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Dr. An Yen, MD

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Specializes in: MOHS-Micrographic Surgery

Xuzhou Medical College

1010 Nut Tree Road Suite 150
Vacaville, CA 95687

(916) 925-6950

Dr. An Yen, MD is a mohs skin cancer surgeon in Vacaville, CA specializing in mohs-micrographic surgery. He graduated from Xuzhou Medical College. Dr. An Yen, MD is affiliated with Dignity Health, Hill Physicians and PACIFIC SKIN INSTITUTE.

Office Locations

Hill Physicians

1010 Nut Tree Road Suite 150
Vacaville, CA 95687

(916) 925-7020

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Dignity Health

1495 'river Park Drive Suite 200
Sacramento, CA 95815

(916) 925-7020

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550 Plaza Drive Suite 120
Folsom, CA 95630

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6544 Lonetree Boulevard
Rocklin, CA 95765

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9291 Laguna Springs Drive Suite 120
Elk Grove, CA 95758

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Noteworthy Medicare Patient Procedures Performed by Dr. An Yen, MD in 2023

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

Top 5%

By Volume:

laser treatment

phototherapy

ultraviolet B phototherapy

In 2023, Dr. An Yen, MD performed more laser treatment, phototherapy (light therapy), and ultraviolet B (UVB) phototherapy procedures for Medicare patients than 95% of providers in related specialties within California.

Top 25%

By Volume:

By Affordability:

laser phototherapy

laser treatment for psoriasis

In 2012, among providers in related specialties within California, Dr. An Yen, MD performed more cancer surgery, removal of lesion (e.g. growth), skin procedures, and skin surgery procedures for Medicare patients than 75% of them and he also had a list price for laser phototherapy, and laser treatment for psoriasis 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. An Yen, MD treated as a mohs skin cancer surgeon in Vacaville, CA during 2012 were phototherapy (light therapy), skin procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. An Yen, MD for Medicare patients.

cancer surgery	70
diagnostic procedures	152
doctor visit	850
phototherapy (light therapy)	617
removal of lesion (e.g. growth)	231
skin procedures	249
skin surgery	70

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. An Yen, MD treated as a mohs skin cancer surgeon in Vacaville, CA during 2013 were phototherapy (light therapy), removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. An Yen, MD for Medicare patients.

cancer surgery	50
diagnostic procedures	153
doctor visit	904
phototherapy (light therapy)	525
removal of lesion (e.g. growth)	234
skin procedures	234
skin surgery	50

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. An Yen, MD.

**Gender**
Male	298
Female	264

**Ethnicity**
Non-Hispanic White	404
Black	28
Hispanic	40
Asian	74
Other	0
Native American	0

**Age**
From 65 to 74	285
From 75 to 84	127
85 and over	52
Less than 65	98

Conditions of Medicare patients treated by Dr. An Yen, MD in 2013

Hypertension	57
High Cholesterol	51
Stroke	4
Ischemic Heart Disease	28
Depression	14
Chronic Kidney Disease	16
Asthma	6
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	27
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. An Yen, MD treated as a mohs skin cancer surgeon in Vacaville, CA during 2014 were phototherapy (light therapy), removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. An Yen, MD for Medicare patients.

cancer surgery	92
diagnostic procedures	165
doctor visit	960
phototherapy (light therapy)	580
removal of lesion (e.g. growth)	264
skin procedures	264
skin surgery	92

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. An Yen, MD.

**Gender**
Male	305
Female	256

**Ethnicity**
Non-Hispanic White	394
Black	33
Hispanic	37
Asian	78
Other	0
Native American	0

**Age**
From 65 to 74	261
From 75 to 84	146
85 and over	51
Less than 65	103

Conditions of Medicare patients treated by Dr. An Yen, MD in 2014

Hypertension	60
High Cholesterol	51
Stroke	3
Ischemic Heart Disease	27
Depression	17
Chronic Kidney Disease	15
Asthma	6
Osteoperosis	5
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. An Yen, MD treated as a mohs skin cancer surgeon in Vacaville, CA during 2015 were phototherapy (light therapy), removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. An Yen, MD for Medicare patients.

cancer surgery	73
diagnostic procedures	200
doctor visit	1039
phototherapy (light therapy)	463
removal of lesion (e.g. growth)	265
skin procedures	265
skin surgery	73

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. An Yen, MD.

