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

Dr. Andrew Ta-Chung Liu, MD

Accepting New Patients

(4 Ratings)

Specializes in: Adult Pulmonology and Obstetrics & Gynecology (OB/GYN)

University of Pittsburgh School of Medicine (1983)

2900 Whipple Avenue Suite 135
Redwood City, CA 94062

(650) 366-5594

Dr. Andrew Ta-Chung Liu, MD is a pulmonologist in Redwood City, CA specializing in adult pulmonology and obstetrics & gynecology (ob/gyn). He graduated from University of Pittsburgh School of Medicine in 1983 and has 43 years of experience. Dr. Andrew Ta-Chung Liu, MD is affiliated with Stanford Medicine Children's Health and Hill Physicians.

Office Locations

2900 Whipple Avenue Suite 135
Redwood City, CA 94062

(650) 366-5594

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Andrew Ta-Chung Liu, MD for Medicare patients.

doctor visit	48

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Andrew Ta-Chung Liu, MD for Medicare patients.

doctor visit	56

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD.

**Gender**
Male	0
Female	46

**Age**
From 65 to 74	32
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD in 2013

Hypertension	48
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Andrew Ta-Chung Liu, MD for Medicare patients.

doctor visit	26

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD.

**Gender**
Male	0
Female	27

Conditions of Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD in 2014

Hypertension	41
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Andrew Ta-Chung Liu, MD for Medicare patients.

doctor visit	16

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD.

**Gender**
Male	0
Female	62

Conditions of Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD in 2015

Hypertension	55
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Andrew Ta-Chung Liu, MD for Medicare patients.

doctor visit	12

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD.

**Gender**
Male	0
Female	34

**Ethnicity**
Non-Hispanic White	23
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	18
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD in 2016

Hypertension	50
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Andrew Ta-Chung Liu, MD treated as a pulmonologist in Redwood City, CA during 2017 were breast exam and gynecologic procedures.

Volume of procedures performed by Dr. Andrew Ta-Chung Liu, MD for Medicare patients.

breast exam	14
gynecologic procedures	14

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD.

**Gender**
Male	0
Female	20

Conditions of Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD in 2017

Hypertension	55
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD.

**Gender**
Male	0
Female	17

Conditions of Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD in 2018

Hypertension	0
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Andrew Ta-Chung Liu, MD treated as a pulmonologist in Redwood City, CA during 2019 were breast exam, gynecologic procedures, preventive care and cytology.

Volume of procedures performed by Dr. Andrew Ta-Chung Liu, MD for Medicare patients.

breast exam	13
cytology	12
doctor visit	14
gynecologic pathology	12
gynecologic procedures	13
preventive care	12

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD.

**Gender**
Male	0
Female	31

**Age**
From 65 to 74	18
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD in 2019

Hypertension	42
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Andrew Ta-Chung Liu, MD treated as a pulmonologist in Redwood City, CA during 2020 were breast exam, gynecologic procedures, preventive care and cytology.

Volume of procedures performed by Dr. Andrew Ta-Chung Liu, MD for Medicare patients.

breast exam	29
cytology	24
doctor visit	27
gynecologic pathology	24
gynecologic procedures	29
preventive care	24

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD.

**Gender**
Male	0
Female	60

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

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

Conditions of Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD in 2020

Hypertension	40
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Andrew Ta-Chung Liu, MD treated as a pulmonologist in Redwood City, CA during 2021 were breast exam, gynecologic procedures, preventive care and cytology.

Volume of procedures performed by Dr. Andrew Ta-Chung Liu, MD for Medicare patients.

breast exam	40
cytology	34
doctor visit	37
gynecologic pathology	34
gynecologic procedures	40
lab tests	12
preventive care	34

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD.

**Gender**
Male	0
Female	77

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

**Age**
From 65 to 74	46
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD in 2021

Hypertension	39
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	0
Depression	19
Chronic Kidney Disease	14
Asthma	0
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Andrew Ta-Chung Liu, MD treated as a pulmonologist in Redwood City, CA during 2022 were breast exam, gynecologic procedures, preventive care and cytology.

Volume of procedures performed by Dr. Andrew Ta-Chung Liu, MD for Medicare patients.

breast exam	37
cytology	22
doctor visit	69
gynecologic pathology	22
gynecologic procedures	37
lab tests	14
preventive care	22

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD.

**Gender**
Male	0
Female	89

**Ethnicity**
Non-Hispanic White	67
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	46
From 75 to 84	29
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD in 2022

Hypertension	53
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	0
Depression	17
Chronic Kidney Disease	0
Asthma	13
Osteoperosis	24
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	15
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Andrew Ta-Chung Liu, MD treated as a pulmonologist in Redwood City, CA during 2023 were breast exam, gynecologic procedures, preventive care and cytology.

