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

Home > CA Providers

Dr. Michael H. Yen, MD, PHD

Accepting New Patients

(Dr. Michael Hsi-Ming Yen, PH.D.)

(5 Ratings)

Specializes in: Medical Oncology, Adult Oncology and Adult Hematology

University of California, San Diego (UCSD), School of Medicine

1669 Dominican Way
Santa Cruz, CA 95076

(831) 475-2220

Dr. Michael H. Yen, MD, PHD is a medical oncologist in Santa Cruz, CA specializing in medical oncology, adult oncology and adult hematology. He graduated from University of California, San Diego (UCSD), School of Medicine. Dr. Michael H. Yen, MD, PHD is affiliated with Dignity Health, Dominican Hospital Santa Cruz, DHMN - Santa Cruz and CENTRAL COAST ONCOLOGY AND HEMATOLOGY.

Office Locations

1669 Dominican Way
Santa Cruz, CA 95065

(831) 475-2220

(831) 475-2221

open_in_new

DHMN - Santa Cruz

1669 Dominican Way
Santa Cruz, CA 95076

(831) 475-2220

(831) 475-2221

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Michael H. Yen, MD, PHD in 2023

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

Top 25%

By Volume:

biological response modifier therapy

intravenous chemotherapy

intravenous infusion

By Affordability:

blood tests

intravenous infusion therapy

intravenous infusion

lab tests

In 2012, among providers in related specialties within California, Dr. Michael H. Yen, MD, PHD performed more biological response modifier (BRM) therapy, intravenous (IV) chemotherapy, and intravenous (IV) infusion procedures for Medicare patients than 75% of them and he also had a list price for blood tests, intravenous infusion therapy, intravenous (IV) infusion, and lab tests that was lower than the list prices billed to Medicare by 75% of them. 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. Michael H. Yen, MD, PHD treated as a medical oncologist in Santa Cruz, CA during 2012 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Michael H. Yen, MD, PHD for Medicare patients.

biological response modifier (BRM) therapy	458
chemotherapy	458
doctor visit	1913
hospital care	285
inpatient care	285
lab tests	1355
minimally invasive procedures	496
port flush	41
preventive care	16
vaccines	16

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael H. Yen, MD, PHD treated as a medical oncologist in Santa Cruz, CA during 2013 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Michael H. Yen, MD, PHD for Medicare patients.

biological response modifier (BRM) therapy	396
chemotherapy	396
doctor visit	1514
hospital care	284
inpatient care	284
lab tests	1302
minimally invasive procedures	431
port flush	41

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael H. Yen, MD, PHD.

**Gender**
Male	177
Female	203

**Ethnicity**
Non-Hispanic White	290
Black	0
Hispanic	69
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	112
85 and over	59
Less than 65	47

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2013

Hypertension	67
High Cholesterol	48
Stroke	5
Ischemic Heart Disease	32
Depression	13
Chronic Kidney Disease	32
Asthma	9
Osteoperosis	14
Atrial Fibrilation	13
Heart Failure	24
Chronic Obstructive Pulmonary Disease	11
Diabetes	30
Dementia	5
Cancer	48

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael H. Yen, MD, PHD treated as a medical oncologist in Santa Cruz, CA during 2014 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Michael H. Yen, MD, PHD for Medicare patients.

biological response modifier (BRM) therapy	411
chemotherapy	411
doctor visit	1216
hospital care	95
inpatient care	95
lab tests	1100
minimally invasive procedures	529
preventive care	15
vaccines	15

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael H. Yen, MD, PHD.

**Gender**
Male	134
Female	166

**Ethnicity**
Non-Hispanic White	216
Black	0
Hispanic	71
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	98
85 and over	39
Less than 65	32

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2014

Hypertension	65
High Cholesterol	45
Stroke	4
Ischemic Heart Disease	32
Depression	16
Chronic Kidney Disease	32
Asthma	6
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	25
Chronic Obstructive Pulmonary Disease	10
Diabetes	28
Dementia	4
Cancer	49

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael H. Yen, MD, PHD treated as a medical oncologist in Santa Cruz, CA during 2015 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Michael H. Yen, MD, PHD for Medicare patients.

biological response modifier (BRM) therapy	271
chemotherapy	271
doctor visit	1006
hospital care	131
inpatient care	131
lab tests	842
minimally invasive procedures	309

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael H. Yen, MD, PHD.

