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Home > CA Providers > Family Physicians & Family Medicine Specialists

Dr. Mark Ou, MD

(Dr. Hung Kang Ou, MD)

(8 Ratings)

Specializes in: Family Medicine

4195 Chino Hills Parkway Suite H
Chino Hills, CA 91709

(909) 597-7817

Dr. Mark Ou, MD is a family medicine practitioner in Chino Hills, CA specializing in family medicine.

Office Locations

4195 Chino Hills Parkway Suite H
Chino Hills, CA 91709

(909) 597-7817

(909) 597-7984

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5562 Philadelphia Street 101
Chino, CA 91710

(909) 986-4692

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark Ou, MD treated as a family medicine practitioner in Chino Hills, CA during 2012 were blood draw, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Mark Ou, MD for Medicare patients.

blood draw	142
doctor visit	613
lab tests	72
preventive care	45
vaccines	45

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Ou, MD treated as a family medicine practitioner in Chino Hills, CA during 2013 were blood draw, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Mark Ou, MD for Medicare patients.

blood draw	205
doctor visit	799
lab tests	101
preventive care	59
vaccines	59

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Ou, MD.

**Gender**
Male	65
Female	102

**Ethnicity**
Non-Hispanic White	47
Black	0
Hispanic	61
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	26
85 and over	20
Less than 65	44

Conditions of Medicare patients treated by Dr. Mark Ou, MD in 2013

Hypertension	69
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	28
Depression	19
Chronic Kidney Disease	17
Asthma	10
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	34
Dementia	10
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Ou, MD treated as a family medicine practitioner in Chino Hills, CA during 2014 were blood draw, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Mark Ou, MD for Medicare patients.

blood draw	173
doctor visit	692
lab tests	71
preventive care	34
vaccines	34

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Ou, MD.

**Gender**
Male	70
Female	101

**Ethnicity**
Non-Hispanic White	45
Black	0
Hispanic	60
Asian	44
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	25
85 and over	20
Less than 65	40

Conditions of Medicare patients treated by Dr. Mark Ou, MD in 2014

Hypertension	60
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	30
Depression	12
Chronic Kidney Disease	17
Asthma	0
Osteoperosis	8
Atrial Fibrilation	0
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	36
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Ou, MD treated as a family medicine practitioner in Chino Hills, CA during 2015 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Mark Ou, MD for Medicare patients.

blood draw	142
doctor visit	621
lab tests	53
preventive care	56
vaccines	56

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Ou, MD.

**Gender**
Male	152
Female	216

**Ethnicity**
Non-Hispanic White	84
Black	0
Hispanic	112
Asian	128
Other	0
Native American	0

**Age**
From 65 to 74	180
From 75 to 84	68
85 and over	44
Less than 65	76

Conditions of Medicare patients treated by Dr. Mark Ou, MD in 2015

Hypertension	60
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	28
Depression	13
Chronic Kidney Disease	24
Asthma	7
Osteoperosis	7
Atrial Fibrilation	0
Heart Failure	17
Chronic Obstructive Pulmonary Disease	8
Diabetes	31
Dementia	10
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Ou, MD treated as a family medicine practitioner in Chino Hills, CA during 2016 were blood draw, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Mark Ou, MD for Medicare patients.

blood draw	151
doctor visit	643
lab tests	56
preventive care	48
vaccines	48

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Ou, MD.

**Gender**
Male	80
Female	111

**Ethnicity**
Non-Hispanic White	40
Black	0
Hispanic	61
Asian	66
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	39
85 and over	22
Less than 65	32

Conditions of Medicare patients treated by Dr. Mark Ou, MD in 2016

Hypertension	61
High Cholesterol	47
Stroke	8
Ischemic Heart Disease	26
Depression	15
Chronic Kidney Disease	34
Asthma	12
Osteoperosis	9
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	9
Diabetes	36
Dementia	9
Cancer	6

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Ou, MD treated as a family medicine practitioner in Chino Hills, CA during 2017 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Mark Ou, MD for Medicare patients.

blood draw	158
doctor visit	684
lab tests	39
preventive care	60
vaccines	60

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Ou, MD.

