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. Banta is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Inflammatory Breast Cancer, Essential Thrombocythemia, Angiosarcoma, and Evans Syndrome.

David Masiello is a Hematologist in Oxnard, California. Dr. Masiello is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Inflammatory Breast Cancer, Angiosarcoma, Paget Disease of the Breast, and Breast Cancer. Dr. Masiello is currently accepting new patients.

Austin Ma is an Oncologist in Oxnard, California. Dr. Ma is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Inflammatory Breast Cancer, Angiosarcoma, Breast Cancer, and Paget Disease of the Breast. Dr. Ma is currently accepting new patients.

Rahul Naik is an Oncologist in Oxnard, California. Dr. Naik is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Thrombocytopenia, Essential Thrombocythemia, Acute Mountain Sickness, and HER-2 Positive Breast Cancer. Dr. Naik is currently accepting new patients.

Byung Lee is a Hematologist in Oxnard, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Inflammatory Breast Cancer, Angiosarcoma, Anemia, and Paget Disease of the Breast. Dr. Lee is currently accepting new patients.

Dr. Tuai attended Ohio State University, College of Medicine after he received his Undergraduate Degree in Biochemistry at UC Davis in 1992. He completed his general surgery residency at UC San Francisco/Fresno, where he spent a year as a clinical instructor in the Department of Surgery, before beginning a private practice in Chino. He joined the Group in December, 2004.Dr. Tuai is a Board Certified surgeon and a Fellow of the American College of Surgeons who has extensive experience with advanced laparoscopic and minimally invasive techniques including robotic surgery.Dr. Tuai's passion is minimally invasive surgeries, especially involving the colon, stomach, gall bladder, and hernias. He is fluent in Mandarin Chinese and Korean.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. Tuai is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Hernia, Gallstones, Choledocholithiasis, Hernia Surgery, and Ileostomy.

William King is a Radiologist in Oxnard, California. Dr. King is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Progressive Familial Intrahepatic Cholestasis Type 1, Progressive Familial Intrahepatic Cholestasis Type 2, Progressive Familial Intrahepatic Cholestasis Type 3, and Visceromegaly.

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. Lopresti is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Choledocholithiasis, Gallstones, Gallbladder Disease, Bladder Reconstruction, and Hernia Surgery.

Wallace (vcmc) is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. (vcmc) is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Gastrointestinal Stromal Tumor, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and Rabson-Mendenhall Syndrome. Dr. (vcmc) is currently accepting new patients.

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 the treatment of Gastrointestinal Stromal Tumor. Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Painful Swallowing, Endoscopy, and Colonoscopy.

Karim Jreije is a General Surgeon in Ventura, California. Dr. Jreije has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Gallbladder Adenocarcinoma, Gallbladder Disease, Appendicitis, Sleeve Gastrectomy, and Gastrectomy. Dr. Jreije is currently accepting new patients.

Kip Lyche is a Gastroenterologist in Ventura, California. Dr. Lyche is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Esophageal Varices, Enlarged Liver, Visceromegaly, Endoscopy, and Colonoscopy. Dr. Lyche is currently accepting new patients.

Evan Slater is an Oncologist in Ventura, California. Dr. Slater is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Inflammatory Breast Cancer, Gastrointestinal Stromal Tumor, Follicular Lymphoma, and Paget Disease of the Breast.