**Gender**
Male	292
Female	340

**Ethnicity**
Non-Hispanic White	462
Black	0
Hispanic	136
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	282
From 75 to 84	186
85 and over	80
Less than 65	84

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2015

Hypertension	67
High Cholesterol	47
Stroke	6
Ischemic Heart Disease	32
Depression	20
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	23
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Dementia	7
Cancer	49

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michael H. Yen, MD, PHD treated as a medical oncologist in Santa Cruz, CA during 2016 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Michael H. Yen, MD, PHD for Medicare patients.

biological response modifier (BRM) therapy	284
blood draw	21
chemotherapy	284
doctor visit	1093
hospital care	106
inpatient care	106
lab tests	727
minimally invasive procedures	311

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael H. Yen, MD, PHD.

**Gender**
Male	125
Female	159

**Ethnicity**
Non-Hispanic White	201
Black	0
Hispanic	68
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	77
85 and over	46
Less than 65	40

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2016

Hypertension	64
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	28
Depression	21
Chronic Kidney Disease	33
Asthma	13
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	8
Cancer	51

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michael H. Yen, MD, PHD treated as a medical oncologist in Santa Cruz, CA during 2017 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Michael H. Yen, MD, PHD for Medicare patients.

biological response modifier (BRM) therapy	359
blood draw	52
chemotherapy	359
doctor visit	1008
hospital care	73
inpatient care	73
lab tests	722
minimally invasive procedures	426

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael H. Yen, MD, PHD.

**Gender**
Male	140
Female	145

**Ethnicity**
Non-Hispanic White	200
Black	0
Hispanic	63
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	80
85 and over	50
Less than 65	40

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2017

Hypertension	67
High Cholesterol	37
Stroke	6
Ischemic Heart Disease	31
Depression	21
Chronic Kidney Disease	38
Asthma	6
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	13
Cancer	45

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael H. Yen, MD, PHD treated as a medical oncologist in Santa Cruz, CA during 2018 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Michael H. Yen, MD, PHD for Medicare patients.

biological response modifier (BRM) therapy	371
blood draw	27
chemotherapy	371
doctor visit	1163
hospital care	58
inpatient care	58
lab tests	658
minimally invasive procedures	441

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael H. Yen, MD, PHD.

**Gender**
Male	189
Female	190

**Ethnicity**
Non-Hispanic White	266
Black	0
Hispanic	84
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	175
From 75 to 84	110
85 and over	56
Less than 65	38

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2018

Hypertension	66
High Cholesterol	47
Stroke	4
Ischemic Heart Disease	25
Depression	17
Chronic Kidney Disease	34
Asthma	5
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	28
Dementia	11
Cancer	37

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael H. Yen, MD, PHD treated as a medical oncologist in Santa Cruz, CA during 2019 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Michael H. Yen, MD, PHD for Medicare patients.

biological response modifier (BRM) therapy	384
blood draw	27
chemotherapy	384
doctor visit	1339
lab tests	819
minimally invasive procedures	449

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael H. Yen, MD, PHD.

**Gender**
Male	176
Female	183

**Ethnicity**
Non-Hispanic White	248
Black	0
Hispanic	86
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	98
85 and over	57
Less than 65	31

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2019

Hypertension	64
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	40
Asthma	7
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	29
Dementia	9
Cancer	38

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael H. Yen, MD, PHD treated as a medical oncologist in Santa Cruz, CA during 2020 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Michael H. Yen, MD, PHD for Medicare patients.

biological response modifier (BRM) therapy	456
blood draw	40
chemotherapy	456
doctor visit	1338
lab tests	667
minimally invasive procedures	527

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael H. Yen, MD, PHD.

**Gender**
Male	161
Female	184

**Ethnicity**
Non-Hispanic White	227
Black	0
Hispanic	95
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	160
From 75 to 84	97
85 and over	58
Less than 65	30

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2020

Hypertension	64
High Cholesterol	52
Stroke	5
Ischemic Heart Disease	28
Depression	19
Chronic Kidney Disease	40
Asthma	6
Osteoperosis	11
Atrial Fibrilation	9
Heart Failure	22
Chronic Obstructive Pulmonary Disease	8
Diabetes	35
Dementia	12
Cancer	37

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michael H. Yen, MD, PHD treated as a medical oncologist in Santa Cruz, CA during 2021 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Michael H. Yen, MD, PHD for Medicare patients.

biological response modifier (BRM) therapy	296
blood draw	98
chemotherapy	296
doctor visit	1430
lab tests	749
minimally invasive procedures	349

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael H. Yen, MD, PHD.

