Dr. Guo uses both endovascular and open vascular techniques to achieve the best outcome possible for his patients. He is board certified by the American Board of Surgery for both Vascular Surgery and General Surgery.Dr. Guo has spent time on both coasts. He received his undergraduate degree from the University of Pennsylvania with Magna cum Laude distinction, and graduated Alpha Omega Alpha (top 10% of class) from the New York University School of Medicine in 1997. He then trained extensively at UCLA School of Medicine, completing his internship, General Surgery residency, as well as a research fellowship in Molecular Endocrinology. Subsequently, he completed a clinical and research fellowship in Vascular Surgery also at UCLA School of Medicine in 2006. In addition to his medical interests he is an avid amateur violinist, playing on his Gagliano violin made in the year 1770. He also is fluent in Mandarin and Fukinese.Our mission is to provide the highest level of overall service, vascular care and optimal therapy to our patients and our community. Communication, accountability and reliability are the cornerstone for building these strong relationships. Dr. Guo is rated as an Experienced provider by MediFind in the treatment of Mesenteric Artery Ischemia. His top areas of expertise are End-Stage Renal Disease (ESRD), Gangrene, Varicose Veins, Carotid Artery Disease, and Carotid Artery Surgery.

Christopher Skillern is a Vascular Surgeon in Ventura, California. Dr. Skillern is rated as an Experienced provider by MediFind in the treatment of Mesenteric Artery Ischemia. His top areas of expertise are Carotid Artery Disease, Arterial Embolism, End-Stage Renal Disease (ESRD), Varicose Veins, and Carotid Artery Surgery. Dr. Skillern is currently accepting new patients.

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 Mesenteric Artery Ischemia. His top areas of expertise are Obesity, Malabsorption, Hiatal Hernia, Gastrectomy, and Sleeve Gastrectomy.

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 Mesenteric Artery Ischemia. His top areas of expertise are Hernia, Gallstones, Choledocholithiasis, Hernia Surgery, and Ileostomy.

Patrick Mccarty is a General Surgeon in Oxnard, California. Dr. Mccarty is rated as an Experienced provider by MediFind in the treatment of Mesenteric Artery Ischemia. His top areas of expertise are Hernia, Gallstones, Choledocholithiasis, Gallbladder Removal, and Endoscopy. Dr. Mccarty is currently accepting new patients.

Dr. Lisa Babashoff is Board Certified in General Surgery and a Fellow of the American College of Surgeons. She has been in practice in the Ventura County area since the year 2000. She completed her undergraduate work at UCLA, attended Chicago Medical School, and went on to complete her general surgery residency at UC San Francisco/Fresno. Dr. Babashoff is the ​​Director of the Integrated Breast Center at St. John’s Regional Medical Center. She brings a broad range of general surgery experience to the Group, including a focus on breast and laparoscopic surgery. She is conversant in the Spanish language. Dr. Babashoff is a member of the American Society of Breast Surgeons and serves on the Board at the Integrative Breast Center at St. John’s Regional Medical Center as the Designated Breast Surgeon.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. Babashoff is rated as an Experienced provider by MediFind in the treatment of Mesenteric Artery Ischemia. Her top areas of expertise are Intraductal Papilloma, Angiosarcoma, Inflammatory Breast Cancer, Hernia Surgery, and Colostomy.

Stephen Covington is a Gastroenterologist in Ventura, California. Dr. Covington is rated as an Experienced provider by MediFind in the treatment of Mesenteric Artery Ischemia. His top areas of expertise are Hepatitis, Hepatitis C, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy. Dr. Covington 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 Mesenteric Artery Ischemia. His top areas of expertise are Esophageal Varices, Enlarged Liver, Visceromegaly, Endoscopy, and Colonoscopy. Dr. Lyche is currently accepting new patients.

Dr. Kong partnered with Dr. C. Shawn Skillern to form West Coast Vascular.Dr. Kong is a highly trained vascular surgeon with advanced endovascular skills. Dr. Kong received a Bachelor of Arts from John Hopkins University and Doctorate of Medicine from the University of Tennessee. Prior to completing his vascular and endovascular fellowship at Emory University he completed his General Surgery Residency at Tulane University School of Medicine. Belonging to the Society of Vascular Surgery, Dr. Kong has written over one dozen manuscripts in endovascular procedures.  In addition, he has helped to build programs that reflect ongoing changes in the treatment of vascular disease, such as minimally invasive stent grafts for thoracic aneurysms, carotid stenting, and advanced venous therapy.Our mission is to provide the highest level of overall service, vascular care and optimal therapy to our patients and our community. Communication, accountability and reliability are the cornerstone for building these strong relationships. . Dr. Kong is rated as an Experienced provider by MediFind in the treatment of Mesenteric Artery Ischemia. His top areas of expertise are Idiopathic Edema, End-Stage Renal Disease (ESRD), Varicose Veins, Meige Disease, and Carotid Artery Surgery.

Works in partnership with patients, offering high-quality, individualized care with compassion. Believes the best care can be achieved only when patients understand their conditions properly and are fully satisfied with the care they receive. Dr. Quirk is rated as an Experienced provider by MediFind in the treatment of Mesenteric Artery Ischemia. Her top areas of expertise are Varicose Veins, Stasis Dermatitis and Ulcers, Venous Insufficiency, Gangrene, and Carotid Artery Surgery.

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 Mesenteric Artery Ischemia. His top areas of expertise are Gallstones, Hernia, Gallbladder Disease, Bladder Reconstruction, and Gallbladder Removal.

Samantha Wu is a General Surgeon in Oxnard, California. Dr. Wu has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Mesenteric Artery Ischemia. Her top areas of expertise are Gallstones, Choledocholithiasis, Gallbladder Disease, and Retroperitoneal Inflammation. Dr. Wu 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. Lopresti is rated as an Experienced provider by MediFind in the treatment of Mesenteric Artery Ischemia. His top areas of expertise are Choledocholithiasis, Gallstones, Gallbladder Disease, Bladder Reconstruction, and Hernia Surgery.

Works in partnership with patients, offering high-quality, individualized care with compassion. Believes the best care can be achieved only when patients understand their conditions properly and are fully satisfied with the care they receive. Dr. Albaugh is rated as an Experienced provider by MediFind in the treatment of Mesenteric Artery Ischemia. His top areas of expertise are Varicose Veins, Venous Insufficiency, Stasis Dermatitis and Ulcers, Arterial Embolism, and Carotid Artery Surgery.

Scott Speier is a primary care provider, practicing in Family Medicine in Santa Paula, California. Dr. Speier is rated as an Experienced provider by MediFind in the treatment of Mesenteric Artery Ischemia. His top areas of expertise are Morning Sickness, Trichohepatoenteric Syndrome, Diarrhea, and Headache.