**Gender**
Male	668
Female	596

**Ethnicity**
Non-Hispanic White	880
Black	84
Hispanic	88
Asian	162
Other	0
Native American	0

**Age**
From 65 to 74	600
From 75 to 84	302
85 and over	130
Less than 65	232

Conditions of Medicare patients treated by Dr. An Yen, MD in 2015

Hypertension	57
High Cholesterol	49
Stroke	3
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	19
Asthma	8
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	28
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. An Yen, MD treated as a mohs skin cancer surgeon in Vacaville, CA during 2016 were removal of lesion (e.g. growth), skin procedures, phototherapy (light therapy) and diagnostic procedures.

Volume of procedures performed by Dr. An Yen, MD for Medicare patients.

cancer surgery	92
diagnostic procedures	197
doctor visit	1161
phototherapy (light therapy)	342
removal of lesion (e.g. growth)	355
skin procedures	355
skin surgery	92

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. An Yen, MD.

**Gender**
Male	363
Female	293

**Ethnicity**
Non-Hispanic White	464
Black	37
Hispanic	50
Asian	80
Other	0
Native American	0

**Age**
From 65 to 74	288
From 75 to 84	158
85 and over	67
Less than 65	143

Conditions of Medicare patients treated by Dr. An Yen, MD in 2016

Hypertension	58
High Cholesterol	46
Stroke	2
Ischemic Heart Disease	27
Depression	20
Chronic Kidney Disease	23
Asthma	13
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	28
Dementia	7
Cancer	6

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. An Yen, MD treated as a mohs skin cancer surgeon in Vacaville, CA during 2017 were phototherapy (light therapy), removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. An Yen, MD for Medicare patients.

cancer surgery	77
diagnostic procedures	164
doctor visit	988
minor procedures	11
phototherapy (light therapy)	654
removal of lesion (e.g. growth)	305
skin procedures	305
skin surgery	77
wound repair (e.g. stitches)	11

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. An Yen, MD.

**Gender**
Male	312
Female	253

**Ethnicity**
Non-Hispanic White	410
Black	27
Hispanic	53
Asian	49
Other	0
Native American	0

**Age**
From 65 to 74	264
From 75 to 84	132
85 and over	45
Less than 65	124

Conditions of Medicare patients treated by Dr. An Yen, MD in 2017

Hypertension	55
High Cholesterol	44
Stroke	2
Ischemic Heart Disease	25
Depression	16
Chronic Kidney Disease	25
Asthma	8
Osteoperosis	5
Atrial Fibrilation	6
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	32
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. An Yen, MD treated as a mohs skin cancer surgeon in Vacaville, CA during 2018 were phototherapy (light therapy), removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. An Yen, MD for Medicare patients.

cancer surgery	108
diagnostic procedures	217
doctor visit	1494
injections	59
minor procedures	11
phototherapy (light therapy)	1546
plastic surgery procedures	14
reconstructive surgery	14
removal of lesion (e.g. growth)	557
skin procedures	557
skin surgery	108
tissue transfer	14
wound repair (e.g. stitches)	25

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. An Yen, MD.

**Gender**
Male	401
Female	386

**Ethnicity**
Non-Hispanic White	545
Black	46
Hispanic	84
Asian	71
Other	0
Native American	0

**Age**
From 65 to 74	360
From 75 to 84	174
85 and over	50
Less than 65	203

Conditions of Medicare patients treated by Dr. An Yen, MD in 2018

Hypertension	60
High Cholesterol	47
Stroke	2
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	27
Asthma	6
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	31
Dementia	4
Cancer	7

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. An Yen, MD treated as a mohs skin cancer surgeon in Vacaville, CA during 2019 were phototherapy (light therapy), skin procedures, removal of lesion (e.g. growth) and skin surgery.

