My approach to patient care is based on an individualized care plan which provides distinctive advanced medical and procedural therapy yet also meeting the unique emotional needs of each patient. I pride myself on utilizing both the cognitive and procedural aspects of my Advanced Therapeutic and Gastroenterologic training in providing cutting edge and evidence based care to my patients. Dr. Melitas earned his Medical degree from Spartan Health Sciences University and is Board Certified in Gastroenterology and Internal Medicine.He completed an Advanced Therapeutic Endoscopy Fellowship at University of Illinois at Chicago and a Gastroenterology Fellowship at Michigan State University.As an advanced therapeutic endoscopist, Dr. Melitas has been trained to manage many complex gastrointestinal, pancreatic, biliary, and liver diseases endoscopically.Dr. Melitas is active in several Medical Associations including the American Society for Gastrointestinal Endoscopy, the American College of Gastroenterology and the American Gastroenterological Association. Dr. Melitas is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Jaundice, Bile Duct Obstruction, Cholangitis, Acute Pancreatitis, and Endoscopy.

Tracy Tilley is a Nurse Practitioner in Santa Maria, California. Her top areas of expertise are Pancreatic Ductal Adenocarcinoma, Smoldering Multiple Myeloma, Febrile Neutropenia, and Small Lymphocytic Lymphoma (SLL). Ms. Tilley is currently accepting new patients.

Ginger’s goal is to be an integral component in the care of her patients and their families. While some of her focus shifted over the years with regard to the area of medical expertise, the desire to provide care and dedication to the best of her ability has never changed. This is a focus that has led her through a number of helpful professions and specialties. She has worked in family medicine, emergency medicine, and critical care medicine until she landed in oncology. Once there she knew that she had found her niche. She has spent over 30 years working in medicine and over half of those working in oncology as an oncology certified nurse.Ginger’s education began at an early age tagging around after her family doctor and peppering him with questions to increase her understanding of the work that would eventually lead her to become a Nurse Practitioner. She has completed her undergraduate and postgraduate education at the University of Colorado and has continued to learn and grow since then in her chosen profession. Her goal to work in a community oncology practice that focuses on care and compassion has led her to Mission Hope Cancer Center. Here, she looks forward to playing a pivotal role in the care of patients and their families.In her spare time, she plays competitive billiards, golfs, exercises and spends time with her family of her husband and two furry pillows that eat—otherwise known as cats. . Her top areas of expertise are Pancreatic Ductal Adenocarcinoma, Smoldering Multiple Myeloma, Febrile Neutropenia, and Non-Muscle Invasive Bladder Cancer.

Dr. Keval Shah is board certified in Gastroenterology & Hepatology and Internal Medicine. He completed his Internal Medicine residency at St. John Providence Health System in Detroit, Michigan. Following residency, he completed his Gastroenterology & Hepatology fellowship at Beaumont Health System in Detroit, Michigan. During his fellowship, he received special training in both Inflammatory Bowel Disease and Hepatology at Henry Ford Hospital in Detroit. He was also selected as a fellow under the American Neurogastroenterology Motility Society where he received advanced clinical training in Motility at Cedars-Sinai Hospital in Los Angeles, CA. Dr. Shah's interests include nutrition and weight loss, esophageal disorders, reflux disease and management, colorectal cancer screening, and providing patients with a holistic approach to their gastrointestinal care.Dr. Keval Shah was born and raised in California. He received a Bachelor of Science degree in Sociology and Human Biology from Pitzer College in Claremont, CA. He studied abroad in Costa Rica and Nicaragua where he spent time working in Emergency Medicine and became fluent in Spanish. He played tennis while in Claremont and was chosen as an NCAA Scholar-Athlete. He then attended medical school at Western University of Health Sciences/COMP in Pomona, CA. Upon medical school graduation, he was awarded the prestigious San Miguel Scholarship.When not practicing Gastroenterology, Dr. Shah enjoys spending time with his wife and two beautiful children. He enjoys playing basketball and tennis during his free time. Other hobbies include martial arts. Dr. Shah competed in the 1996 Junior Olympics and has both a second-degree black belt in Tae Kwon Do as well as a first-degree black belt in Shotokan Karate.Wherever the art of Medicine is loved, there is also a love of Humanity.— Hippocrates. Dr. Shah is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Indigestion, Gastric Dysmotility, Childhood Volvulus, Endoscopy, and Gastrectomy.

Dr. Sukhpreet S. Walia earned his medical degree from Delhi University in India. He completed his internship and residency at Loma Linda University Medical Center in Los Angeles, CA. He was selected as Chief Resident and worked as a Hospitalist prior to completing his Gastroenterology fellowship.Dr. Walia's background in Internal Medicine allows for a comprehensive approach in treating gastrointestinal diseases. He strives to provide the highest quality gastrointestinal care for his patients.Dr. Walia believes that both the patient and physician should work together to create an atmosphere for long-lasting health outcomes. Dr. Walia is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Familial Adenomatous Polyposis, Gastric Dysmotility, Gardner Syndrome, Endoscopy, and Gastrectomy.

