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Dr. Chao Annie Yuan, MD

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Specializes in: Emergency Medicine

250 Bon Air Road
Greenbrae, CA 94904

(415) 925-7203

Dr. Chao Annie Yuan, MD is an emergency medicine doctor in Greenbrae, CA specializing in emergency medicine. Dr. Chao Annie Yuan, MD is affiliated with Marin General Hospital.

Office Locations

Marin General Hospital

250 Bon Air Road
Greenbrae, CA 94904

(415) 925-7203

(415) 925-7219

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Noteworthy Medicare Patient Procedures Performed by Dr. Chao Annie Yuan, MD in 2023

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

Top 10%

By Volume:

emergency room care

In 2023, Dr. Chao Annie Yuan, MD performed more emergency room (ER) care procedures for Medicare patients than 90% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Chao Annie Yuan, MD treated as an emergency medicine doctor in Greenbrae, CA during 2012 were emergency care.

Volume of procedures performed by Dr. Chao Annie Yuan, MD for Medicare patients.

emergency care	391

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Chao Annie Yuan, MD treated as an emergency medicine doctor in Greenbrae, CA during 2013 were emergency care.

Volume of procedures performed by Dr. Chao Annie Yuan, MD for Medicare patients.

emergency care	137

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Chao Annie Yuan, MD.

**Gender**
Male	80
Female	57

**Ethnicity**
Non-Hispanic White	73
Black	24
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	34
From 75 to 84	29
85 and over	12
Less than 65	62

Conditions of Medicare patients treated by Dr. Chao Annie Yuan, MD in 2013

Hypertension	71
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	45
Depression	42
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	0
Atrial Fibrilation	17
Heart Failure	36
Chronic Obstructive Pulmonary Disease	27
Diabetes	42
Dementia	17
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Chao Annie Yuan, MD treated as an emergency medicine doctor in Greenbrae, CA during 2014 were emergency care.

Volume of procedures performed by Dr. Chao Annie Yuan, MD for Medicare patients.

doctor visit	57
emergency care	306

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Chao Annie Yuan, MD.

**Gender**
Male	195
Female	199

**Ethnicity**
Non-Hispanic White	141
Black	25
Hispanic	136
Asian	72
Other	0
Native American	0

**Age**
From 65 to 74	112
From 75 to 84	71
85 and over	43
Less than 65	168

Conditions of Medicare patients treated by Dr. Chao Annie Yuan, MD in 2014

Hypertension	70
High Cholesterol	44
Stroke	10
Ischemic Heart Disease	32
Depression	31
Chronic Kidney Disease	34
Asthma	13
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	43
Dementia	13
Cancer	6

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Chao Annie Yuan, MD treated as an emergency medicine doctor in Greenbrae, CA during 2015 were emergency care.

Volume of procedures performed by Dr. Chao Annie Yuan, MD for Medicare patients.

doctor visit	40
emergency care	252

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Chao Annie Yuan, MD.

**Gender**
Male	320
Female	290

**Ethnicity**
Non-Hispanic White	226
Black	0
Hispanic	180
Asian	134
Other	0
Native American	0

**Age**
From 65 to 74	216
From 75 to 84	108
85 and over	34
Less than 65	252

Conditions of Medicare patients treated by Dr. Chao Annie Yuan, MD in 2015

Hypertension	66
High Cholesterol	47
Stroke	7
Ischemic Heart Disease	31
Depression	33
Chronic Kidney Disease	35
Asthma	17
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	25
Chronic Obstructive Pulmonary Disease	17
Diabetes	41
Dementia	13
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Chao Annie Yuan, MD treated as an emergency medicine doctor in Greenbrae, CA during 2016 were emergency care.

Volume of procedures performed by Dr. Chao Annie Yuan, MD for Medicare patients.

doctor visit	34
emergency care	385

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Chao Annie Yuan, MD.

**Gender**
Male	217
Female	200

**Ethnicity**
Non-Hispanic White	152
Black	29
Hispanic	136
Asian	83
Other	0
Native American	0

**Age**
From 65 to 74	165
From 75 to 84	70
85 and over	35
Less than 65	147

Conditions of Medicare patients treated by Dr. Chao Annie Yuan, MD in 2016

Hypertension	69
High Cholesterol	46
Stroke	7
Ischemic Heart Disease	33
Depression	35
Chronic Kidney Disease	42
Asthma	23
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	28
Chronic Obstructive Pulmonary Disease	18
Diabetes	43
Dementia	17
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Chao Annie Yuan, MD treated as an emergency medicine doctor in Greenbrae, CA during 2017 were emergency care, X-rays and thoracic (chest) imaging.

Volume of procedures performed by Dr. Chao Annie Yuan, MD for Medicare patients.

emergency care	377
thoracic (chest) imaging	72
X-rays	72

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Chao Annie Yuan, MD.

**Gender**
Male	180
Female	225

**Ethnicity**
Non-Hispanic White	282
Black	0
Hispanic	49
Asian	50
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	112
85 and over	103
Less than 65	69

Conditions of Medicare patients treated by Dr. Chao Annie Yuan, MD in 2017

Hypertension	75
High Cholesterol	57
Stroke	16
Ischemic Heart Disease	42
Depression	36
Chronic Kidney Disease	43
Asthma	13
Osteoperosis	12
Atrial Fibrilation	21
Heart Failure	31
Chronic Obstructive Pulmonary Disease	18
Diabetes	35
Dementia	30
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Chao Annie Yuan, MD treated as an emergency medicine doctor in Greenbrae, CA during 2018 were emergency care.

