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Dr. Ray Zhao, DO

(No ratings)

Specializes in: Emergency Medicine

Professional interests include: emergency care

1350 W Covina Boulevard
San Dimas, CA 91773

(626) 872-3457

Dr. Ray Zhao, DO is an emergency medicine doctor in San Dimas, CA specializing in emergency medicine. Dr. Ray Zhao, DO is affiliated with Southern California Permanente Medical Group (SCPMG) and COUNTY OF LOS ANGELES.

Office Locations

1350 W Covina Boulevard
San Dimas, CA 91773

(626) 872-3457

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Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ray Zhao, DO treated as an emergency medicine doctor in San Dimas, CA during 2013 were emergency care, X-rays and thoracic (chest) imaging.

Volume of procedures performed by Dr. Ray Zhao, DO for Medicare patients.

emergency care	238
thoracic (chest) imaging	48
X-rays	48

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ray Zhao, DO.

**Gender**
Male	100
Female	138

**Ethnicity**
Non-Hispanic White	111
Black	0
Hispanic	75
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	60
85 and over	51
Less than 65	68

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2013

The most common conditions of Medicare patients that Dr. Ray Zhao, DO treated during 2013 were hypertension, ischemic heart disease, diabetes and high cholesterol.

Hypertension	75
High Cholesterol	52
Stroke	16
Ischemic Heart Disease	61
Depression	43
Chronic Kidney Disease	48
Asthma	11
Osteoperosis	18
Atrial Fibrilation	11
Heart Failure	46
Chronic Obstructive Pulmonary Disease	39
Diabetes	58
Dementia	38
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ray Zhao, DO treated as an emergency medicine doctor in San Dimas, CA during 2014 were emergency care, X-rays and thoracic (chest) imaging.

Volume of procedures performed by Dr. Ray Zhao, DO for Medicare patients.

emergency care	245
thoracic (chest) imaging	36
X-rays	36

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ray Zhao, DO.

**Gender**
Male	90
Female	157

**Ethnicity**
Non-Hispanic White	117
Black	0
Hispanic	68
Asian	41
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	66
85 and over	63
Less than 65	59

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2014

The most common conditions of Medicare patients that Dr. Ray Zhao, DO treated during 2014 were hypertension, ischemic heart disease, high cholesterol and diabetes.

Hypertension	75
High Cholesterol	54
Stroke	19
Ischemic Heart Disease	59
Depression	43
Chronic Kidney Disease	45
Asthma	17
Osteoperosis	23
Atrial Fibrilation	13
Heart Failure	43
Chronic Obstructive Pulmonary Disease	44
Diabetes	48
Dementia	46
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ray Zhao, DO treated as an emergency medicine doctor in San Dimas, CA during 2015 were emergency care, X-rays and thoracic (chest) imaging.

Volume of procedures performed by Dr. Ray Zhao, DO for Medicare patients.

emergency care	166
thoracic (chest) imaging	25
X-rays	25

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ray Zhao, DO.

**Gender**
Male	150
Female	210

**Ethnicity**
Non-Hispanic White	172
Black	0
Hispanic	128
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	94
85 and over	92
Less than 65	94

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2015

The most common conditions of Medicare patients that Dr. Ray Zhao, DO treated during 2015 were hypertension, ischemic heart disease, high cholesterol and chronic kidney disease.

Hypertension	75
High Cholesterol	55
Stroke	22
Ischemic Heart Disease	60
Depression	42
Chronic Kidney Disease	48
Asthma	32
Osteoperosis	18
Atrial Fibrilation	17
Heart Failure	43
Chronic Obstructive Pulmonary Disease	38
Diabetes	46
Dementia	38
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ray Zhao, DO treated as an emergency medicine doctor in San Dimas, CA during 2016 were emergency care, X-rays and thoracic (chest) imaging.

