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Home > CA Providers > Obstetricians & Gynecologists: OB-GYNs

Dr. Kevin Khai Tuan Tieu, MD

(7 Ratings)

Specializes in: Obstetrics & Gynecology (OB/GYN)

Penn State College of Medicine (2000)

16543 Brookhurst Street
Fountain Valley, CA 92708

(714) 418-9749

Dr. Kevin Khai Tuan Tieu, MD is an obstetrician and gynecologist in Fountain Valley, CA specializing in obstetrics & gynecology (ob/gyn). He graduated from Penn State College of Medicine in 2000 and has 26 years of experience. Dr. Kevin Khai Tuan Tieu, MD is affiliated with MemorialCare, Orange Coast Medical Center, MemorialCare Medical Group and Edinger Medical Group MemorialCare Independent Physicians.

Office Locations

16543 Brookhurst Street
Fountain Valley, CA

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16543 Brookhurst Street
Fountain Valley, CA 92708

(714) 418-9749

(714) 418-1047

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Noteworthy Medicare Patient Procedures Performed by Dr. Kevin Khai Tuan Tieu, MD in 2024

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

Top 5%

By Affordability:

breast exam

gynecologic exams

pelvic exam

In 2024, Dr. Kevin Khai Tuan Tieu, MD had a list price for breast exam, gynecologic exams, and pelvic exam that was lower than the list prices billed to Medicare by 95% of providers in related specialties within California. 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.

Top 10%

By Volume:

transabdominal ultrasound

By Affordability:

ultrasound

In 2024, among providers in related specialties within California, Dr. Kevin Khai Tuan Tieu, MD performed more transabdominal ultrasound procedures for Medicare patients than 90% of them and he also had a list price for ultrasound (sonogram) that was lower than the list prices billed to Medicare by 90% 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.

Top 25%

By Volume:

breast exam

endometrial biopsy

gynecologic procedures

pelvic exam

By Affordability:

cancer prevention

cancer screening

cervical cancer screening

cytology

gynecologic cytology

gynecologic pathology

transabdominal ultrasound

In 2012, among providers in related specialties within California, Dr. Kevin Khai Tuan Tieu, MD performed more breast exam, endometrial biopsy, gynecologic procedures, and pelvic exam procedures for Medicare patients than 75% of them and he also had a list price for cancer prevention, cancer screening, cervical cancer screening, cytology, gynecologic cytology, gynecologic pathology, Pap screening, Pap test, pelvic imaging, pelvic ultrasound, preventive care, screening test, and transabdominal ultrasound 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. Kevin Khai Tuan Tieu, MD treated as an obstetrician and gynecologist in Fountain Valley, CA during 2012 were gynecologic procedures, preventive care, cytology and gynecologic pathology.

Volume of procedures performed by Dr. Kevin Khai Tuan Tieu, MD for Medicare patients.

blood draw	27
breast exam	46
cytology	58
diagnostic procedures	14
doctor visit	140
gynecologic pathology	58
gynecologic procedures	60
pelvic imaging	57
preventive care	58
ultrasound (sonogram)	57

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Kevin Khai Tuan Tieu, MD treated as an obstetrician and gynecologist in Fountain Valley, CA during 2013 were ultrasound (sonogram), pelvic imaging, breast exam and gynecologic procedures.

Volume of procedures performed by Dr. Kevin Khai Tuan Tieu, MD for Medicare patients.

blood draw	23
breast exam	45
cytology	40
doctor visit	148
gynecologic pathology	40
gynecologic procedures	45
pelvic imaging	67
preventive care	40
ultrasound (sonogram)	67

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD.

**Age**
From 65 to 74	82
From 75 to 84	26
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	41
Depression	13
Chronic Kidney Disease	22
Asthma	9
Osteoperosis	36
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	45
Dementia	11
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Kevin Khai Tuan Tieu, MD treated as an obstetrician and gynecologist in Fountain Valley, CA during 2014 were gynecologic procedures, breast exam, preventive care and cytology.

Volume of procedures performed by Dr. Kevin Khai Tuan Tieu, MD for Medicare patients.

blood draw	11
breast exam	53
cytology	52
diagnostic procedures	20
doctor visit	120
gynecologic pathology	52
gynecologic procedures	73
pelvic imaging	48
preventive care	52
ultrasound (sonogram)	48

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD.

