
Dr. Douglas Nguyen is a Gastroenterologist in Mission Viejo 92691, Mission Viejo CA and has an experience of 16 years in this field. Dr. Douglas Nguyen practices at Mission Viejo-Gastroenterology in Mission Viejo 92691, Mission Viejo CA and Bhaktasharan C. Patel MD PC in Colorado Springs 80907, Colorado Springs CO. Some of the services provided by the doctor are: Lactose Intolerance,Gastroenteritis,Motility Disorders,Pyloric Stenosis and Thiamin Deficiency etc.
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193 Surgeries & Treatments

pH testing

Chronic inflammatory bowel disease (IBD)

Gastrointestinal (GI) Cancer Screening

Lymphocytic Colitis

Hepatitis

Wilson's Disease
Vomiting

Vitamin Deficiency

Ultrasound, Esophageal

Ultrasound, Endoanal