Volume of procedures performed by Dr. Chao Annie Yuan, MD for Medicare patients.

emergency care	467

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Chao Annie Yuan, MD.

**Gender**
Male	224
Female	275

**Ethnicity**
Non-Hispanic White	407
Black	13
Hispanic	36
Asian	27
Other	0
Native American	0

**Age**
From 65 to 74	157
From 75 to 84	154
85 and over	141
Less than 65	47

Conditions of Medicare patients treated by Dr. Chao Annie Yuan, MD in 2018

Hypertension	75
High Cholesterol	64
Stroke	17
Ischemic Heart Disease	46
Depression	31
Chronic Kidney Disease	42
Asthma	11
Osteoperosis	12
Atrial Fibrilation	26
Heart Failure	34
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Dementia	26
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Chao Annie Yuan, MD treated as an emergency medicine doctor in Greenbrae, CA during 2019 were emergency care.

Volume of procedures performed by Dr. Chao Annie Yuan, MD for Medicare patients.

emergency care	625

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Chao Annie Yuan, MD.

**Gender**
Male	293
Female	354

**Ethnicity**
Non-Hispanic White	531
Black	0
Hispanic	43
Asian	35
Other	20
Native American	0

**Age**
From 65 to 74	186
From 75 to 84	217
85 and over	173
Less than 65	71

Conditions of Medicare patients treated by Dr. Chao Annie Yuan, MD in 2019

Hypertension	71
High Cholesterol	59
Stroke	15
Ischemic Heart Disease	44
Depression	33
Chronic Kidney Disease	40
Asthma	9
Osteoperosis	12
Atrial Fibrilation	23
Heart Failure	29
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	27
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Chao Annie Yuan, MD treated as an emergency medicine doctor in Greenbrae, CA during 2020 were emergency care.

Volume of procedures performed by Dr. Chao Annie Yuan, MD for Medicare patients.

emergency care	433

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Chao Annie Yuan, MD.

**Gender**
Male	224
Female	249

**Ethnicity**
Non-Hispanic White	405
Black	0
Hispanic	20
Asian	19
Other	15
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	160
85 and over	109
Less than 65	43

Conditions of Medicare patients treated by Dr. Chao Annie Yuan, MD in 2020

Hypertension	67
High Cholesterol	51
Stroke	14
Ischemic Heart Disease	36
Depression	32
Chronic Kidney Disease	40
Asthma	9
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	26
Chronic Obstructive Pulmonary Disease	15
Diabetes	25
Dementia	24
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Chao Annie Yuan, MD treated as an emergency medicine doctor in Greenbrae, CA during 2021 were emergency care.

Volume of procedures performed by Dr. Chao Annie Yuan, MD for Medicare patients.

emergency care	533

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Chao Annie Yuan, MD.

**Gender**
Male	251
Female	317

**Ethnicity**
Non-Hispanic White	486
Black	20
Hispanic	30
Asian	13
Other	19
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	190
85 and over	152
Less than 65	55

Conditions of Medicare patients treated by Dr. Chao Annie Yuan, MD in 2021

Hypertension	68
High Cholesterol	61
Stroke	15
Ischemic Heart Disease	40
Depression	31
Chronic Kidney Disease	37
Asthma	9
Osteoperosis	15
Atrial Fibrilation	21
Heart Failure	26
Chronic Obstructive Pulmonary Disease	14
Diabetes	23
Dementia	25
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Chao Annie Yuan, MD treated as an emergency medicine doctor in Greenbrae, CA during 2022 were emergency care.

Volume of procedures performed by Dr. Chao Annie Yuan, MD for Medicare patients.

emergency care	575

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Chao Annie Yuan, MD.

**Gender**
Male	291
Female	333

**Ethnicity**
Non-Hispanic White	532
Black	13
Hispanic	30
Asian	25
Other	24
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	243
85 and over	160
Less than 65	44

Conditions of Medicare patients treated by Dr. Chao Annie Yuan, MD in 2022

Hypertension	75
High Cholesterol	73
Stroke	24
Ischemic Heart Disease	34
Depression	30
Chronic Kidney Disease	28
Asthma	13
Osteoperosis	22
Atrial Fibrilation	30
Heart Failure	26
Chronic Obstructive Pulmonary Disease	18
Diabetes	24
Dementia	20
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Chao Annie Yuan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Chao Annie Yuan, MD treated as an emergency medicine doctor in Greenbrae, CA were emergency care, X-rays and thoracic (chest) imaging.

doctor visit	43
emergency care	407
thoracic (chest) imaging	72
X-rays	72

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Chao Annie Yuan, MD.

**Gender**
Male	206
Female	227

**Ethnicity**
Black / African American	11
Asian / Pacific Islander	41
Non-Hispanic White	294
Native American / Alaskan Native	0
Hispanic	62
Other	7

**Age**
75 to 84	123
85 and over	87
Less than 65	87
65 to 74	136

Average of Total of Conditions of Medicare patients treated by Dr. Chao Annie Yuan, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Chao Annie Yuan, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	64
High Cholesterol	49
Stroke	11
Ischemic Heart Disease	34
Depression	30
Chronic Kidney Disease	35
Asthma	11
Osteoporosis	9
Heart Failure	25
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Atrial Fibrillation	17
Cancer	11
Dementia	19

Education & Training

She has a state license in New York.

Licensed In: New York

Affiliations & Hospitals

Dr. Chao Annie Yuan, MD is associated with these hospitals and organizations:

Marin General Hospital

Ratings & Reviews

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General Payments

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