**Gender**
Male	0
Female	148

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	0
Asian	137
Other	0
Native American	0

**Age**
From 65 to 74	84
From 75 to 84	39
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	42
Depression	19
Chronic Kidney Disease	22
Asthma	9
Osteoperosis	27
Atrial Fibrilation	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	47
Dementia	14
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Kevin Khai Tuan Tieu, MD treated as an obstetrician and gynecologist in Fountain Valley, CA during 2015 were gynecologic procedures, ultrasound (sonogram), pelvic imaging and breast exam.

Volume of procedures performed by Dr. Kevin Khai Tuan Tieu, MD for Medicare patients.

blood draw	18
breast exam	62
cytology	42
diagnostic procedures	26
doctor visit	152
gynecologic pathology	42
gynecologic procedures	88
pelvic imaging	69
preventive care	42
ultrasound (sonogram)	69

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD.

**Gender**
Male	0
Female	316

**Age**
From 65 to 74	174
From 75 to 84	84
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	35
Depression	13
Chronic Kidney Disease	23
Asthma	9
Osteoperosis	27
Atrial Fibrilation	0
Heart Failure	8
Chronic Obstructive Pulmonary Disease	9
Diabetes	42
Dementia	12
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Kevin Khai Tuan Tieu, MD treated as an obstetrician and gynecologist in Fountain Valley, CA during 2016 were ultrasound (sonogram), pelvic imaging, gynecologic procedures and breast exam.

Volume of procedures performed by Dr. Kevin Khai Tuan Tieu, MD for Medicare patients.

blood draw	13
breast exam	47
cytology	35
diagnostic procedures	16
doctor visit	159
gynecologic pathology	35
gynecologic procedures	63
pelvic imaging	82
preventive care	35
ultrasound (sonogram)	82

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD.

**Gender**
Male	0
Female	155

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	0
Asian	140
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	35
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD in 2016

Hypertension	71
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	26
Depression	14
Chronic Kidney Disease	25
Asthma	8
Osteoperosis	32
Atrial Fibrilation	0
Heart Failure	8
Chronic Obstructive Pulmonary Disease	8
Diabetes	42
Dementia	12
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Kevin Khai Tuan Tieu, MD treated as an obstetrician and gynecologist in Fountain Valley, CA during 2017 were ultrasound (sonogram), pelvic imaging, gynecologic procedures and breast exam.

Volume of procedures performed by Dr. Kevin Khai Tuan Tieu, MD for Medicare patients.

breast exam	33
cytology	20
diagnostic procedures	14
doctor visit	151
gynecologic pathology	20
gynecologic procedures	47
pelvic imaging	92
preventive care	20
ultrasound (sonogram)	92

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD.

**Gender**
Male	0
Female	132

**Age**
From 65 to 74	81
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	37
Depression	21
Chronic Kidney Disease	25
Asthma	11
Osteoperosis	39
Atrial Fibrilation	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	0
Diabetes	39
Dementia	12
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Kevin Khai Tuan Tieu, MD treated as an obstetrician and gynecologist in Fountain Valley, CA during 2018 were ultrasound (sonogram), pelvic imaging, gynecologic procedures and breast exam.

Volume of procedures performed by Dr. Kevin Khai Tuan Tieu, MD for Medicare patients.

blood draw	13
breast exam	46
cytology	32
diagnostic procedures	13
doctor visit	170
gynecologic pathology	32
gynecologic procedures	59
pelvic imaging	100
preventive care	32
ultrasound (sonogram)	100

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD.

**Gender**
Male	0
Female	152

**Age**
From 65 to 74	87
From 75 to 84	41
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	41
Depression	18
Chronic Kidney Disease	26
Asthma	9
Osteoperosis	34
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	42
Dementia	14
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Kevin Khai Tuan Tieu, MD treated as an obstetrician and gynecologist in Fountain Valley, CA during 2019 were ultrasound (sonogram), pelvic imaging, gynecologic procedures and breast exam.