Volume of procedures performed by Dr. An Yen, MD for Medicare patients.

cancer surgery	253
doctor visit	1624
injections	66
laser treatment	158
phototherapy (light therapy)	1287
plastic surgery procedures	12
reconstructive surgery	12
removal of lesion (e.g. growth)	660
skin procedures	818
skin surgery	253
tissue transfer	12
wound repair (e.g. stitches)	12

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. An Yen, MD.

**Gender**
Male	442
Female	440

**Ethnicity**
Non-Hispanic White	611
Black	52
Hispanic	103
Asian	80
Other	0
Native American	0

**Age**
From 65 to 74	404
From 75 to 84	207
85 and over	74
Less than 65	197

Conditions of Medicare patients treated by Dr. An Yen, MD in 2019

Hypertension	62
High Cholesterol	50
Stroke	4
Ischemic Heart Disease	28
Depression	22
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	7
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	31
Dementia	6
Cancer	6

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. An Yen, MD treated as a mohs skin cancer surgeon in Vacaville, CA during 2020 were phototherapy (light therapy), removal of lesion (e.g. growth), skin procedures and skin surgery.

Volume of procedures performed by Dr. An Yen, MD for Medicare patients.

cancer surgery	249
doctor visit	201
phototherapy (light therapy)	679
removal of lesion (e.g. growth)	262
skin procedures	262
skin surgery	249

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. An Yen, MD.

**Gender**
Male	188
Female	144

**Ethnicity**
Non-Hispanic White	235
Black	16
Hispanic	39
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	95
85 and over	28
Less than 65	57

Conditions of Medicare patients treated by Dr. An Yen, MD in 2020

Hypertension	55
High Cholesterol	45
Stroke	5
Ischemic Heart Disease	24
Depression	17
Chronic Kidney Disease	28
Asthma	7
Osteoperosis	5
Atrial Fibrilation	7
Heart Failure	14
Chronic Obstructive Pulmonary Disease	8
Diabetes	29
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. An Yen, MD treated as a mohs skin cancer surgeon in Vacaville, CA during 2021 were phototherapy (light therapy), skin procedures, removal of lesion (e.g. growth) and skin surgery.

Volume of procedures performed by Dr. An Yen, MD for Medicare patients.

cancer surgery	411
doctor visit	541
injections	25
laser treatment	117
minor procedures	18
phototherapy (light therapy)	915
plastic surgery procedures	21
reconstructive surgery	21
removal of lesion (e.g. growth)	576
skin procedures	693
skin surgery	411
tissue transfer	21
wound repair (e.g. stitches)	39

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. An Yen, MD.

**Gender**
Male	300
Female	301

**Ethnicity**
Non-Hispanic White	436
Black	0
Hispanic	50
Asian	57
Other	28
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	150
85 and over	42
Less than 65	114

Conditions of Medicare patients treated by Dr. An Yen, MD in 2021

Hypertension	57
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	24
Depression	21
Chronic Kidney Disease	26
Asthma	6
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	29
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. An Yen, MD treated as a mohs skin cancer surgeon in Vacaville, CA during 2022 were phototherapy (light therapy), skin procedures, removal of lesion (e.g. growth) and skin surgery.

Volume of procedures performed by Dr. An Yen, MD for Medicare patients.

cancer surgery	471
doctor visit	787
injections	48
laser treatment	103
phototherapy (light therapy)	1069
plastic surgery procedures	26
reconstructive surgery	26
removal of lesion (e.g. growth)	853
skin procedures	956
skin surgery	471
tissue transfer	26
wound repair (e.g. stitches)	26

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. An Yen, MD.

**Gender**
Male	343
Female	386

**Ethnicity**
Non-Hispanic White	552
Black	0
Hispanic	47
Asian	56
Other	40
Native American	0

**Age**
From 65 to 74	376
From 75 to 84	194
85 and over	67
Less than 65	92

Conditions of Medicare patients treated by Dr. An Yen, MD in 2022

Hypertension	65
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	19
Depression	17
Chronic Kidney Disease	19
Asthma	10
Osteoperosis	12
Atrial Fibrilation	11
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	4
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. An Yen, MD for Medicare patients.

