The 20 Best Gastrectomy Doctors near Thousand Oaks, CA
Find the Experts and Specialists who perform Gastrectomy
University Bariatrics
Telehealth visits are available.Dr. Mehran's practice is devoted to minimally invasive general and bariatric surgery. The name University Bariatrics reflects his goal of combining the integrity & values of his past academic career, with a new private practice focus on serving the community around him. Dr. Mehran is board certified in surgery and licensed in California. He is a member of multiple surgical societies and has served as a consultant for various regulatory agencies, surgical journals, the media, and the medical industry. In recognition of his dedication and efforts, his peers have repeatedly elected him to the Southern California Super Doctors list. Dr. Mehran has contributed to over 160 publications and presentations and has mentored numerous fellows, residents, and medical students. He currently serves as the Chief of Surgery at Los Robles Medical Center. Much more information can be obtained by visiting the practice website. Dr. Mehran is rated as an Experienced provider by MediFind in Gastrectomy. His clinical expertise encompasses Ogilvie Syndrome, Retroperitoneal Inflammation, Gallstones, Sleeve Gastrectomy, and Gastrectomy. Dr. Mehran is board certified in Surgery General Surgery. Dr. Mehran 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 Advanced provider by MediFind in Gastrectomy. 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.
Alister A George, MD
Alister George is a Gastroenterologist practicing medicine in Thousand Oaks, California. Dr. George is rated as an Advanced provider by MediFind in Gastrectomy. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Esophagitis, Gastroesophageal Reflux Disease (GERD), Gastric Dysmotility, Endoscopy, and Colonoscopy.
Gregory H Johnson MD Inc
Gregory Johnson is a Gastroenterologist practicing medicine in Thousand Oaks, California. Dr. Johnson is rated as an Advanced provider by MediFind in Gastrectomy. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Diarrhea, Trichohepatoenteric Syndrome, Gastrectomy, and Endoscopy.
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 Experienced provider by MediFind in Gastrectomy. 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.
Conejo Valley Vascular Associates
Trung Bui is a Vascular Surgeon practicing medicine in Thousand Oaks, California. Dr. Bui is rated as an Experienced provider by MediFind in Gastrectomy. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Idiopathic Edema, Varicose Veins, Necrosis, Carotid Artery Surgery, and Gastrostomy. Dr. Bui is currently accepting new patients.
Lauren A Poliakin MD
Lauren Poliakin is a General Surgeon practicing medicine in Thousand Oaks, California. Dr. Poliakin is rated as an Experienced provider by MediFind in Gastrectomy. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Obesity, Hernia, Retroperitoneal Inflammation, Gastric Bypass, and Gallbladder Removal. Dr. Poliakin is currently accepting new patients.
Shahram Daneshgar, MD
Shahram Daneshgar is a Gastroenterologist practicing medicine in Thousand Oaks, California. Dr. Daneshgar is rated as an Experienced provider by MediFind in Gastrectomy. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Esophagitis, Endoscopy, and Gastrectomy.
UCLA Heart And Vascular Services
Michael Albertson is a Gastroenterologist practicing medicine in Thousand Oaks, California. Dr. Albertson is rated as an Experienced provider by MediFind in Gastrectomy. His clinical expertise encompasses Swallowing Difficulty, Painful Swallowing, Irritable Bowel Syndrome (IBS), Endoscopy, and Gastrectomy.
Office
Rimma Shaposhnikov is a Gastroenterologist practicing medicine in Westlake Village, California. Dr. Shaposhnikov is rated as an Experienced provider by MediFind in Gastrectomy. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Endoscopy, and Gastrectomy.
Cristina S. Wiese. M.D. Inc.
Cristina Wiese is a Gastroenterologist practicing medicine in Thousand Oaks, California. Dr. Wiese is rated as an Experienced provider by MediFind in Gastrectomy. She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses Gastric Dysmotility, Familial Adenomatous Polyposis, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Endoscopy.
Thousand Oaks Primary & Specialty Care
Hamed Nayeb is a Gastroenterologist practicing medicine in Thousand Oaks, California. Dr. Nayeb is rated as an Experienced provider by MediFind in Gastrectomy. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Gastrectomy.
Laya Nasrollah is a Gastroenterologist practicing medicine in Camarillo, California. Dr. Nasrollah is rated as an Experienced provider by MediFind in Gastrectomy. 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.
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 Gastrectomy. 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.
Moe Amadpour, Md. Inc
Moe Amadpour is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Simi Valley, California. He has been practicing medicine for over 33 years. Dr. Amadpour is rated as an Advanced provider by MediFind in Gastrectomy. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Esophagitis, Acute Pancreatitis, Diverticular Disease, Gastrectomy, and Colonoscopy. Dr. Amadpour is board certified in American Board Of Internal Medicine.
Gastroenterology & Hepatology Specialists Inc.
Mayur Trivedi is a Gastroenterologist practicing medicine in Simi Valley, California. Dr. Trivedi is rated as an Advanced provider by MediFind in Gastrectomy. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Gastrointestinal Bleeding, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Colonoscopy.
Genesis Healthcare Partners
Cyrus Badii is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Agoura Hills, California. He has been practicing medicine for over 36 years. Dr. Badii is rated as an Experienced provider by MediFind in Gastrectomy. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Hiatal Hernia, Congenital Diaphragmatic Hernia, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Gastrostomy. Dr. Badii is board certified in American Board Of Internal Medicine.
Brian J Supple, MD
Brian Supple is a General Surgeon practicing medicine in Newbury Park, California. Dr. Supple is rated as an Experienced provider by MediFind in Gastrectomy. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Hernia, Delirium, Ogilvie Syndrome, Hernia Surgery, and Small Bowel Resection. Dr. Supple is currently accepting new patients.
Daniel K Davis MD Inc
Andrea Pakula is a General Surgeon practicing medicine in Simi Valley, California. Dr. Pakula is rated as an Experienced provider by MediFind in Gastrectomy. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Hernia, Gallstones, Choledocholithiasis, Sleeve Gastrectomy, and Small Bowel Resection.
Simi Workplace Multi-Specialty Clinic Inc
Anna Skay is a Gastroenterologist practicing medicine in Simi Valley, California. Dr. Skay is rated as an Experienced provider by MediFind in Gastrectomy. Her clinical expertise encompasses Hemorrhoids, Familial Adenomatous Polyposis, Gardner Syndrome, Colonoscopy, and Gastrectomy.
Last Updated: 04/28/2026