Volume of procedures performed by Dr. Kevin Khai Tuan Tieu, MD for Medicare patients.

blood draw	18
breast exam	50
cytology	24
diagnostic procedures	15
doctor visit	201
excision	15
gynecologic pathology	24
gynecologic procedures	65
minimally invasive procedures	15
pelvic imaging	87
preventive care	24
removal of lesion (e.g. growth)	15
ultrasound (sonogram)	87

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD.

**Gender**
Male	0
Female	161

**Age**
From 65 to 74	96
From 75 to 84	43
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	33
Depression	17
Chronic Kidney Disease	28
Asthma	7
Osteoperosis	32
Atrial Fibrilation	0
Heart Failure	9
Chronic Obstructive Pulmonary Disease	0
Diabetes	37
Dementia	10
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Kevin Khai Tuan Tieu, MD treated as an obstetrician and gynecologist in Fountain Valley, CA during 2020 were ultrasound (sonogram), pelvic imaging, breast exam and gynecologic procedures.

Volume of procedures performed by Dr. Kevin Khai Tuan Tieu, MD for Medicare patients.

blood draw	15
breast exam	41
cytology	16
doctor visit	150
gynecologic pathology	16
gynecologic procedures	41
pelvic imaging	67
preventive care	16
ultrasound (sonogram)	67

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD.

**Gender**
Male	0
Female	127

**Age**
From 65 to 74	87
From 75 to 84	23
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	39
Depression	19
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	36
Atrial Fibrilation	0
Heart Failure	17
Chronic Obstructive Pulmonary Disease	0
Diabetes	46
Dementia	17
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Kevin Khai Tuan Tieu, MD treated as an obstetrician and gynecologist in Fountain Valley, CA during 2021 were ultrasound (sonogram), pelvic imaging, gynecologic procedures and breast exam.

Volume of procedures performed by Dr. Kevin Khai Tuan Tieu, MD for Medicare patients.

blood draw	19
breast exam	46
cytology	22
diagnostic procedures	18
doctor visit	181
excision	18
gynecologic pathology	22
gynecologic procedures	64
minimally invasive procedures	18
pelvic imaging	71
preventive care	22
removal of lesion (e.g. growth)	18
ultrasound (sonogram)	71

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD.

**Age**
From 65 to 74	109
From 75 to 84	37
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	32
Depression	20
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	41
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	0
Diabetes	48
Dementia	19
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Kevin Khai Tuan Tieu, MD treated as an obstetrician and gynecologist in Fountain Valley, CA during 2022 were gynecologic procedures, ultrasound (sonogram), pelvic imaging and breast exam.

Volume of procedures performed by Dr. Kevin Khai Tuan Tieu, MD for Medicare patients.

breast exam	65
cytology	49
diagnostic procedures	25
doctor visit	239
excision	14
gynecologic pathology	49
gynecologic procedures	90
minimally invasive procedures	14
pelvic imaging	84
preventive care	49
removal of lesion (e.g. growth)	14
ultrasound (sonogram)	84

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD.

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	0
Asian	189
Other	0
Native American	0

**Age**
From 65 to 74	145
From 75 to 84	31
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	18
Depression	20
Chronic Kidney Disease	29
Asthma	11
Osteoperosis	41
Atrial Fibrilation	6
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	47
Dementia	15
Cancer	6

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Kevin Khai Tuan Tieu, MD treated as an obstetrician and gynecologist in Fountain Valley, CA during 2023 were ultrasound (sonogram), pelvic imaging, gynecologic procedures and breast exam.

Volume of procedures performed by Dr. Kevin Khai Tuan Tieu, MD for Medicare patients.

blood draw	21
breast exam	44
cytology	38
diagnostic procedures	12
doctor visit	230
excision	12
gynecologic pathology	38
gynecologic procedures	56
minimally invasive procedures	12
pelvic imaging	94
preventive care	38
removal of lesion (e.g. growth)	12
ultrasound (sonogram)	94

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD.

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	0
Asian	165
Other	0
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	24
Depression	21
Chronic Kidney Disease	27
Asthma	11
Osteoperosis	42
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	44
Dementia	13
Cancer	0

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Kevin Khai Tuan Tieu, MD treated as an obstetrician and gynecologist in Fountain Valley, CA during 2024 were ultrasound (sonogram), pelvic imaging, gynecologic procedures and breast exam.