Volume of procedures performed by Dr. Ray Zhao, DO for Medicare patients.

doctor visit	23
emergency care	156
thoracic (chest) imaging	12
X-rays	12

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ray Zhao, DO.

**Gender**
Male	74
Female	110

**Ethnicity**
Non-Hispanic White	83
Black	22
Hispanic	61
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	49
From 75 to 84	47
85 and over	38
Less than 65	50

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2016

The most common conditions of Medicare patients that Dr. Ray Zhao, DO treated during 2016 were hypertension, diabetes, high cholesterol and chronic kidney disease.

Hypertension	75
High Cholesterol	55
Stroke	19
Ischemic Heart Disease	48
Depression	43
Chronic Kidney Disease	54
Asthma	40
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	41
Chronic Obstructive Pulmonary Disease	39
Diabetes	60
Dementia	40
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ray Zhao, DO treated as an emergency medicine doctor in San Dimas, CA during 2017 were emergency care and blood draw.

Volume of procedures performed by Dr. Ray Zhao, DO for Medicare patients.

blood draw	11
doctor visit	32
emergency care	102

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ray Zhao, DO.

**Gender**
Male	61
Female	81

**Ethnicity**
Non-Hispanic White	51
Black	33
Hispanic	43
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	41
From 75 to 84	36
85 and over	21
Less than 65	44

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2017

The most common conditions of Medicare patients that Dr. Ray Zhao, DO treated during 2017 were hypertension, diabetes, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	44
Stroke	11
Ischemic Heart Disease	45
Depression	36
Chronic Kidney Disease	51
Asthma	13
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	34
Chronic Obstructive Pulmonary Disease	34
Diabetes	52
Dementia	28
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ray Zhao, DO treated as an emergency medicine doctor in San Dimas, CA during 2018 were emergency care.

Volume of procedures performed by Dr. Ray Zhao, DO for Medicare patients.

doctor visit	43
emergency care	56

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ray Zhao, DO.

**Gender**
Male	46
Female	57

**Ethnicity**
Non-Hispanic White	28
Black	43
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	51
From 75 to 84	0
85 and over	0
Less than 65	30

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2018

The most common conditions of Medicare patients that Dr. Ray Zhao, DO treated during 2018 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	65
High Cholesterol	50
Stroke	13
Ischemic Heart Disease	36
Depression	32
Chronic Kidney Disease	42
Asthma	12
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	30
Chronic Obstructive Pulmonary Disease	29
Diabetes	39
Dementia	17
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ray Zhao, DO treated as an emergency medicine doctor in San Dimas, CA during 2019 were emergency care and blood draw.

Volume of procedures performed by Dr. Ray Zhao, DO for Medicare patients.

blood draw	14
doctor visit	40
emergency care	48

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ray Zhao, DO.

**Gender**
Male	39
Female	66

**Ethnicity**
Non-Hispanic White	0
Black	29
Hispanic	45
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	41
From 75 to 84	0
85 and over	0
Less than 65	37

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2019

The most common conditions of Medicare patients that Dr. Ray Zhao, DO treated during 2019 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	52
Stroke	13
Ischemic Heart Disease	41
Depression	39
Chronic Kidney Disease	43
Asthma	0
Osteoperosis	16
Atrial Fibrilation	0
Heart Failure	34
Chronic Obstructive Pulmonary Disease	30
Diabetes	0
Dementia	29
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ray Zhao, DO treated as an emergency medicine doctor in San Dimas, CA during 2020 were emergency care.

Volume of procedures performed by Dr. Ray Zhao, DO for Medicare patients.

doctor visit	59
emergency care	37

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ray Zhao, DO.

**Gender**
Male	49
Female	56

**Ethnicity**
Non-Hispanic White	0
Black	36
Hispanic	44
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	0
85 and over	0
Less than 65	23

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2020

The most common conditions of Medicare patients that Dr. Ray Zhao, DO treated during 2020 were hypertension, diabetes, high cholesterol and chronic kidney disease.

