Dr. Billy is the leading Lap-Band, laparoscopic gastric bypass and laparoscopic gastric sleeve surgeon in Ventura and Santa Barbara County. Dr. Billy relocated his practice to Ventura in July of 2002. Prior to that he had established himself as one of the premier laparoscopic surgeons in the Sacramento and Sierra Nevada region of Northern California. Dr. Billy was instrumental in developing the bariatric surgery centers at Sutter General Hospital and Sutter Roseville Medical Centers. He is currently director of Bariatric Surgery at St. John's Regional Medical Center, a recognized bariatric Center of Excellence by the Surgery Review Committee, Medicare, Blue Cross, Blue Shield and Health Net. St. Johns Regional Medical Center is located in Oxnard California. Dr. Billy also serves as the Medical Director of the Community Memorial Hospital, a Surgical Review Corporation accredited Bariatric Center of Excellence, located in Ventura, California. Dr. Billy obtained his undergraduate degree in Molecular Biology at the University of California, Berkeley. He subsequently received his medical degree at the University of California, Davis School of Medicine. Dr. Billy received additional training in the techniques of the Lap-Band system prior to its release by the FDA in 2001. He is actively involved as a teaching faculty member for placement of the Lap-Band® system and has educated and proctored dozens of surgeons throughout the west as part of their educational training. Dr. Billy has been a faculty member at numerous national educational events and surgeon training workshops. He has been a featured speaker at the annual meeting of the American Society of Metabolic and Bariatric Surgery and was a contributing author on the recently released SAGES Bariatric Surgery Manual published by the Society of American Gastrointestinal and Endoscopic Surgeons. Dr. Billy has an international reputation and has lectured and taught principles of bariatric surgery in Mexico, Taiwan and India.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.In May 2022 Dr. Billy was elected to the American Society for Metabolic and Bariatric Surgery Council, the largest and most prestigious National Society for metabolic and bariatric surgery.The executive council consists of 8 ASMBS members who represent the leadership of the National Society.The vision of the society is to improve public health and well being by lessening the burden of the disease of obesity and related diseases throughout the world. Dr. Billy is rated as an Experienced provider by MediFind in the treatment of Malnutrition. His top areas of expertise are Obesity, Malabsorption, Hiatal Hernia, Gastrectomy, and Sleeve Gastrectomy.

Dr. Eisner attended medical school at New York University after receiving his undergraduate degree in Integrative Biology at U.C. Berkeley. He completed his General Surgery residency at U.C. San Diego. Dr. Eisner is a board eligible general surgeon with extensive experience in general surgical procedures including gastrointestinal (esophageal, stomach, small intestine, colon, rectal and anus), esophageal reflux, hernia (inguinal, umbilical, and ventral), skin and soft tissue (skin cancer and melanoma, lipoma, pilonidal), breast (benign and cancer) with advanced laparoscopic, minimally invasive, endoscopic, and robotic surgery skills.  As the newest member of our surgical team and a Southern California native, Dr. Eisner spends his off time surfing, rock climbing, and hiking. He is conversant in Spanish and fluent in French. Dr. Eisner is rated as an Experienced provider by MediFind in the treatment of Malnutrition. His top areas of expertise are Gallstones, Hernia, Gallbladder Disease, Bladder Reconstruction, and Gallbladder Removal.

Kooros Samadzadeh is a primary care provider, practicing in Internal Medicine in Ventura, California. Dr. Samadzadeh is rated as an Experienced provider by MediFind in the treatment of Malnutrition. His top areas of expertise are COVID-19, Apoplexy, Heart Failure with Preserved Ejection Fraction (HFpEF), Endoscopy, and Hip Replacement.

Puneet Khandelwal is a primary care provider, practicing in Internal Medicine in Ventura, California. Dr. Khandelwal has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Malnutrition. His top areas of expertise are Sepsis, Peptic Ulcer, Necrosis, Endoscopy, and Gastrostomy.

Anya Consiglio is a primary care provider, practicing in Internal Medicine in Ventura, California. Dr. Consiglio is rated as an Experienced provider by MediFind in the treatment of Malnutrition. Her top areas of expertise are COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), Urinary Tract Infection in Children, and Urinary Tract Infection (UTI).

Emelia Perez is a primary care provider, practicing in Family Medicine and Geriatrics in Ventura, California. Dr. Perez is rated as an Experienced provider by MediFind in the treatment of Malnutrition. Her top areas of expertise are Type 2 Diabetes (T2D), Osteomyelitis in Children, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

Gregorio Ruelas is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. Ruelas is rated as an Experienced provider by MediFind in the treatment of Malnutrition. His top areas of expertise are Type 2 Diabetes (T2D), Apparent Mineralocorticoid Excess, Familial Hyperaldosteronism, and Hyperaldosteronism.

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

Charles Menz is a Gastroenterologist in Ventura, California. Dr. Menz is rated as an Experienced provider by MediFind in the treatment of Malnutrition. His top areas of expertise are Familial Adenomatous Polyposis, Hepatitis C, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrostomy. Dr. Menz is currently accepting new patients.

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. Vicente is rated as an Experienced provider by MediFind in the treatment of Malnutrition. Her top areas of expertise are Type 2 Diabetes (T2D), Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

Sherilyn Wheaton is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. Wheaton is rated as an Experienced provider by MediFind in the treatment of Malnutrition. Her top areas of expertise are Papular Urticaria, Erectile Dysfunction (ED), Persistent Genital Arousal Disorder, and Autoerythrocyte Sensitivity.

Adam Sherman is a primary care provider, practicing in Family Medicine in Oxnard, California. Dr. Sherman is rated as an Experienced provider by MediFind in the treatment of Malnutrition. His top areas of expertise are Decerebrate Posture, Decorticate Posture, Scabies, and Waldenstrom Macroglobulinemia.

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 Malnutrition. His top areas of expertise are Fibromyalgia, Giant Cell Arteritis (GCA), Juvenile Temporal Arteritis, and Temporal Arteritis.

Helen Petroff is a primary care provider, practicing in Family Medicine in Ojai, California. Dr. Petroff is rated as an Experienced provider by MediFind in the treatment of Malnutrition. Her top areas of expertise are Obesity in Children, Hypothyroidism, Chronic Cough, and Familial Hypertension.

Maria Halvorson is a primary care provider, practicing in Family Medicine in Ojai, California. Dr. Halvorson is rated as an Experienced provider by MediFind in the treatment of Malnutrition. Her top areas of expertise are Hypothyroidism, Obesity in Children, Vertigo, and Hypertension.

Mary Dial is a primary care provider, practicing in Family Medicine in Ojai, California. Dr. Dial is rated as an Experienced provider by MediFind in the treatment of Malnutrition. Her top areas of expertise are Myotonic Dystrophy Type 2, Myotonic Dystrophy, Paramyotonia Congenita, and High Cholesterol.

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 Malnutrition. His top areas of expertise are Hereditary Ataxia, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Hypertension, and Familial Hypertension.