The 20 Best Diarrhea Doctors Near Me in Camarillo, CA
Find the Top Diarrhea 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 Diarrhea. 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.
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 Diarrhea. 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.
Calvin C. Lin, MD Private Practice
Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Obesity in Children, Viral Gastroenteritis, Diarrhea, and Autism Spectrum Disorder. Dr. Lin is board certified in Pediatrics. Dr. Lin is currently accepting new patients.
Laya Nasrollah is a Gastroenterologist practicing medicine in Camarillo, California. Dr. Nasrollah is rated as an Advanced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 35 other conditions, according to our data. Her clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Diarrhea, Endoscopy, and Gastrectomy. Dr. Nasrollah is currently accepting new patients.
Primary Care & Specialty Care - Dignity Health Medical Group - Camarillo, CA
I treat every patient as if they are my family or friends. I listen to my patients and treat them with the utmost respect, dedication, and commitment that I show my family and loved ones, putting their best health interests first. I treat the patient, not just a symptom or an ailment. I do my best to preserve the trust my patients place in me. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, Bone Graft, and Vertebroplasty. Dr. Patel 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 Diarrhea. 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.
Afrouz S. Gerayli, MD Private Practice
Afrouz Gerayli is a primary care provider, practicing in Internal Medicine in Camarillo, California. Dr. Gerayli is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 22 other conditions, according to our data. Her clinical expertise encompasses Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Degos Disease. Dr. Gerayli is board certified in Internal Medicine. Dr. Gerayli is currently accepting new patients.
Ventura County Gastroenterology Group
Justin Marasigan is a Gastroenterologist practicing medicine in Oxnard, California. Dr. Marasigan is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Gastrectomy, and Colonoscopy. Dr. Marasigan is board certified in American Os Bd Internal Medicine and American Os Bd Internal Medicine (Sub: Gastroenterlogy). Dr. Marasigan is currently accepting new patients.
Lilia Fernandez Coppa MD Inc.
Our bilingual Pediatric Office is a friendly, patient-oriented environment to foster your children's healthy development. We promote health and happiness by treating the individual as a whole, emphasizing nutrition, prevention, and health education. Dr. Coppa has many years of qualified experience treating babies, toddlers, children and adolescents. As a mother herself, she relates first hand with parent issues both for stay at home as well as working parents. Communication is essential to the heart of our practice. We speak Spanish to better serve our Latino patients. Please visit the website for more information. Dr. Coppa is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Obesity in Children, Autism Spectrum Disorder, Croup, and Roseola. Dr. Coppa is board certified in Pediatrics. Dr. Coppa is currently accepting new patients.
Jocelyn Napod is a primary care provider, practicing in Internal Medicine in Camarillo, California. Dr. Napod is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Premature Ovarian Failure, Chronic Cough, Infertility, and Vertigo.
Christopher D. Arnold, DO Private Practice
Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Arnold is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, High Cholesterol, Hypertension, and Familial Hypertension. Dr. Arnold is board certified in Family Medicine. Dr. Arnold is currently accepting new patients.
Community Memorial Urgent Care
Brian Santini is a primary care provider, practicing in Internal Medicine in Camarillo, California. Dr. Santini is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Hereditary Ataxia, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.
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Kellie Zaylor is a primary care provider, practicing in Family Medicine in Camarillo, California. Dr. Zaylor is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Shingles, Chronic Cough, Vertigo, and Tracheitis.
Community Memorial Urgent Care
Marc Wright is a primary care provider, practicing in Family Medicine in Camarillo, California. He has been practicing medicine for over 18 years. Dr. Wright is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Chronic Cough, Uvulitis, Ludwig Angina, and Vertigo.
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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 Diarrhea. 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.
California Healthfirst Physicians
Mark Stokols is a primary care provider, practicing in Internal Medicine in Camarillo, California. Dr. Stokols is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Chronic Cough, Vertigo, Glucocorticoid-Remediable Aldosteronism, and Hypertension.
Magnolia Family Medical Center
Dipti Sagar is a Gastroenterologist practicing medicine in Oxnard, California. Dr. Sagar is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Familial Colorectal Cancer, DICER1 Syndrome, Diverticular Disease, Hepatitis, and Endoscopy. Dr. Sagar is board certified in Gastroenterology-Internal Medicine. Dr. Sagar is currently accepting new patients.
California Coast Physicians, Inc
Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Fields is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Postmenopausal Osteoporosis, Osteoporosis, Insomnia, and Glucocorticoid-Remediable Aldosteronism. Dr. Fields is board certified in Internal Medicine. Dr. Fields is currently accepting new patients.
Spanish Hills Medical Group
Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Pleitez is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses Obesity, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Pleitez is board certified in Family Medicine. Dr. Pleitez is currently accepting new patients.
Community Memorial Health System
Erin Bergeron is a primary care provider, practicing in Family Medicine in Oxnard, California. Dr. Bergeron is rated as an Advanced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 28 other conditions, according to our data. Her clinical expertise encompasses Food Allergy, Obesity in Children, Chronic Obstructive Pulmonary Disease (COPD), and Lung Metastases.
Last Updated: 04/28/2026






