The 20 Best Irritable Bowel Syndrome (IBS) Doctors Near Me in Oxnard, CA
Find the Top Irritable Bowel Syndrome (IBS) Experts and Specialists
Ventura County Gastroenterology Group
Dr. Karen Simon received her B.A. from Stanford University in 1996. She then attended Northwestern University for medical school. She completed her residency at Cedars-Sinai Medical Center in 2004 and her fellowship at UCLA and Cedars in 2008.Dr. Simon has proudly been serving patients in Ventura County since 2008 and is very involved in field research. Dr. Simon is also a speaker for Exact Sciences on behalf of Cologuard and is actively associated in research studies. She is a part of the Takeda Chloride Channel Council and a speaker for Amitiza, as well.She enjoys educating the doctors and the community as a lecturer on topics such as colorectal cancer screening at St. John's Hospital, where she is also a part of the Ethics Committee.Dr. Simon aims specifically to work with patients to discover the problem and develop a treatment strategy. She has a particular interest in Celiac Disease, Inflammatory Bowel Disease (IBD), and a passion for improving colorectal cancer detection.She is dedicated to developing a relationship with patients by utilizing education and mutual information sharing. Dr. Simon is rated as an Advanced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Swallowing Difficulty, Endoscopy, and Colonoscopy. Dr. Simon is board certified in Internal Medicine (Sub: Gastroenterology). Dr. Simon is currently accepting new patients.
Island View Gastroenterology Associates
Kip Lyche is a Gastroenterologist practicing medicine in Ventura, California. Dr. Lyche is rated as an Advanced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 55 other conditions, according to our data. His clinical expertise encompasses Esophageal Varices, Enlarged Liver, Visceromegaly, Endoscopy, and Colonoscopy. Dr. Lyche is board certified in Gastroenterology. Dr. Lyche is currently accepting new patients.
Island View Gastroenterology Associates
Charles Menz is a Gastroenterologist practicing medicine in Ventura, California. Dr. Menz is rated as an Advanced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Hepatitis C, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrostomy. Dr. Menz is board certified in Gastroenterology-Internal Medicine. Dr. Menz is currently accepting new patients.
Island View Gastroenterology Associates
Benito Pedraza is a Gastroenterologist practicing medicine in Ventura, California. Dr. Pedraza is rated as an Advanced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Gastrointestinal Bleeding, Gastric Dysmotility, Endoscopy, and Gastrectomy. Dr. Pedraza is board certified in Gastroenterology. Dr. Pedraza is currently accepting new patients.
Stephen D. Covington, MD Private Practice
Stephen Covington is a Gastroenterologist practicing medicine in Ventura, California. Dr. Covington is rated as an Advanced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Hepatitis, Hepatitis C, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy. Dr. Covington is board certified in Internal Medicine and Internal Medicine (Sub: Gastroenterology). Dr. Covington is currently accepting new patients.
Ventura County Gastroenterology Group
Dr. Micha Rojany was born and raised in Southern California. He received his undergraduate degree from the University of California, Berkeley. He attended USC Medical School and completed his internship and residency at Cedars-Sinai Medical Center in Los Angeles. His fellowship in Gastroenterology was completed at the University of California, Davis.Dr. Rojany has practiced in Ventura County since 2006 and is an active member of the local medical community and hospital staff at St. John's Regional Medical Center in Oxnard, and Pleasant Valley Hospital, in Camarillo. He enjoys practicing as a Gastroenterologist with special interests in inflammatory bowel disease and biliary tract diseases.As a Gastroenterologist, Dr. Rojany enjoys the depth and breadth of his field. He takes pride in providing excellent care while taking care of his patients and meeting their needs as a community specialist in digestive diseases. Dr. Rojany is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Gastrointestinal Bleeding, Angiodysplasia of the Colon, Endoscopy, and Gastrectomy. Dr. Rojany is board certified in Internal Medicine (Sub: Gastroenterology). Dr. Rojany is currently accepting new patients.
