Duke Nguyen is a Gastroenterologist in Fountain Valley, California. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Irritable Bowel Syndrome (IBS), Gastroesophageal Reflux Disease (GERD), Gastritis, Gastrectomy, and Colonoscopy.

Kashyap Trivedi is a Gastroenterologist in Los Alamitos, California. Dr. Trivedi is rated as an Advanced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Hemorrhagic Proctocolitis, Ulcerative Colitis, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Gastrectomy.

Ashish Chogle is a Pediatric Gastroenterologist in Orange, California. Dr. Chogle is rated as a Distinguished provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Irritable Bowel Syndrome (IBS), Hirschsprung Disease, Total Intestinal Aganglionosis, and Mast Cell Activation Syndrome (MCAS). Dr. Chogle is currently accepting new patients.

Richard Quist is a Gastroenterologist in Newport Beach, California. Dr. Quist is rated as a Distinguished provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Diverticular Disease, Colonoscopy, and Gastrectomy.

Dr. Farhad Nassiri Afshar is a board-certified internist based in Irvine, California and founder of Afshar Medical Group. With more than 20 years of experience caring for adults in hospitals and outpatient clinics, he provides comprehensive primary care with a focus on heart disease prevention, hypertension, diabetes, dyslipidemia, obesity, thyroid disorders, and chronic kidney disease.Dr. Nassiri Afshar earned his medical degree from Tehran University of Medical Sciences and completed his Internal Medicine residency at the University of British Columbia in Vancouver, Canada. His background includes work as a general practitioner and hospitalist, managing complex patients with coronary artery disease, heart failure, stroke, venous thromboembolism, and sleep apnea.At Afshar Medical Group in Irvine, he combines evidence-based medicine with lifestyle counseling and modern digital tools, including telehealth and advanced analytics, to deliver convenient, high-quality care. He emphasizes clear communication, preventive strategies, and long-term partnerships with his patients to help them live healthier, longer, and more active lives. Dr. Nassiri Afshar is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are High Cholesterol, Hypertension, Asthma, and Type 2 Diabetes (T2D).

Hung Quach is a Pediatrics specialist and a Neonatologist in Westminster, California. Dr. Quach is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top area of expertise is Irritable Bowel Syndrome (IBS).

David Shek is a primary care provider, practicing in Family Medicine and General Practice in Westminster, California. Dr. Shek is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Obesity in Children, Obesity, Abdominal Obesity Metabolic Syndrome, and Type B Insulin Resistance Syndrome.

Anh Tran is a primary care provider, practicing in Internal Medicine in Westminster, California. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). Her top areas of expertise are High Cholesterol, Osteomyelitis in Children, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Tran is currently accepting new patients.

Thuan Vo is a primary care provider, practicing in Internal Medicine in Westminster, California. Dr. Vo is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Parinaud Oculoglandular Syndrome, Tracheitis, Sitosterolemia, Gastrostomy, and Colonoscopy.

Paul Johnson is a primary care provider, practicing in Family Medicine in Garden Grove, California. Dr. Johnson is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Tomaculous Neuropathy, Andermann Syndrome, Sensorimotor Polyneuropathy, and Septic Arthritis.

Theresa Nguyen is a primary care provider, practicing in Internal Medicine in Westminster, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). Her top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, Thrombectomy, and Embolectomy. Dr. Nguyen is currently accepting new patients.

Nahla Salem is a primary care provider, practicing in Family Medicine in Huntington Beach, California. Dr. Salem is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). Her top areas of expertise are Acute Cystitis, Otitis, Cellulitis, and Urinary Tract Infection in Children. Dr. Salem is currently accepting new patients.

Mary Tran is a primary care provider, practicing in Family Medicine in Garden Grove, California. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). Her top areas of expertise are Tension Headache, Cyclic Neutropenia, Swallowing Difficulty, Gastrostomy, and Hemorrhoidectomy.

Syam Gaddam is a Gastroenterologist in Garden Grove, California. Dr. Gaddam is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Hepatitis, Painful Swallowing, Swallowing Difficulty, Gastrostomy, and Gastrectomy. Dr. Gaddam is currently accepting new patients.

Christopher Bui is a Gastroenterologist in Santa Ana, California. Dr. Bui is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Hepatitis, Gastroesophageal Reflux Disease (GERD), Jaundice, Gastrectomy, and Gastrostomy.

Au-co Nguyen is a primary care provider, practicing in Family Medicine and Geriatrics in Huntington Beach, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). Her top areas of expertise are High Cholesterol, Vitamin D Deficiency, Macroamylasemia, and Hypothyroidism.

Joseph Nassir is a primary care provider, practicing in Internal Medicine in Huntington Beach, California. Dr. Nassir is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Acute Kidney Failure, Sepsis, Urinary Tract Infection in Children, Gastrostomy, and Hernia Surgery.

Catherine Marks is a primary care provider, practicing in Family Medicine in Anaheim, California. Dr. Marks is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). Her top areas of expertise are Sitosterolemia, Macroamylasemia, High Cholesterol, and Asthma in Children. Dr. Marks is currently accepting new patients.

Tahmina Haq is a Gastroenterologist in Anaheim, California. Dr. Haq is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). Her top areas of expertise are Chronic Erosive Gastritis, Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Gastrostomy, and Gastrectomy. Dr. Haq is currently accepting new patients.

David Truong is a Gastroenterologist in Fountain Valley, California. Dr. Truong is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Gastrointestinal Bleeding, Indigestion, Jaundice, Gastrostomy, and Gastrectomy.