA during 2014 were hospital care, inpatient care, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Thomas T. Chen, MD for Medicare patients.

aspiration	22
biological response modifier (BRM) therapy	150
blood draw	55
bone marrow tests	44
chemotherapy	150
diagnostic procedures	44
doctor visit	1745
hormone therapy	59
hospital care	385
inpatient care	385
minimally invasive procedures	240
preventive care	38
vaccines	38

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas T. Chen, MD.

**Gender**
Male	240
Female	325

**Ethnicity**
Non-Hispanic White	407
Black	0
Hispanic	49
Asian	82
Other	15
Native American	0

**Age**
From 65 to 74	235
From 75 to 84	199
85 and over	100
Less than 65	31

Conditions of Medicare patients treated by Dr. Thomas T. Chen, MD in 2014

Hypertension	67
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	32
Depression	15
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	20
Chronic Obstructive Pulmonary Disease	12
Diabetes	32
Dementia	8
Cancer	39

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Thomas T. Chen, MD treated as a medical oncologist in San Jose, CA during 2015 were hospital care, inpatient care, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Thomas T. Chen, MD for Medicare patients.

biological response modifier (BRM) therapy	122
blood draw	30
chemotherapy	122
doctor visit	1728
hospital care	231
inpatient care	231
minimally invasive procedures	181

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas T. Chen, MD.

**Gender**
Male	478
Female	628

**Ethnicity**
Non-Hispanic White	826
Black	0
Hispanic	98
Asian	146
Other	0
Native American	0

**Age**
From 65 to 74	424
From 75 to 84	410
85 and over	214
Less than 65	58

Conditions of Medicare patients treated by Dr. Thomas T. Chen, MD in 2015

Hypertension	69
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	31
Depression	16
Chronic Kidney Disease	32
Asthma	9
Osteoperosis	15
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	7
Cancer	42

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Thomas T. Chen, MD treated as a medical oncologist in San Jose, CA during 2016 were hospital care, inpatient care, diagnostic procedures and bone marrow tests.

Volume of procedures performed by Dr. Thomas T. Chen, MD for Medicare patients.

aspiration	13
bone marrow tests	26
diagnostic procedures	26
doctor visit	1887
hospital care	231
inpatient care	231

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas T. Chen, MD.

**Gender**
Male	231
Female	313

**Ethnicity**
Non-Hispanic White	378
Black	0
Hispanic	56
Asian	89
Other	0
Native American	0

**Age**
From 65 to 74	200
From 75 to 84	221
85 and over	95
Less than 65	28

Conditions of Medicare patients treated by Dr. Thomas T. Chen, MD in 2016

Hypertension	70
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	33
Depression	16
Chronic Kidney Disease	33
Asthma	17
Osteoperosis	17
Atrial Fibrilation	15
Heart Failure	20
Chronic Obstructive Pulmonary Disease	14
Diabetes	31
Dementia	9
Cancer	42

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Thomas T. Chen, MD treated as a medical oncologist in San Jose, CA during 2017 were hospital care, inpatient care, diagnostic procedures and bone marrow tests.

Volume of procedures performed by Dr. Thomas T. Chen, MD for Medicare patients.

aspiration	13
bone marrow tests	27
diagnostic procedures	27
doctor visit	1646
hospital care	254
inpatient care	254

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas T. Chen, MD.

**Gender**
Male	239
Female	297

**Ethnicity**
Non-Hispanic White	373
Black	0
Hispanic	54
Asian	78
Other	0
Native American	0

**Age**
From 65 to 74	226
From 75 to 84	205
85 and over	82
Less than 65	23

Conditions of Medicare patients treated by Dr. Thomas T. Chen, MD in 2017

Hypertension	69
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	38
Depression	18
Chronic Kidney Disease	38
Asthma	10
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	22
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	9
Cancer	42

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Thomas T. Chen, MD treated as a medical oncologist in San Jose, CA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas T. Chen, MD for Medicare patients.

doctor visit	1630
hospital care	190
inpatient care	190

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas T. Chen, MD.

**Gender**
Male	227
Female	276

**Ethnicity**
Non-Hispanic White	339
Black	0
Hispanic	56
Asian	80
Other	0
Native American	0

**Age**
From 65 to 74	183
From 75 to 84	210
85 and over	77
Less than 65	33

Conditions of Medicare patients treated by Dr. Thomas T. Chen, MD in 2018

Hypertension	69
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	36
Depression	17
Chronic Kidney Disease	39
Asthma	11
Osteoperosis	15
Atrial Fibrilation	15
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	30
Dementia	8
Cancer	42

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Thomas T. Chen, MD treated as a medical oncologist in San Jose, CA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas T. Chen, MD for Medicare patients.

doctor visit	1718
hospital care	181
inpatient care	181

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas T. Chen, MD.

**Gender**
Male	230
Female	283

**Ethnicity**
Non-Hispanic White	356
Black	0
Hispanic	51
Asian	72
Other	0
Native American	0

**Age**
From 65 to 74	193
From 75 to 84	227
85 and over	69
Less than 65	24

Conditions of Medicare patients treated by Dr. Thomas T. Chen, MD in 2019

Hypertension	73
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	38
Depression	20
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	17
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	31
Dementia	10
Cancer	40

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Thomas T. Chen, MD treated as a medical oncologist in San Jose, CA during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas T. Chen, MD for Medicare patients.

doctor visit	1466
hospital care	320
inpatient care	320

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas T. Chen, MD.