CB Rehab Partners Inc
Gregorio Ruelas is a primary care provider, practicing in Family Medicine in Oxnard, California. Dr. Ruelas is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Apparent Mineralocorticoid Excess, Familial Hyperaldosteronism, and Hyperaldosteronism.
Community Memorial Health System
Paul Cisarik is a primary care provider, practicing in Internal Medicine in Oxnard, California. Dr. Cisarik 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 Fibromyalgia, Giant Cell Arteritis (GCA), Juvenile Temporal Arteritis, and Temporal Arteritis.
Community Memorial Health System
Abraham Orozco is a primary care provider, practicing in Family Medicine in Oxnard, California. Dr. Orozco is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Maturity Onset Diabetes of the Young, Nonsyndromic Hearing Loss, Type 2 Diabetes (T2D), and Hypothyroidism.
County Of Ventura
John Billesdon is a Gastroenterologist practicing medicine in Oxnard, California. Dr. Billesdon is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His clinical expertise encompasses Gastrointestinal Bleeding, Colitis, Viral Gastroenteritis, Endoscopy, and Gastrectomy.
Primary Care & Women's Health - Dignity Health Medical Group - Oxnard, CA
Ramsey Ulrich is a primary care provider, practicing in Internal Medicine in Oxnard, California. Dr. Ulrich is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His clinical expertise encompasses Glossitis, Type 2 Diabetes (T2D), Pernicious Anemia, and Diabetic Nephropathy.
Primary Medical Group Of Ventura County Inc
Edward Banman is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. Banman is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 41 other conditions, according to our data. His clinical expertise encompasses Tietz Syndrome, Costochondritis, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.
Livingston Hospice
Becky Wade is a primary care provider, practicing in Palliative Medicine in Ventura, California. Dr. Wade is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Torticollis, Vitamin B12 Deficiency Anemia, Multiple Carboxylase Deficiency, and Folate Deficiency. Dr. Wade is board certified in Internal Medicine.
Island View Gastroenterology Associates
Joel Alpern is a Gastroenterologist practicing medicine in Ventura, California. Dr. Alpern is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Diarrhea, Endoscopy, and Gastrectomy. Dr. Alpern is board certified in Gastroenterology. Dr. Alpern is currently accepting new patients.
Ventura County Gastroenterology Group
Jay Guan is a Gastroenterologist practicing medicine in Camarillo, California. Dr. Guan is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Hiatal Hernia, Congenital Diaphragmatic Hernia, Colonoscopy, and Gastrectomy. Dr. Guan is board certified in Internal Medicine. Dr. Guan is currently accepting new patients.
Island View Gastroenterology Assoc.
Chetan Gondha is a Gastroenterologist practicing medicine in Ventura, California. Dr. Gondha is rated as an Advanced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Diarrhea, Trichohepatoenteric Syndrome, Endoscopy, and Colonoscopy.
Dignity Health-St. John's Hospital Camarillo-Camarillo, Ca
Benjamin Capper is a primary care provider, practicing in Internal Medicine in Camarillo, California. Dr. Capper is rated as undefined provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His clinical expertise encompasses Major Depression, Type 2 Diabetes (T2D), Hepatitis, and Coronary Heart Disease. Dr. Capper is board certified in Internal Medicine.
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Paul Algra is a primary care provider, practicing in Family Medicine in Camarillo, California. Dr. Algra is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Obesity, High Cholesterol, Multiple Carboxylase Deficiency, and Folate Deficiency.
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Uldine Castel is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. Castel is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Pulmonary Tuberculosis, Tuberculous Meningitis, High Cholesterol, and Papular Urticaria.
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Linda England is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. England is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). Her clinical expertise encompasses Irritable Bowel Syndrome (IBS), Achilles Tendon Rupture, Empyema, and Sinusitis.
Last Updated: 04/28/2026