We understand that visiting the gastroenterologist may be a new experience for you and that you may be in pain or worried about your health. That?s why all the staff at the Santa Maria Digestive Diagnostic Center and Santa Maria Gastroenterology focus on making you feel comfortable and confident in our care. Our physicians and our medical team take extra care to listen to your concerns, answer all your questions and thoroughly explain your condition and treatment options. Dr. Benipal is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Familial Adenomatous Polyposis, Colonic Malakoplakia, Gardner Syndrome, Gastrectomy, and Endoscopy.

We understand that visiting the gastroenterologist may be a new experience for you and that you may be in pain or worried about your health. That?s why all the staff at the Santa Maria Digestive Diagnostic Center and Santa Maria Gastroenterology focus on making you feel comfortable and confident in our care. Our physicians and our medical team take extra care to listen to your concerns, answer all your questions and thoroughly explain your condition and treatment options. Dr. Vachhani is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Gastrectomy, and Colonoscopy.

Robert Evans is a Gastroenterologist in Santa Maria, California. Dr. Evans is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

Laura Dominguez is a Nurse Practitioner in Santa Maria, California. Her top areas of expertise are Non-Alcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis (NASH).

Margaret Batson is a Nurse Practitioner in Santa Maria, California. Her top areas of expertise are Non-Alcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis (NASH).

Brittany Lopez is a Physician Assistant in Santa Maria, California. Her top areas of expertise are Non-Alcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis (NASH).

We understand that visiting the gastroenterologist may be a new experience for you and that you may be in pain or worried about your health. That?s why all the staff at the Santa Maria Digestive Diagnostic Center and Santa Maria Gastroenterology focus on making you feel comfortable and confident in our care. Our physicians and our medical team take extra care to listen to your concerns, answer all your questions and thoroughly explain your condition and treatment options. Dr. Nastaskin is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Gastrectomy.

Sari Winans is a Nurse Practitioner in Santa Maria, California. Her top areas of expertise are Non-Alcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis (NASH).

Thomas Dawes is a primary care provider, practicing in Family Medicine in Santa Maria, California. Dr. Dawes is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Maturity Onset Diabetes of the Young, Anemia, Degos Disease, and Obesity.

Teeranun Jirajariyavej is an Endocrinologist in Nipomo, California. Her top areas of expertise are Type 2 Diabetes (T2D), Hyperthyroidism, Type 1 Diabetes (T1D), and Thyroid Storm.

I strive to provide my patients with the best medical care possible. Dr. Lai is rated as an Advanced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Type 2 Diabetes (T2D), Obesity in Children, Maturity Onset Diabetes of the Young, and Hypothyroidism.

Margaret England is an Endocrinologist in Santa Maria, California. Her top areas of expertise are Hyperparathyroidism, Hashimoto Thyroiditis, Osteoporosis, and Postmenopausal Osteoporosis. Dr. England is currently accepting new patients.

Dr. Quezada earned his Doctor of Medicine degree from TexasA&M Health Science Center College of Medicine. He is Board Certified in Internal Medicine and completed his Internal Medicine and Gastroenterology/Hepatology training from Los Angeles County/University of Southern CaliforniaMedical Center. He’s skilled in general GI procedures as well as EndoscopicRetrograde Cholangiopancreatography (ERCP) and performs this procedure at the French Hospital Advanced GI Lab. While in medical school, Dr. Quezada developed a health care program for medical students to participate in treatment of migrant farm worker patients. Dr. Quezada is fluent in Spanish ❝ My care philosophy is to work with my patients to developtheir health goals and do all that is possible to assist themin achieving those goals.❞—Michael Quezada, MD. Dr. Quezada is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Familial Adenomatous Polyposis, Toxic Megacolon, Gardner Syndrome, Endoscopy, and Gastrectomy.

We understand that visiting the gastroenterologist may be a new experience for you and that you may be in pain or worried about your health. That?s why all the staff at the Santa Maria Digestive Diagnostic Center and Santa Maria Gastroenterology focus on making you feel comfortable and confident in our care. Our physicians and our medical team take extra care to listen to your concerns, answer all your questions and thoroughly explain your condition and treatment options. Dr. Hsia is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Enlarged Liver, Familial Adenomatous Polyposis, Gardner Syndrome, Gastrectomy, and Endoscopy.

Scarlett Okerblom is a Physician Assistant in Santa Maria, California. Ms. Okerblom is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Non-Alcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis (NASH).