
Overview
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.
His clinical research consists of co-authoring 20 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- MEDICARE MAPD
- MEDICARE SNP
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
Accepted plan types not found. Please verify directly with the provider.
- HMO
- INDEMNITY
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MEDICARE MAPD
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
3200 Telegraph Rd, Ventura, CA 93003
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Kevin M Casey MD Apmc
Kevin Casey is a Vascular Surgeon and a General Surgeon in Santa Barbara, California. Dr. Casey is rated as a Distinguished provider by MediFind in the treatment of Mesenteric Artery Ischemia. His top areas of expertise are Varicose Veins, Idiopathic Edema, Gangrene, Stasis Dermatitis and Ulcers, and Carotid Artery Surgery.
Ventura County Vascular Specialists
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 Advanced 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.
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 a Distinguished provider by MediFind in the treatment of Mesenteric Artery Ischemia. His top areas of expertise are Hernia, Gallstones, Choledocholithiasis, Hernia Surgery, and Ileostomy.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- GastrectomyDr. Billy isDistinguished. Learn about Gastrectomy.
- Sleeve GastrectomyDr. Billy isDistinguished. Learn about Sleeve Gastrectomy.
- VagotomyDr. Billy isDistinguished. Learn about Vagotomy.
- Advanced
- EndoscopyDr. Billy isAdvanced. Learn about Endoscopy.
- Gastric BypassDr. Billy isAdvanced. Learn about Gastric Bypass.
- HerniaDr. Billy isAdvanced. Learn about Hernia.
- Hernia SurgeryDr. Billy isAdvanced. Learn about Hernia Surgery.
- Hiatal HerniaDr. Billy isAdvanced. Learn about Hiatal Hernia.
- MalabsorptionDr. Billy isAdvanced. Learn about Malabsorption.
- Experienced
- CellulitisDr. Billy isExperienced. Learn about Cellulitis.
- CholecystitisDr. Billy isExperienced. Learn about Cholecystitis.
- CholedocholithiasisDr. Billy isExperienced. Learn about Choledocholithiasis.
- Congenital Diaphragmatic HerniaDr. Billy isExperienced. Learn about Congenital Diaphragmatic Hernia.
- Femoral HerniaDr. Billy isExperienced. Learn about Femoral Hernia.
- Food AllergyDr. Billy isExperienced. Learn about Food Allergy.

