Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Nguyen, Gastroenterologist in Fountain Valley, CA?
Dr. Duke Nguyen, MD is a Gastroenterologist, who primarily practices in Fountain Valley, CA with 1 additional practice location. He is board certified. Dr. Nguyen graduated from St. George's University School of Medicine. Dr. Nguyen is fluent in English and Vietnamese, and is currently seeing new patients. Dr. Nguyen’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nguyen’s office at (714) 378-7390.
Where did Dr. Nguyen go to medical school and complete their residency?
Medical School: St George',s University | St. George's University School of Medicine
Is Dr. Nguyen board certified as a Gastroenterologist?
Yes, Dr. Duke Nguyen, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Nguyen speak?
Dr. Nguyen and their clinical team can communicate with patients in the following languages:
English
Vietnamese
What conditions does a Gastroenterologist like Dr. Nguyen typically treat?
As a Gastroenterologist, Dr. Nguyen 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. Nguyen. 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. Learn more about our claims-based healthcare methodology.
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:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Gastritis
- Inflamed stomach lining
- Stomach lining inflammation
ICD-10 Codes:
- K2970: Gastritis, unspecified, without bleeding
What procedures does a Gastroenterologist like Dr. Nguyen typically perform?
As a Gastroenterologist, Dr. Nguyen 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. Nguyen. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 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)
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
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
Also known as:
- Capsule Endoscopy
- Pill Camera
- Wireless Capsule Endoscopy
- Small Bowel Capsule Endoscopy
- Intestinal Imaging Pill
CPT Codes:
- 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report
Does Dr. Nguyen accept my insurance?
Dr. Nguyen accepts most major insurance plans. Important: Please call our office at (714) 378-7390 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Nguyen accept in Fountain Valley, CA?
Dr. Nguyen in Fountain Valley, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Shield of California
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicare
Monarch HealthCare
Other Health Care Provider
State of California
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Nguyen's office located?
Dr. Duke Nguyen's Primary Practice
18111 Brookhurst St
Fountain Valley, CA 92708
(714) 378-7390
What is Dr. Nguyen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Nguyen's National Provider Identifier (NPI) number is 1679557797.
What common questions do patients ask about Dr. Nguyen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Nguyen
What is Dr. Duke Nguyen's specialty?
Dr. Nguyen is a Gastroenterologist near Fountain Valley, CA.
What does a Gastroenterologist do?
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.
Is this Dr. Duke Nguyen affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Nguyen is affiliated with Uci Medical Center, Mills-Peninsula Medical Center, Hoag Hospital Newport Beach which are a Castle Connolly Top Hospitals. 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
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore 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 Duke Nguyen accepting new patients in Fountain Valley, CA?
Yes, Dr. Duke Nguyen is accepting new patients at this time.
Does Dr. Duke Nguyen offer online booking?
Please contact Dr. Nguyen's office at (714) 378-7390 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Duke Nguyen?
Please contact Dr. Nguyen's office at (714) 378-7390 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Duke Nguyen have?
Dr. Duke Nguyen is certified by the American Board of Internal Medicine.
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