Volume of procedures performed by Dr. Andrew Ta-Chung Liu, MD for Medicare patients.

breast exam	66
cytology	47
doctor visit	41
gynecologic pathology	47
gynecologic procedures	66
preventive care	47

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD.

**Gender**
Male	0
Female	101

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

**Age**
From 65 to 74	58
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD in 2023

Hypertension	49
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	0
Depression	15
Chronic Kidney Disease	0
Asthma	12
Osteoperosis	23
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Andrew Ta-Chung Liu, MD treated as a pulmonologist in Redwood City, CA during 2024 were breast exam, gynecologic procedures, preventive care and cytology.

Volume of procedures performed by Dr. Andrew Ta-Chung Liu, MD for Medicare patients.

breast exam	47
cytology	33
doctor visit	44
gynecologic pathology	33
gynecologic procedures	47
preventive care	33

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD.

**Gender**
Male	0
Female	85

**Ethnicity**
Non-Hispanic White	66
Black	0
Hispanic	0
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	0

Conditions of Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD in 2024

Hypertension	48
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	18
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Andrew Ta-Chung Liu, MD for Medicare patients.

The highest averages for the top procedures that Dr. Andrew Ta-Chung Liu, MD treated as a pulmonologist in Redwood City, CA were breast exam, gynecologic procedures, preventive care and cytology.

breast exam	35
cytology	28
doctor visit	35
gynecologic pathology	28
gynecologic procedures	35
lab tests	13
preventive care	28

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD.

**Gender**
Female	49
Male	0

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	26
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	0
75 to 84	2
Less than 65	0
65 to 74	23

Average of Total of Conditions of Medicare patients treated by Dr. Andrew Ta-Chung Liu, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Andrew Ta-Chung Liu, MD treated were high cholesterol, hypertension, osteoperosis and asthma.

Hypertension	40
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	0
Depression	3
Chronic Kidney Disease	1
Asthma	3
Osteoporosis	5
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	1
Atrial Fibrillation	0
Cancer	3
Dementia	0

Education & Training

Dr. Andrew Ta-Chung Liu, MD graduated from University of Pittsburgh School of Medicine in 1983. He completed residency at Case Western Reserve University Affiliated Hospitals. He is certified by the American Board of OBGYN-Obstetrics & Gynecology and has a state license in California.

Medical School: University of Pittsburgh School of Medicine (1983)

Residency: Case Western Reserve University Affiliated Hospitals (1987)

Board Certification: American Board of OBGYN-Obstetrics & Gynecology (2026)

Licensed In: California

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. Andrew Ta-Chung Liu, MD appears to accept the following insurance providers: Cigna, Aetna, Blue Shield of California, UnitedHealthcare, Anthem, Health Net, Central Health Plan, CCHP Health Plan (Chinese Community Health Plan) and Canopy Health.

Insurance Accepted by Provider includes:

According to our sources, Dr. Andrew Ta-Chung Liu, MD accepts the following insurance providers:

Cigna

Aetna

Blue Shield of California

UnitedHealthcare

Anthem

Health Net

Central Health Plan

CCHP Health Plan (Chinese Community Health Plan)

Canopy Health

Ratings & Reviews

Dr. Andrew Ta-Chung Liu, MD has a high overall rating with an average of 3.5 out of 5 stars based on 4 ratings. We collect ratings and reviews of Dr. Andrew Ta-Chung Liu, MD from all over the web to help you find the right in Redwood City, CA.

3.5

Overall Rating

(4 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. Andrew Ta-Chung Liu, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Takeda Pharmaceuticals America, Inc.	$241 Contrave $241
Merck Sharp & Dohme Corporation	$207 NEXPLANON $171	GARDASIL9 $32	NUVARING $3
Pfizer Inc.	$180 DUAVEE $102	PREMARIN ORALS $40	THROMBIN $22	PVC $17
Shionogi Inc	$163 Osphena $163
Abbott Laboratories	$133 AVEIR $133
Other	$1,403 Makena $108	Diclegis $101	BRISDELLE $87	GYN $86	ESTRACE CREAM $61	Other $960

**Types of Payments**
Food and Beverage	$2,265
Education	$62

Biography

Dr. Andrew Liu is a specialist in obstetrics & gynecology (OB/GYN). His average rating from his patients is 3.5 stars (out of 5). Dr. Liu is professionally affiliated with Sequoia Hospital, Stanford Medicine Children's Health, and Hill Physicians. He accepts Blue Shield, Health Net, Anthem, and more. Dr. Liu's practice in Redwood City, CA is open to new patients as reported by Hill Physicians. He attended the University of Pittsburgh School of Medicine and then went on to complete his residency at a hospital affiliated with Case Western Reserve University. In addition to English, he speaks Mandarin.