Hypertension	70
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	32
Depression	22
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	25
Chronic Obstructive Pulmonary Disease	21
Diabetes	49
Dementia	19
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ray Zhao, DO treated as an emergency medicine doctor in San Dimas, CA during 2021 were emergency care.

Volume of procedures performed by Dr. Ray Zhao, DO for Medicare patients.

doctor visit	46
emergency care	27

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ray Zhao, DO.

**Gender**
Male	32
Female	48

**Ethnicity**
Non-Hispanic White	0
Black	29
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	45
From 75 to 84	0
85 and over	0
Less than 65	17

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2021

The most common conditions of Medicare patients that Dr. Ray Zhao, DO treated during 2021 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	63
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	21
Depression	26
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	43
Dementia	23
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Ray Zhao, DO for Medicare patients.

doctor visit	39

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ray Zhao, DO.

**Gender**
Male	32
Female	30

**Ethnicity**
Non-Hispanic White	0
Black	19
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	40
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2022

The most common conditions of Medicare patients that Dr. Ray Zhao, DO treated during 2022 were hypertension, high cholesterol, diabetes and depression.

Hypertension	74
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	23
Depression	24
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	21
Diabetes	47
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Ray Zhao, DO treated as an emergency medicine doctor in San Dimas, CA during 2023 were blood draw.

Volume of procedures performed by Dr. Ray Zhao, DO for Medicare patients.

blood draw	12
doctor visit	127

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Ray Zhao, DO.

**Gender**
Male	39
Female	67

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	69
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	20
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2023

The most common conditions of Medicare patients that Dr. Ray Zhao, DO treated during 2023 were high cholesterol, hypertension, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	16
Depression	0
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	12
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	56
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Ray Zhao, DO for Medicare patients.

The highest averages for the top procedures that Dr. Ray Zhao, DO treated as an emergency medicine doctor in San Dimas, CA were emergency care, X-rays, thoracic (chest) imaging and blood draw.

blood draw	12
doctor visit	51
emergency care	119
thoracic (chest) imaging	30
X-rays	30

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Ray Zhao, DO.

**Gender**
Male	64
Female	92

**Ethnicity**
Black / African American	19
Asian / Pacific Islander	13
Non-Hispanic White	51
Native American / Alaskan Native	0
Hispanic	53
Other	0

**Age**
75 to 84	29
85 and over	24
Less than 65	38
65 to 74	53

Average of Total of Conditions of Medicare patients treated by Dr. Ray Zhao, DO From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Ray Zhao, DO treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	72
High Cholesterol	52
Stroke	10
Ischemic Heart Disease	40
Depression	31
Chronic Kidney Disease	40
Asthma	11
Osteoporosis	10
Heart Failure	28
Chronic Obstructive Pulmonary Disease	28
Diabetes	45
Atrial Fibrillation	7
Cancer	3
Dementia	25

Education & Training

He has a state license in California.

Licensed In: California

Affiliations & Hospitals

Dr. Ray Zhao, DO is associated with these hospitals and organizations:

Southern California Permanente Medical Group (SCPMG)

COUNTY OF LOS ANGELES

Ratings & Reviews

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General Payments

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

**Payments by Company**
Bayer HealthCare Pharmaceuticals Inc.	$16 Nexavar $16
Helsinn Therapeutics (U.S.), Inc.	$14 ALOXI $14

**Types of Payments**
Food and Beverage	$30

Biography

Dr. Ray Zhao is an emergency medicine specialist. Dr. Zhao's areas of expertise include the following: urgent care and emergency care. He is professionally affiliated with Southern California Permanente Medical Group (SCPMG).

Select Year:

Dr. Ray Zhao, DO

Office Locations

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ray Zhao, DO in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Average Medicare Patient Data From 2013 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Ray Zhao, DO From 2013 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Emergency Physicians in Nearby Locations

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