**Gender**
Male	88
Female	122

**Ethnicity**
Non-Hispanic White	42
Black	0
Hispanic	69
Asian	75
Other	0
Native American	0

**Age**
From 65 to 74	95
From 75 to 84	47
85 and over	26
Less than 65	42

Conditions of Medicare patients treated by Dr. Mark Ou, MD in 2017

Hypertension	58
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	25
Depression	17
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	8
Atrial Fibrilation	6
Heart Failure	20
Chronic Obstructive Pulmonary Disease	11
Diabetes	38
Dementia	11
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Ou, MD treated as a family medicine practitioner in Chino Hills, CA during 2018 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Mark Ou, MD for Medicare patients.

blood draw	126
doctor visit	537
lab tests	22
preventive care	52
vaccines	52

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Ou, MD.

**Gender**
Male	78
Female	105

**Ethnicity**
Non-Hispanic White	31
Black	0
Hispanic	54
Asian	73
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	43
85 and over	25
Less than 65	33

Conditions of Medicare patients treated by Dr. Mark Ou, MD in 2018

Hypertension	64
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	31
Depression	16
Chronic Kidney Disease	40
Asthma	0
Osteoperosis	7
Atrial Fibrilation	0
Heart Failure	20
Chronic Obstructive Pulmonary Disease	8
Diabetes	46
Dementia	12
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Ou, MD treated as a family medicine practitioner in Chino Hills, CA during 2019 were blood draw, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Mark Ou, MD for Medicare patients.

blood draw	95
doctor visit	555
lab tests	26
preventive care	23
vaccines	23

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Ou, MD.

**Gender**
Male	88
Female	120

**Ethnicity**
Non-Hispanic White	33
Black	0
Hispanic	51
Asian	99
Other	0
Native American	0

**Age**
From 65 to 74	108
From 75 to 84	43
85 and over	22
Less than 65	35

Conditions of Medicare patients treated by Dr. Mark Ou, MD in 2019

Hypertension	60
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	22
Depression	13
Chronic Kidney Disease	33
Asthma	6
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	0
Diabetes	40
Dementia	11
Cancer	6

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark Ou, MD treated as a family medicine practitioner in Chino Hills, CA during 2020 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Mark Ou, MD for Medicare patients.

blood draw	55
doctor visit	439
lab tests	15
preventive care	33
vaccines	33

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Ou, MD.

**Gender**
Male	74
Female	104

**Ethnicity**
Non-Hispanic White	29
Black	0
Hispanic	47
Asian	80
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	42
85 and over	17
Less than 65	30

Conditions of Medicare patients treated by Dr. Mark Ou, MD in 2020

Hypertension	56
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	25
Depression	15
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	8
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	35
Dementia	10
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark Ou, MD treated as a family medicine practitioner in Chino Hills, CA during 2021 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Mark Ou, MD for Medicare patients.

blood draw	42
doctor visit	479
lab tests	13
preventive care	18
vaccines	18

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Ou, MD.

**Gender**
Male	83
Female	95

**Ethnicity**
Non-Hispanic White	22
Black	11
Hispanic	44
Asian	88
Other	13
Native American	0

**Age**
From 65 to 74	96
From 75 to 84	41
85 and over	18
Less than 65	23

Conditions of Medicare patients treated by Dr. Mark Ou, MD in 2021

Hypertension	63
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	21
Depression	10
Chronic Kidney Disease	31
Asthma	6
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	8
Chronic Obstructive Pulmonary Disease	0
Diabetes	38
Dementia	12
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark Ou, MD treated as a family medicine practitioner in Chino Hills, CA during 2022 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Mark Ou, MD for Medicare patients.

blood draw	22
doctor visit	611
preventive care	15
vaccines	15

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Ou, MD.

