CN
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Ngo, Gastroenterologist in Aliso Viejo, CA?
Dr. Catherine Ngo, MD is a Gastroenterologist, who primarily practices in Aliso Viejo, CA with 2 additional practice locations. She is board certified. Dr. Ngo is fluent in English, Spanish, and Vietnamese, and is currently seeing new patients. Dr. Ngo’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ngo’s office at (949) 770-7163.
Is Dr. Ngo board certified as a Gastroenterologist?
Yes, Dr. Catherine Ngo, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Ngo speak?
Dr. Ngo and their clinical team can communicate with patients in the following languages:
English
Spanish
Vietnamese
What conditions does Dr. Ngo treat?
As a Gastroenterologist, Dr. Ngo diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Ngo. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
- K5909: Other constipation
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Abdominal Bloating
- Gas
- Gas in the Digestive Tract
- Bloated Stomach
- Swollen Belly
- Gaseous Distension
ICD-10 Codes:
- R140: Abdominal distension (gaseous)
What procedures does Dr. Ngo perform?
As a Gastroenterologist, Dr. Ngo performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Ngo. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Esophageal Balloon Distension Study
- Esophageal distension test
- Balloon provocation test
- Esophageal pain study
CPT Codes:
- 91040: Esophageal balloon distension study, diagnostic, with provocation when performed
Also known as:
- Wireless Esophageal pH Test
- Esophageal pH Test
- Bravo pH Test
- Esophageal Reflux Monitoring
- Acid Reflux Test
CPT Codes:
- 91035: Esophagus, gastroesophageal reflux test; with mucosal attached telemetry pH electrode placement, recording, analysis and interpretation
Does Dr. Ngo accept my insurance?
Dr. Ngo accepts most major insurance plans. Important: Please call our office at (949) 770-7163 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ngo accept in Aliso Viejo, CA?
Dr. Ngo in Aliso Viejo, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Territories
All Other Third Party
Blue Shield of California
CalOptima
Crown Cork and Seal Company
CVS Health (formerly Aetna)
HealthComp
Hoag Memorial Hospital Presbyterian
Medicare
UnitedHealthcare
View All Insurances
Where is Dr. Ngo's office located?
Dr. Catherine Ngo's Primary Practice
26671 Aliso Creek Rd Ste 101
Aliso Viejo, CA 92656
(949) 770-7163
Dr. Catherine Ngo's Practice 3
24221 Calle de la Louisa Ste 300
Laguna Hills, CA 92653
(949) 770-7163
What is Dr. Ngo's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ngo's National Provider Identifier (NPI) number is 1558531129.
What common questions do patients ask about Dr. Ngo?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ngo
What is Dr. Catherine Ngo's specialty?
Dr. Ngo is a Gastroenterologist near Aliso Viejo, CA. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Ngo to book an appointment today.
Is this Dr. Catherine Ngo affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Ngo is affiliated with Hoag Hospital Newport Beach which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Catherine Ngo accepting new patients in Aliso Viejo, CA?
Yes, Dr. Catherine Ngo is accepting new patients at this time.
Does Dr. Catherine Ngo offer online booking?
Please contact Dr. Ngo's office at (949) 770-7163 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Catherine Ngo?
Please contact Dr. Ngo's office at (949) 770-7163 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Catherine Ngo have?
Dr. Catherine Ngo is certified by the American Board of Internal Medicine.
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