**Gender**
Male	247
Female	298

**Ethnicity**
Non-Hispanic White	373
Black	0
Hispanic	57
Asian	80
Other	0
Native American	0

**Age**
From 65 to 74	193
From 75 to 84	236
85 and over	79
Less than 65	37

Conditions of Medicare patients treated by Dr. Thomas T. Chen, MD in 2020

Hypertension	70
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	40
Depression	19
Chronic Kidney Disease	42
Asthma	10
Osteoperosis	16
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	12
Cancer	40

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Thomas T. Chen, MD treated as a medical oncologist in San Jose, CA during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas T. Chen, MD for Medicare patients.

doctor visit	1562
hospital care	326
inpatient care	326

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas T. Chen, MD.

**Gender**
Male	273
Female	333

**Ethnicity**
Non-Hispanic White	406
Black	16
Hispanic	52
Asian	100
Other	32
Native American	0

**Age**
From 65 to 74	204
From 75 to 84	263
85 and over	103
Less than 65	36

Conditions of Medicare patients treated by Dr. Thomas T. Chen, MD in 2021

Hypertension	71
High Cholesterol	63
Stroke	10
Ischemic Heart Disease	39
Depression	23
Chronic Kidney Disease	43
Asthma	9
Osteoperosis	19
Atrial Fibrilation	14
Heart Failure	23
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	15
Cancer	41

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Thomas T. Chen, MD treated as a medical oncologist in San Jose, CA during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas T. Chen, MD for Medicare patients.

doctor visit	1628
hospital care	366
inpatient care	366

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas T. Chen, MD.

**Gender**
Male	311
Female	320

**Ethnicity**
Non-Hispanic White	426
Black	0
Hispanic	55
Asian	111
Other	0
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	274
85 and over	122
Less than 65	36

Conditions of Medicare patients treated by Dr. Thomas T. Chen, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	33
Depression	21
Chronic Kidney Disease	30
Asthma	12
Osteoperosis	22
Atrial Fibrilation	27
Heart Failure	23
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	10
Cancer	43

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Thomas T. Chen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Thomas T. Chen, MD treated as a medical oncologist in San Jose, CA were hospital care, inpatient care, minimally invasive procedures and chemotherapy.

aspiration	16
biological response modifier (BRM) therapy	193
blood draw	52
bone marrow tests	32
chemotherapy	193
diagnostic procedures	32
doctor visit	1691
hormone therapy	59
hospital care	297
inpatient care	297
minimally invasive procedures	286
preventive care	40
vaccines	40

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Thomas T. Chen, MD.

**Gender**
Male	247
Female	313

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	84
Non-Hispanic White	393
Native American / Alaskan Native	0
Hispanic	53
Other	5

**Age**
75 to 84	223
85 and over	96
Less than 65	30
65 to 74	210

Average of Total of Conditions of Medicare patients treated by Dr. Thomas T. Chen, MD From 2012 - 2022

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

Hypertension	63
High Cholesterol	55
Stroke	7
Ischemic Heart Disease	32
Depression	16
Chronic Kidney Disease	33
Asthma	9
Osteoporosis	14
Heart Failure	19
Chronic Obstructive Pulmonary Disease	11
Diabetes	27
Atrial Fibrillation	14
Dementia	8
Cancer	37

Education & Training

Dr. Thomas T. Chen, MD graduated from Stanford University School of Medicine. He completed residency at University of California, San Francisco (UCSF) Affiliated Hospitals. He is certified by the American Board of Internal Medicine, Medical Oncology American Board of Internal Medicine, Internal Medicine and has a state license in California.

Medical School: Stanford University School of Medicine

Residency: University of California, San Francisco (UCSF) Affiliated Hospitals

Board Certification: American Board of Internal Medicine, Medical Oncology American Board of Internal Medicine, Internal Medicine

Licensed In: California

Affiliations & Hospitals

Dr. Thomas T. Chen, MD is associated with these hospitals and organizations:

Good Samaritan Hospital

El Camino Health

Stanford Health Care

Ratings & Reviews

Dr. Thomas T. Chen, MD does not have any reviews yet, be the first to leave a review of Dr. Thomas T. Chen, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Pfizer Inc.	$516 XALKORI $322	IBRANCE $135	BOSULIF $51	INLYTA $8
E.R. Squibb & Sons, L.L.C.	$200 ERBITUX $100	YERVOY $100
Genentech USA, Inc.	$22 TARCEVA $22
GlaxoSmithKline, LLC.	$19 OJJAARA $19
Ipsen Biopharmaceuticals, Inc	$16 Somatuline Depot 120mg-.5ml $16
Other	$38 Beleodaq $14	Abraxane $14	Osphena $11

**Types of Payments**
Education	$530
Consulting Fee	$200
Food and Beverage	$83

Research Payments

Dr. Thomas T. Chen, MD has received 43 research payments totaling $197,091.

Biography

Dr. Thomas Chen works as an adult oncology, medical oncology, and hematology (blood disorders). Dr. Chen's areas of expertise include esophageal cancer, bladder cancer, and chronic myeloid leukemia (CML). After attending Stanford University School of Medicine, he completed his residency training at a hospital affiliated with the University of California, San Francisco (UCSF). In addition to English, he speaks Mandarin. His hospital/clinic affiliations include Good Samaritan Hospital, El Camino Health, and Stanford Health Care. El Camino Health reports that he is accepting new patients at his office in San Jose, CA.