Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > CA Providers

Dr. Catherine Bao Ngo, MD

Accepting New Patients

(Catherine B. Ngo, MD)

(1 Rating)

Specializes in: Gastroenterology (Digestive System), General Practice and Internal Medicine (Adult Medicine)

Wake Forest University School of Medicine

26671 Aliso Creek Road Suite 301
Aliso Viejo, CA 92656

(949) 764-7569

Dr. Catherine Bao Ngo, MD is a gastroenterologist in Aliso Viejo, CA specializing in gastroenterology (digestive system), general practice and internal medicine (adult medicine). She graduated from Wake Forest University School of Medicine. Dr. Catherine Bao Ngo, MD is affiliated with Hoag, HOAG Health Center and Hoag Specialty Clinic.

Office Locations

26671 Aliso Creek Road Suite 301
Aliso Viejo, CA 92656

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Catherine Bao Ngo, MD in 2023

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

Top 5%

By Volume:

anorectal manometry

manometry

By Affordability:

anorectal manometry

esophageal impedance monitoring

gastrointestinal motility tests

manometry

In 2023, among providers in related specialties within California, Dr. Catherine Bao Ngo, MD performed more anorectal manometry, and manometry procedures for Medicare patients than 95% of them and she also had a list price for anorectal manometry, esophageal impedance monitoring, gastrointestinal motility tests, and manometry that was lower than the list prices billed to Medicare by 95% 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 10%

By Affordability:

esophageal manometry

In 2023, Dr. Catherine Bao Ngo, MD had a list price for esophageal manometry that was lower than the list prices billed to Medicare by 90% 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 25%

By Volume:

gastrointestinal procedures

In 2012, Dr. Catherine Bao Ngo, MD performed more gastrointestinal procedures procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Catherine Bao Ngo, MD treated as a gastroenterologist in Aliso Viejo, CA during 2012 were hospital care, inpatient care, lab tests and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Catherine Bao Ngo, MD for Medicare patients.

blood draw	13
diagnostic procedures	41
doctor visit	108
gastrointestinal procedures	41
hospital care	123
inpatient care	123
lab tests	59
minimally invasive procedures	41
removal of lesion (e.g. growth)	41

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Catherine Bao Ngo, MD treated as a gastroenterologist in Aliso Viejo, CA during 2013 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Catherine Bao Ngo, MD for Medicare patients.

blood draw	26
diagnostic procedures	134
doctor visit	333
gastrointestinal procedures	159
hospital care	289
inpatient care	289
lab tests	41
minimally invasive procedures	159
preventive care	25
removal of lesion (e.g. growth)	134

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bao Ngo, MD.

**Gender**
Male	101
Female	233

**Ethnicity**
Non-Hispanic White	295
Black	0
Hispanic	11
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	97
85 and over	98
Less than 65	18

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2013

Hypertension	72
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	40
Depression	28
Chronic Kidney Disease	34
Asthma	11
Osteoperosis	18
Atrial Fibrilation	19
Heart Failure	25
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Catherine Bao Ngo, MD treated as a gastroenterologist in Aliso Viejo, CA during 2014 were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Catherine Bao Ngo, MD for Medicare patients.

anorectal procedures	11
diagnostic procedures	111
doctor visit	244
gastrointestinal procedures	174
hospital care	313
inpatient care	313
manometry	22
minimally invasive procedures	141
preventive care	15
removal of lesion (e.g. growth)	111

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bao Ngo, MD.

**Gender**
Male	104
Female	200

**Ethnicity**
Non-Hispanic White	265
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	103
From 75 to 84	87
85 and over	100
Less than 65	14

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2014

Hypertension	74
High Cholesterol	64
Stroke	9
Ischemic Heart Disease	38
Depression	25
Chronic Kidney Disease	37
Asthma	13
Osteoperosis	17
Atrial Fibrilation	20
Heart Failure	27
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	18
Cancer	19

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Catherine Bao Ngo, MD treated as a gastroenterologist in Aliso Viejo, CA during 2015 were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Catherine Bao Ngo, MD for Medicare patients.

anorectal procedures	11
diagnostic procedures	140
doctor visit	267
gastrointestinal procedures	217
hospital care	337
inpatient care	337
manometry	28
minimally invasive procedures	175
preventive care	24
removal of lesion (e.g. growth)	140

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bao Ngo, MD.

**Gender**
Male	210
Female	438

**Ethnicity**
Non-Hispanic White	548
Black	0
Hispanic	32
Asian	42
Other	0
Native American	0

**Age**
From 65 to 74	278
From 75 to 84	184
85 and over	152
Less than 65	34

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2015

Hypertension	69
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	33
Depression	29
Chronic Kidney Disease	36
Asthma	15
Osteoperosis	18
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	16
Diabetes	33
Dementia	15
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Catherine Bao Ngo, MD treated as a gastroenterologist in Aliso Viejo, CA during 2016 were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Catherine Bao Ngo, MD for Medicare patients.

diagnostic procedures	160
doctor visit	306
gastrointestinal procedures	222
hospital care	358
inpatient care	358
manometry	20
minimally invasive procedures	183
preventive care	23
removal of lesion (e.g. growth)	160

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bao Ngo, MD.

