The 20 Best Irritable Bowel Syndrome (IBS) Doctors Near Me in Upland, CA
Find the Top Irritable Bowel Syndrome (IBS) Experts and Specialists
Ct Hung MD Inc.
Chuang-ti Hung is a Gastroenterologist practicing medicine in Upland, California. Dr. Hung is rated as a Distinguished provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 47 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Trichohepatoenteric Syndrome, Hemorrhoids, Gastrectomy, and Gastrostomy.
Basim Z. Abdelkarim, M.D., Inc.
Basim Abdelkarim is a Gastroenterologist practicing medicine in Upland, California. He has been practicing medicine for over 27 years. Dr. Abdelkarim is rated as a Distinguished provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 67 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Hemorrhoids, Gastroesophageal Reflux Disease (GERD), Gastrostomy, and Endoscopy. Dr. Abdelkarim is board certified in American Board Of Internal Medicine.
Kevin Jenkins, Do, Inc.
Kevin Jenkins is an Internal Medicine provider practicing medicine in Upland, California. He has been practicing medicine for over 53 years. Dr. Jenkins is rated as a Distinguished provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Diverticular Disease, Hemorrhoids, Gastrectomy, and Gastrostomy. Dr. Jenkins is board certified in American Osteopathic Board Of Internal Medicine.
Andrea S Tieng MD, Inc
Dr. Andrea Tieng was born and raised in New York City. She graduated Summa Cum Laude from the City University of New York and completed her medical degree at the State University of New York Health Science Center at the SUNY Downstate College of Medicine in Brooklyn, New York.Her internship and residency in Internal Medicine was completed at the Albert Einstein College of Medicine at Long Island Jewish Medical Center in New Hyde Park, New York, where she also fulfilled her Gastroenterology and Hepatology Fellowship.Board Certified by the American Board of Internal Medicine, Dr. Tieng is licensed to practice in both California and New York. She is a member of the American College of Gastroenterology and the American Gastroenterology Association.Prior to founding her own practice in Redlands and San Bernardino, Dr. Tieng worked as a private gastroenterologist at Cedars-Sinai Medical Center in Los Angeles.Dr. Tieng specializes in providing sensitive and compassionate care to women, and delivers personalized care to all patients 18 years and older. Dr. Tieng is a board certified physician who treats patients with gastrointestinal illnesses and liver diseases. She utilizes innovative technology to perform diagnostic and therapeutic procedures of the gastrointestinal tract, including colonoscopy and upper endoscopy. Dr. Tieng is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Diverticular Disease, Familial Adenomatous Polyposis, Gastritis, Gastrectomy, and Endoscopy. Dr. Tieng is board certified in Internal Medicine. Dr. Tieng is currently accepting new patients.
Ravinder Singh, Md, Inc.
Ravinder Singh is a primary care provider, practicing in Family Medicine in Upland, California. He has been practicing medicine for over 27 years. Dr. Singh is rated as an Advanced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 108 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, Liver Transplant, and Knee Replacement. Dr. Singh is board certified in American Board Of Family Medicine.
Chaparral Medical Group Inc.
Nischita Merla is a Gastroenterologist practicing medicine in Upland, California. Dr. Merla is rated as an Advanced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). She is also highly rated in 36 other conditions, according to our data. Her clinical expertise encompasses Attenuated Familial Adenomatous Polyposis, Cronkhite-Canada Disease, Juvenile Polyposis Syndrome, Endoscopy, and Gastrostomy.
Office
Sudhir Reddy is an Internal Medicine provider practicing medicine in Chino, California. Dr. Reddy is rated as a Distinguished provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Gastroesophageal Reflux Disease (GERD), Hemorrhoids, Gastrostomy, and Endoscopy.
S. M. Hammad Rizvi, M.D., Inc.
Syed Rizvi is a primary care provider, practicing in Family Medicine in Upland, California. He has been practicing medicine for over 25 years. Dr. Rizvi is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Hypertensive Heart Disease, Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, Gastrostomy, and Endoscopy. Dr. Rizvi is board certified in American Board Of Family Medicine.
Romeo Samouh MD Inc.
Romeo Samouh is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Samouh is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His clinical expertise encompasses Acrospiroma, Maturity Onset Diabetes of the Young, Vitamin D Deficiency, and Marie Unna Congenital Hypotrichosis.
Basim Z. Abdelkarim, M.D., Inc.
Priyanka Yaramada is a Gastroenterologist practicing medicine in Upland, California. She has been practicing medicine for over 18 years. Dr. Yaramada is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses Anemia, Diverticular Disease, Hemorrhoids, Gastrectomy, and Gastrostomy. Dr. Yaramada is board certified in American Board Of Internal Medicine.
Cucamonga Valley Medical Group, Inc.
Muhammad Mowjood is a primary care provider, practicing in Family Medicine in Upland, California. He has been practicing medicine for over 26 years. Dr. Mowjood is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Obesity, Methylmalonic Acidemia with Homocystinuria, Hypermethioninemia, and Sulfite Oxidase Deficiency. Dr. Mowjood is board certified in American Osteopathic Board Of Family Practice.
Susan Biegel MD Inc.
Susan Biegel is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Biegel is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). She is also highly rated in 29 other conditions, according to our data. Her clinical expertise encompasses Sitosterolemia, Vitamin D Deficiency, Hypervitaminosis D, and High Cholesterol.
Michael Chai MD Inc.
Michael Chai is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Chai is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Necrotizing Vasculitis, Small Cell Lung Cancer (SCLC), Lung Cancer, Myringotomy, and Gastrostomy.
Wendy Rashidi is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Rashidi is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). Her clinical expertise encompasses Nephrosclerosis, Renovascular Hypertension, Homocystinuria, and Methylmalonic Acidemia with Homocystinuria.
Inland Family Healthcare Centers Inc.
Rick Hirsch is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Hirsch is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Multiple Myeloma, Glucocorticoid-Remediable Aldosteronism, Hypertension, Bone Marrow Aspiration, and Gastrostomy.
Premiere Medical Group Of California
Ythanh Nguyen is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). She is also highly rated in 26 other conditions, according to our data. Her clinical expertise encompasses Peptic Ulcer, Sepsis, Necrosis, Endoscopy, and Colonoscopy.
Inland Cardiology Heart Failure Clinic
Dwight Goddard is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Goddard is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His clinical expertise encompasses Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Gastroesophageal Reflux Disease (GERD).
Armour, Richard L., D.O.
Richard Armour is a primary care provider, practicing in Family Medicine in Upland, California. He has been practicing medicine for over 37 years. Dr. Armour is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Inborn Amino Acid Metabolism Disorder, Osteomyelitis in Children, Bronchiolitis Obliterans, and Industrial Bronchitis. Dr. Armour is board certified in American Osteopathic Board Of Family Practice.
Grove Internal Medicine, Inc.
Sean To is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. He has been practicing medicine for over 28 years. Dr. To is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Type 2 Diabetes (T2D), High Cholesterol, and Familial Hypertension.
Premier Family Medicine Associates, Inc
Snezana Begovic is a primary care provider, practicing in Family Medicine in Claremont, California. She has been practicing medicine for over 35 years. Dr. Begovic is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Amenorrhea, Obesity, Obesity in Children, Asthma in Children, and Intrauterine Device Insertion. Dr. Begovic is board certified in American Board Of Family Medicine.
Last Updated: 04/28/2026