The highest averages for the top procedures that Dr. An Yen, MD treated as a mohs skin cancer surgeon in Vacaville, CA were phototherapy (light therapy), skin procedures, removal of lesion (e.g. growth) and diagnostic procedures.

cancer surgery	176
diagnostic procedures	178
doctor visit	959
injections	49
laser treatment	126
minor procedures	13
phototherapy (light therapy)	788
plastic surgery procedures	18
reconstructive surgery	18
removal of lesion (e.g. growth)	414
skin procedures	450
skin surgery	176
tissue transfer	18
wound repair (e.g. stitches)	22

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. An Yen, MD.

**Gender**
Male	329
Female	301

**Ethnicity**
Black / African American	29
Asian / Pacific Islander	67
Non-Hispanic White	448
Hispanic	53
Native American / Alaskan Native	0
Other	6

**Age**
75 to 84	153
85 and over	55
Less than 65	123
65 to 74	298

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

The highest averages of the most common conditions of Medicare patients that Dr. An Yen, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	53
High Cholesterol	45
Stroke	3
Ischemic Heart Disease	22
Depression	16
Chronic Kidney Disease	20
Asthma	7
Osteoporosis	5
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	26
Atrial Fibrillation	6
Cancer	7
Dementia	5

Education & Training

Dr. An Yen, MD graduated from Xuzhou Medical College. He completed residency at University of California, San Diego (UCSD) Affiliated Hospitals. He is certified by the Dermatology and has a state license in California.

Medical School: Xuzhou Medical College

Residency: University of California, San Diego (UCSD) Affiliated Hospitals

Board Certification: Dermatology

Licensed In: California

Affiliations & Hospitals

Dr. An Yen, MD is associated with these hospitals and organizations:

Dignity Health

Hill Physicians

PACIFIC SKIN INSTITUTE

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. An Yen, MD appears to accept the following insurance providers: Cigna, Aetna, Blue Shield of California, Molina Healthcare, UnitedHealthcare, SCAN Health Plan, Anthem, Health Net, Hill Physicians Care Solutions, Western Health Advantage (WHA), Central Health Plan and Canopy Health.

Insurance Accepted by Provider includes:

According to our sources, Dr. An Yen, MD accepts the following insurance providers:

Cigna

Aetna

Blue Shield of California

Molina Healthcare

UnitedHealthcare

SCAN Health Plan

Anthem

Health Net

Hill Physicians Care Solutions

Western Health Advantage (WHA)

Central Health Plan

Canopy Health

Ratings & Reviews

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General Payments

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

**Payments by Company**
Amgen Inc.	$593 Enbrel $546	Otezla $47
Celgene Corporation	$424 Otezla $424
LEO Pharma Inc.	$353 ENSTILAR $333	ADBRY $20
AbbVie, Inc.	$326 Humira $318	Skyrizi $7
Janssen Biotech, Inc.	$219 STELARA $130	Tremfya $89
Other	$1,479 Erivedge $201	DUPIXENT $141	GUSELKUMAB $103	Tremfya $101	ELIDEL $99	Other $834

**Types of Payments**
Food and Beverage	$3,381
Education	$12

Biography

Dr. An Yen specializes in MOHS-micrographic surgery. Blue Shield, Health Net, and Anthem are among the insurance carriers that Dr. Yen honors. Before performing his residency at a hospital affiliated with the University of California, San Diego (UCSD), Dr. Yen attended Xuzhou Medical College for medical school. Dr. Yen is conversant in Mandarin. His hospital/clinic affiliations include Dignity Health and Hill Physicians. He has an open panel in Folsom, CA according to Hill Physicians.

Select Year:

Dr. An Yen, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. An Yen, MD in 2023

By Volume:

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. An Yen, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. An Yen, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. An Yen, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. An Yen, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. An Yen, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. An Yen, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. An Yen, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. An Yen, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. An Yen, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. An Yen, 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. An Yen, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Biography

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