**Gender**
Male	93
Female	251

**Ethnicity**
Non-Hispanic White	296
Black	0
Hispanic	0
Asian	20
Other	16
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	104
85 and over	65
Less than 65	13

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2016

Hypertension	67
High Cholesterol	60
Stroke	9
Ischemic Heart Disease	31
Depression	23
Chronic Kidney Disease	34
Asthma	21
Osteoperosis	15
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	28
Dementia	14
Cancer	18

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Catherine Bao Ngo, MD treated as a gastroenterologist in Aliso Viejo, CA during 2017 were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Catherine Bao Ngo, MD for Medicare patients.

diagnostic procedures	140
doctor visit	279
gastrointestinal procedures	206
hospital care	300
inpatient care	300
manometry	22
minimally invasive procedures	163
preventive care	23
removal of lesion (e.g. growth)	140

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bao Ngo, MD.

**Gender**
Male	100
Female	242

**Ethnicity**
Non-Hispanic White	292
Black	0
Hispanic	12
Asian	20
Other	0
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	102
85 and over	61
Less than 65	16

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2017

Hypertension	67
High Cholesterol	57
Stroke	8
Ischemic Heart Disease	31
Depression	27
Chronic Kidney Disease	32
Asthma	11
Osteoperosis	15
Atrial Fibrilation	15
Heart Failure	22
Chronic Obstructive Pulmonary Disease	16
Diabetes	26
Dementia	15
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Catherine Bao Ngo, MD treated as a gastroenterologist in Aliso Viejo, CA during 2018 were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Catherine Bao Ngo, MD for Medicare patients.

blood draw	19
diagnostic procedures	146
doctor visit	290
gastrointestinal procedures	227
hospital care	274
inpatient care	274
manometry	28
minimally invasive procedures	176
preventive care	30
removal of lesion (e.g. growth)	146

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bao Ngo, MD.

**Gender**
Male	116
Female	251

**Ethnicity**
Non-Hispanic White	302
Black	0
Hispanic	18
Asian	23
Other	0
Native American	0

**Age**
From 65 to 74	190
From 75 to 84	114
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2018

Hypertension	66
High Cholesterol	67
Stroke	3
Ischemic Heart Disease	30
Depression	24
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	16
Diabetes	25
Dementia	11
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Catherine Bao Ngo, MD treated as a gastroenterologist in Aliso Viejo, CA during 2019 were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Catherine Bao Ngo, MD for Medicare patients.

blood draw	25
diagnostic procedures	178
doctor visit	249
gastrointestinal procedures	276
hospital care	345
inpatient care	345
manometry	21
minimally invasive procedures	226
preventive care	32
removal of lesion (e.g. growth)	178

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bao Ngo, MD.

**Gender**
Male	101
Female	260

**Ethnicity**
Non-Hispanic White	288
Black	0
Hispanic	21
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	170
From 75 to 84	130
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2019

Hypertension	70
High Cholesterol	69
Stroke	7
Ischemic Heart Disease	31
Depression	24
Chronic Kidney Disease	39
Asthma	11
Osteoperosis	16
Atrial Fibrilation	15
Heart Failure	19
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Catherine Bao Ngo, MD treated as a gastroenterologist in Aliso Viejo, CA during 2020 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Catherine Bao Ngo, MD for Medicare patients.

diagnostic procedures	123
doctor visit	270
gastrointestinal procedures	145
hospital care	223
inpatient care	223
minimally invasive procedures	145
preventive care	22
removal of lesion (e.g. growth)	123

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bao Ngo, MD.

**Gender**
Male	86
Female	240

**Ethnicity**
Non-Hispanic White	269
Black	0
Hispanic	14
Asian	27
Other	0
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	89
85 and over	61
Less than 65	12

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2020

Hypertension	63
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	31
Depression	27
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	15
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Dementia	11
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Catherine Bao Ngo, MD treated as a gastroenterologist in Aliso Viejo, CA during 2021 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Catherine Bao Ngo, MD for Medicare patients.

diagnostic procedures	130
doctor visit	305
gastrointestinal procedures	185
hospital care	287
inpatient care	287
minimally invasive procedures	185
preventive care	55
removal of lesion (e.g. growth)	130

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bao Ngo, MD.

