The 20 Best Secondary Peritonitis Doctors Near Me in Ventura, CA
Find the Top Secondary Peritonitis Experts and Specialists
Ventura Advanced Surgical Associates
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 Secondary Peritonitis. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Obesity, Malabsorption, Hiatal Hernia, Gastrectomy, and Sleeve Gastrectomy. Dr. Billy is board certified in Surgery General Surgery. Dr. Billy is currently accepting new patients.
Koosha Mortazavi is a Nephrologist practicing medicine in Valencia, California. Dr. Mortazavi is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Nephrosclerosis. Dr. Mortazavi is currently accepting new patients.
Michael M. Salehpour, MD Private Practice
Take care of all aspects of your health. Dr. Salehpour is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Hernia, Retroperitoneal Inflammation, Lump in the Abdomen, Gallbladder Removal, and Hernia Surgery. Dr. Salehpour is board certified in Surgery General Surgery. Dr. Salehpour is currently accepting new patients.
General Surgery Medical Group Of Ventura County
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 Secondary Peritonitis. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Hernia, Gallstones, Choledocholithiasis, Hernia Surgery, and Ileostomy. Dr. Tuai is board certified in Surgery General Surgery. Dr. Tuai is currently accepting new patients.
General Surgery Medical Group Of Ventura County
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 Secondary Peritonitis. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Gallstones, Hernia, Gallbladder Disease, Bladder Reconstruction, and Gallbladder Removal. Dr. Eisner is board certified in Surgery General Surgery. Dr. Eisner is currently accepting new patients.
General Surgery Medical Group Of Ventura County
Patrick Mccarty is a General Surgeon practicing medicine in Oxnard, California. Dr. Mccarty is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Hernia, Gallstones, Choledocholithiasis, Gallbladder Removal, and Endoscopy. Dr. Mccarty is board certified in Surgery General Surgery. Dr. Mccarty is currently accepting new patients.
Community Memorial Hospital
Christopher Mckinney is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. Mckinney is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. His clinical expertise encompasses Sepsis, Apoplexy, Gastrointestinal Bleeding, Endoscopy, and Liver Embolization.
Community Memorial Hospital
Armand Ghaffari is a primary care provider, practicing in Internal Medicine in Ventura, California. Dr. Ghaffari is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Sepsis, Acute Pancreatitis, Childhood Pancreatitis, Endoscopy, and Bone Marrow Aspiration.
Community Memorial Hospital
Lukasz Iwanczyk is a primary care provider, practicing in Geriatrics in Ventura, California. Dr. Iwanczyk is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. His clinical expertise encompasses Sepsis, Pneumonia, Hospital-Acquired Pneumonia, Atypical Pneumonia, and Ureteroscopy.
Community Memorial Hospital
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 Secondary Peritonitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses COVID-19, Apoplexy, Heart Failure with Preserved Ejection Fraction (HFpEF), Endoscopy, and Hip Replacement.
Community Memorial Hospital
Amanda Frugoli is a primary care provider, practicing in Internal Medicine in Ventura, California. Dr. Frugoli is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. Her clinical expertise encompasses Sepsis, Nail-Patella Syndrome, Empyema, Endoscopy, and Ureteroscopy.
Ventura County Medical Center
Clare Donnelly is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. Donnelly is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. Her clinical expertise encompasses Ogilvie Syndrome, Chronic Inflammatory Demyelinating Polyneuropathy, Retroperitoneal Inflammation, and Sepsis.
West Los Angeles VAMC
Sherin Thomas is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. Thomas is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Ascites, Spontaneous Bacterial Peritonitis, Liver Failure, Hepato-Pancreato-Biliary Surgery, and Liver Transplant.
Surgery Center - Dignity Health - Oxnard, CA
Samantha Wu is a General Surgeon practicing medicine in Oxnard, California. She has been practicing medicine for over 10 years. Dr. Wu is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Gallstones, Choledocholithiasis, Gallbladder Disease, and Retroperitoneal Inflammation. Dr. Wu is currently accepting new patients.
Neal P. Dixon, 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. Dixon is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Choledocholithiasis, Hernia, Breast Cancer, Hernia Surgery, and Colostomy. Dr. Dixon is board certified in Surgery General Surgery. Dr. Dixon is currently accepting new patients.
General Surgery 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. Lopresti is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Choledocholithiasis, Gallstones, Gallbladder Disease, Bladder Reconstruction, and Hernia Surgery. Dr. Lopresti is board certified in Surgery General Surgery. Dr. Lopresti is currently accepting new patients.
Sound Physicians
Anukul Roy is a primary care provider, practicing in Internal Medicine in Oxnard, California. Dr. Roy is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Sepsis, Stroke, Peptic Ulcer, Gastrostomy, and Endoscopy. Dr. Roy is board certified in Internal Medicine.
St. John's Regional Medical Center
Henry Yang is a primary care provider, practicing in Internal Medicine in Oxnard, California. Dr. Yang is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Sepsis, Croup, Venous Insufficiency, Gastrostomy, and Endoscopy.
St. John's Regional Medical Center
Eric Abkian is a primary care provider, practicing in Internal Medicine in Oxnard, California. Dr. Abkian is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Familial Neurocardiogenic Syncope, Acute Kidney Failure, Rhabdomyolysis, Endoscopy, and Gastrostomy.
Last Updated: 04/28/2026