**Gender**
Male	156
Female	188

**Ethnicity**
Non-Hispanic White	221
Black	0
Hispanic	100
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	87
85 and over	47
Less than 65	32

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2021

Hypertension	64
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	14
Atrial Fibrilation	12
Heart Failure	24
Chronic Obstructive Pulmonary Disease	9
Diabetes	33
Dementia	9
Cancer	35

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael H. Yen, MD, PHD treated as a medical oncologist in Santa Cruz, CA during 2022 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Michael H. Yen, MD, PHD for Medicare patients.

biological response modifier (BRM) therapy	278
blood draw	93
chemotherapy	278
doctor visit	1344
lab tests	603
minimally invasive procedures	352

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael H. Yen, MD, PHD.

**Gender**
Male	164
Female	175

**Ethnicity**
Non-Hispanic White	214
Black	0
Hispanic	109
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	167
From 75 to 84	101
85 and over	37
Less than 65	34

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2022

Hypertension	71
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	20
Depression	17
Chronic Kidney Disease	21
Asthma	9
Osteoperosis	18
Atrial Fibrilation	19
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	29
Dementia	6
Cancer	39

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Michael H. Yen, MD, PHD for Medicare patients.

The highest averages for the top procedures that Dr. Michael H. Yen, MD, PHD treated as a medical oncologist in Santa Cruz, CA were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

biological response modifier (BRM) therapy	360
blood draw	51
chemotherapy	360
doctor visit	1305
hospital care	147
inpatient care	147
lab tests	867
minimally invasive procedures	420
preventive care	15
vaccines	15

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Michael H. Yen, MD, PHD.

**Gender**
Male	155
Female	175

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	4
Non-Hispanic White	231
Hispanic	80
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	95
85 and over	48
Less than 65	37
65 to 74	151

Average of Total of Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Michael H. Yen, MD, PHD treated were hypertension, high cholesterol, cancer and chronic kidney disease.

Hypertension	59
High Cholesterol	45
Stroke	3
Ischemic Heart Disease	25
Depression	16
Chronic Kidney Disease	30
Asthma	7
Osteoporosis	10
Heart Failure	19
Chronic Obstructive Pulmonary Disease	9
Diabetes	27
Atrial Fibrillation	11
Cancer	38
Dementia	7

Education & Training

Dr. Michael H. Yen, MD, PHD graduated from University of California, San Diego (UCSD), School of Medicine. He has a state license in California.

Medical School: University of California, San Diego (UCSD), School of Medicine

Licensed In: California

Affiliations & Hospitals

Dr. Michael H. Yen, MD, PHD is associated with these hospitals and organizations:

Dignity Health

Dominican Hospital Santa Cruz

DHMN - Santa Cruz

CENTRAL COAST ONCOLOGY AND HEMATOLOGY

Ratings & Reviews

Dr. Michael H. Yen, MD, PHD has a good overall rating with an average of 2.6 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Michael H. Yen, MD, PHD from all over the web to help you find the right in Santa Cruz, CA.

2.6

Overall Rating

(5 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
E.R. Squibb & Sons, L.L.C.	$1,827 OPDIVO $920	YERVOY $148	ERBITUX $144	SPRYCEL $114	EMPLICITI $63	Other $438
Pfizer Inc.	$1,619 IBRANCE $434	XALKORI $224	XTANDI $149	ELIQUIS $149	BESPONSA $134	Other $528
Genentech USA, Inc.	$1,455 TECENTRIQ $335	Avastin $260	Kadcyla $139	Gazyva $138	LUCENTIS $127	Other $456
Novartis Pharmaceuticals Corporation	$1,455 TASIGNA $254	AFINITOR $248	PROMACTA $213	TAFINLAR $120	ZYKADIA $100	Other $520
AstraZeneca Pharmaceuticals LP	$1,424 TAGRISSO $369	IMFINZI $232	LYNPARZA $221	CALQUENCE $216	Enhertu $117	Other $268
Other	$18,487 KEYTRUDA $763	XTANDI $758	FOUNDATIONFOCUS $735	IMBRUVICA $605	Lenvima $540	Other $15,087

**Types of Payments**
Food and Beverage	$24,328
Education	$806
Consulting Fee	$626
Travel and Lodging	$507

Biography

Dr. Michael Yen's areas of specialization are adult hematology, adult oncology, and medical oncology. He is professionally affiliated with Dignity Health. He attended medical school at the University of California, San Diego (UCSD), School of Medicine. Dr. Yen is rated 2.5 stars (out of 5) by his patients. According to Dignity Health, new patients are welcome to contact Dr. Yen's office in Santa Cruz, CA.

Select Year:

Dr. Michael H. Yen, MD, PHD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Michael H. Yen, MD, PHD in 2023

By Volume:

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. Michael H. Yen, MD, PHD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael H. Yen, MD, PHD 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. Michael H. Yen, MD, PHD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Santa Cruz, CA