**Gender**
Male	85
Female	276

**Ethnicity**
Non-Hispanic White	287
Black	0
Hispanic	16
Asian	39
Other	0
Native American	0

**Age**
From 65 to 74	183
From 75 to 84	123
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2021

Hypertension	60
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	24
Depression	23
Chronic Kidney Disease	43
Asthma	10
Osteoperosis	19
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	23
Dementia	12
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Catherine Bao Ngo, MD treated as a gastroenterologist in Aliso Viejo, CA during 2022 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Catherine Bao Ngo, MD for Medicare patients.

diagnostic procedures	55
doctor visit	123
gastrointestinal procedures	70
hospital care	89
inpatient care	89
minimally invasive procedures	70
preventive care	15
removal of lesion (e.g. growth)	55

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bao Ngo, MD.

**Gender**
Male	39
Female	149

**Ethnicity**
Non-Hispanic White	153
Black	0
Hispanic	0
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	72
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2022

Hypertension	73
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	19
Depression	23
Chronic Kidney Disease	29
Asthma	14
Osteoperosis	26
Atrial Fibrilation	18
Heart Failure	14
Chronic Obstructive Pulmonary Disease	17
Diabetes	24
Dementia	9
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Catherine Bao Ngo, MD for Medicare patients.

The highest averages for the top procedures that Dr. Catherine Bao Ngo, MD treated as a gastroenterologist in Aliso Viejo, CA were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

anorectal procedures	11
blood draw	20
diagnostic procedures	123
doctor visit	252
gastrointestinal procedures	174
hospital care	267
inpatient care	267
lab tests	50
manometry	23
minimally invasive procedures	151
preventive care	26
removal of lesion (e.g. growth)	123

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Catherine Bao Ngo, MD.

**Gender**
Male	94
Female	230

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	21
Non-Hispanic White	272
Native American / Alaskan Native	0
Hispanic	12
Other	1

**Age**
75 to 84	100
85 and over	48
Less than 65	9
65 to 74	147

Average of Total of Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD From 2012 - 2022

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

Hypertension	61
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	28
Depression	23
Chronic Kidney Disease	32
Asthma	11
Osteoporosis	15
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Atrial Fibrillation	14
Dementia	11
Cancer	14

Education & Training

Dr. Catherine Bao Ngo, MD graduated from Wake Forest University School of Medicine. She completed residency at University of California, Davis Affiliated Hospitals. She is certified by the American Board of Internal Medicine - Gastroenterology and has a state license in California.

Medical School: Wake Forest University School of Medicine

Residency: University of California, Davis Affiliated Hospitals

Board Certification: American Board of Internal Medicine - Gastroenterology

Licensed In: California

Affiliations & Hospitals

Dr. Catherine Bao Ngo, MD is associated with these hospitals and organizations:

Hoag

HOAG Health Center

Hoag Specialty Clinic

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. Catherine Bao Ngo, MD appears to accept the following insurance providers: Cigna, Aetna, Anthem, Blue Shield, United Healthcare and Scan.

Insurance Accepted by Provider includes:

According to our sources, Dr. Catherine Bao Ngo, MD accepts the following insurance providers:

Cigna

Aetna

Anthem

Blue Shield

United Healthcare

Scan

Ratings & Reviews

Dr. Catherine Bao Ngo, MD has an average of 1.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Catherine Bao Ngo, MD from all over the web to help you find the right in Aliso Viejo, CA.

Overall Rating

(1 Rating)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 1.0 2021-09-12

This doctor and office refuses to see patients who are not fully vaccinated no matter what. The vaccine is not forced yet so it is wrong for them to not help patients. The office staff is extremely rude as well.

General Payments

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

**Payments by Company**
AbbVie, Inc.	$1,189 Humira $900	Creon $111	Mavyret $77	Viekira $54	$47
AbbVie Inc.	$427 Skyrizi $144	Rinvoq $90	Creon $83	Humira $66	LINZESS $44
Actavis Pharma Inc	$421 VIBERZI $351	LINZESS $70
Allergan Inc.	$342 LINZESS $194	VIBERZI $99	ZENPEP $49
Janssen Biotech, Inc.	$323 STELARA $226	SIMPONI $97
Other	$3,277 XIFAXAN $358	ENTYVIO $294	LINX $233	AMITIZA $174	SUCRAID $146	Other $2,072

**Types of Payments**
Food and Beverage	$5,977

Biography

Dr. Catherine Ngo's specialties are general practice and gastroenterology (digestive system). Dr. Ngo is professionally affiliated with Hoag. She appears to be in-network for Blue Shield, Anthem, and Blue California, in addition to other insurance carriers. She welcomes new patients at her office inAliso Viejo, CA as reported by Yext. Before completing her residency at a hospital affiliated with the University of California, Davis, Dr. Ngo attended medical school at Wake Forest University School of Medicine. She has received the distinction of Southern California Super Doctors. In addition to English, Dr. Ngo (or staff) speaks Spanish and Vietnamese.

Select Year:

Dr. Catherine Bao Ngo, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Catherine Bao Ngo, MD in 2023

By Volume:

By Affordability:

By Affordability:

By Volume:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Catherine Bao Ngo, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Biography

Gastroenterologists in Nearby Locations

Other Providers in Aliso Viejo, CA