**Gender**
Male	89
Female	135

**Ethnicity**
Non-Hispanic White	35
Black	0
Hispanic	46
Asian	125
Other	0
Native American	0

**Age**
From 65 to 74	127
From 75 to 84	53
85 and over	22
Less than 65	22

Conditions of Medicare patients treated by Dr. Mark Ou, MD in 2022

Hypertension	72
High Cholesterol	72
Stroke	6
Ischemic Heart Disease	17
Depression	10
Chronic Kidney Disease	12
Asthma	8
Osteoperosis	13
Atrial Fibrilation	5
Heart Failure	7
Chronic Obstructive Pulmonary Disease	7
Diabetes	38
Dementia	6
Cancer	5

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Mark Ou, MD treated as a family medicine practitioner in Chino Hills, CA during 2023 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Mark Ou, MD for Medicare patients.

blood draw	37
doctor visit	504
preventive care	28
vaccines	28

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Ou, MD.

**Gender**
Male	68
Female	96

**Ethnicity**
Non-Hispanic White	21
Black	0
Hispanic	36
Asian	89
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	44
85 and over	18
Less than 65	17

Conditions of Medicare patients treated by Dr. Mark Ou, MD in 2023

Hypertension	70
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	18
Depression	10
Chronic Kidney Disease	12
Asthma	0
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	40
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Mark Ou, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark Ou, MD treated as a family medicine practitioner in Chino Hills, CA were blood draw, lab tests, preventive care and vaccines.

blood draw	112
doctor visit	598
lab tests	46
preventive care	39
vaccines	39

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Mark Ou, MD.

**Gender**
Male	77
Female	108

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	75
Non-Hispanic White	35
Hispanic	53
Native American / Alaskan Native	0
Other	1

**Age**
75 to 84	39
85 and over	21
Less than 65	32
65 to 74	93

Average of Total of Conditions of Medicare patients treated by Dr. Mark Ou, MD From 2012 - 2023

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

Hypertension	57
High Cholesterol	49
Stroke	1
Ischemic Heart Disease	22
Depression	12
Chronic Kidney Disease	23
Asthma	4
Osteoporosis	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	6
Diabetes	34
Atrial Fibrillation	0
Cancer	2
Dementia	8

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

Dr. Mark Ou, MD has a good overall rating with an average of 3.0 out of 5 stars based on 8 ratings. We collect ratings and reviews of Dr. Mark Ou, MD from all over the web to help you find the right in Chino Hills, CA.

Overall Rating

(8 Ratings)

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General Payments

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

**Payments by Company**
Takeda Pharmaceuticals America, Inc.	$637 Kazano $369	Contrave $106	Colcrys $102	AMITIZA $60
Lilly USA, LLC	$274 REYVOW $95	JARDIANCE $80	EMGALITY $49	TRULICITY $30	ZEPBOUND $21
Pfizer Inc.	$215 COLOGUARD $116	ELIQUIS $37	PENBRAYA $31	PAXLOVID $19	COLOGUARD DNA CAPTURE REAGENTS $12
AstraZeneca Pharmaceuticals LP	$182 BYDUREON $132	BREZTRI $21	CRESTOR $17	SYMBICORT $13
GlaxoSmithKline, LLC.	$181 TRELEGY ELLIPTA $96	SHINGRIX $31	AREXVY $29	BOOSTRIX $26
Other	$1,393 XIFAXAN $166	Dayvigo $148	INVOKANA $110	NURTEC ODT $102	Cologuard Collection Kit $96	Other $771

**Types of Payments**
Food and Beverage	$2,824
Consulting Fee	$60

Biography

Dr. Mark Ou sees patients in Chino Hills, CA and Chino, CA. His medical specialty is family medicine. On average, patients gave Dr. Ou a rating of 3.0 stars (out of 5).