Volume of procedures performed by Dr. Kevin Khai Tuan Tieu, MD for Medicare patients.

breast exam	60
cytology	46
diagnostic procedures	31
doctor visit	260
excision	15
gynecologic pathology	46
gynecologic procedures	91
minimally invasive procedures	15
pelvic imaging	99
preventive care	46
removal of lesion (e.g. growth)	15
ultrasound (sonogram)	99

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD.

**Age**
From 65 to 74	142
From 75 to 84	42
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	25
Depression	17
Chronic Kidney Disease	23
Asthma	10
Osteoperosis	42
Atrial Fibrilation	6
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	44
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Kevin Khai Tuan Tieu, MD for Medicare patients.

The highest averages for the top procedures that Dr. Kevin Khai Tuan Tieu, MD treated as an obstetrician and gynecologist in Fountain Valley, CA were ultrasound (sonogram), pelvic imaging, gynecologic procedures and breast exam.

blood draw	17
breast exam	49
cytology	36
diagnostic procedures	18
doctor visit	177
excision	14
gynecologic pathology	36
gynecologic procedures	64
minimally invasive procedures	14
pelvic imaging	78
preventive care	36
removal of lesion (e.g. growth)	14
ultrasound (sonogram)	78

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD.

**Gender**
Male	0
Female	91

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	48
Non-Hispanic White	0
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	36
85 and over	0
Less than 65	0
65 to 74	100

Average of Total of Conditions of Medicare patients treated by Dr. Kevin Khai Tuan Tieu, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Kevin Khai Tuan Tieu, MD treated were high cholesterol, hypertension, diabetes and osteoperosis.

Hypertension	68
High Cholesterol	69
Stroke	1
Ischemic Heart Disease	30
Depression	16
Chronic Kidney Disease	24
Asthma	8
Osteoporosis	33
Heart Failure	10
Chronic Obstructive Pulmonary Disease	4
Diabetes	40
Atrial Fibrillation	0
Dementia	12
Cancer	1

Education & Training

Dr. Kevin Khai Tuan Tieu, MD graduated from Penn State College of Medicine in 2000. He completed residency at Cedars-Sinai Medical Center. He has a state license in California.

Medical School: Penn State College of Medicine (2000)

Residency: Cedars-Sinai Medical Center (2004)

Licensed In: California

Ratings & Reviews

Dr. Kevin Khai Tuan Tieu, MD has a good overall rating with an average of 2.93 out of 5 stars based on 7 ratings. We collect ratings and reviews of Dr. Kevin Khai Tuan Tieu, MD from all over the web to help you find the right in Fountain Valley, CA.

2.93

Overall Rating

(7 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Pfizer Inc.	$17,479 MYFEMBREE $13,776	PVC $766	DUAVEE $308	NURTEC ODT $295	PREMARIN $232	Other $2,103
Exeltis, USA Inc.	$8,076 Slynd $7,723	Vitafol Ultra $300	Vitafol Fe+ $28	Vitafol $24
Myovant Sciences Inc.	$6,611 MYFEMBREE $6,611
Sumitomo Pharma America, Inc.	$4,310 MYFEMBREE $4,264	GEMTESA $46
AbbVie Inc.	$1,119 ORIAHNN $602	Orilissa $201	Liletta $143	LO LOESTRIN FE $121	LINZESS $51
Other	$10,493 Orthobiologics $558	Orilissa $455	Balcoltra $440	Zurzuvae $428	INTRAROSA $393	Other $8,219

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$26,378
Food and Beverage	$16,486
Honoraria	$4,080
Education	$685
Consulting Fee	$250
Other	$210

Biography

Dr. Kevin Khai Tieu practices obstetrics & gynecology (OB/GYN). The average patient rating for Dr. Tieu is 3.0 stars (out of 5). His education and training includes medical school at Penn State College of Medicine and residency at Cedars-Sinai Medical Center. Dr. Tieu (or staff) speaks the following foreign languages: Spanish and Vietnamese. He is professionally affiliated with Orange Coast Medical Center and MemorialCare Medical Group.