I strive to offer my patients the best medical care possible. Dr. Hayashi is rated as an Advanced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Paget Disease of the Breast, Inflammatory Breast Cancer, Familial Pancreatic Cancer, Carotid Artery Surgery, and Vagotomy.

Dr. Dunlop, Board Certified Family Medicine physician, offers a different approach to primary care. He sees fewer patients, which means more time for each one. Patients appreciate same/next-day appointments that start on time and aren't rushed; plus they can usually reach his 24/7. His practice also offers other services, including comprehensive, advanced health screenings and diagnostic tests, that go far beyond those found in concierge medicine practices. Dr. Dunlop develops a personalized wellness plan based on the results of the wellness program. His MDVIP-affiliated practice is open to new patients.MDVIP empowers physicians with advanced diagnostic tools and support that help them deliver a better healthcare experience for more than 350,000 patients nationwide. MDVIP-affiliated primary care doctors are able to practice personalized, preventive care while offering conveniences not typically available in primary care practices. Dr. Dunlop is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Chronic Cough, Celiac Disease, Hypothyroidism, and Coccidioidomycosis.

Paul Wetzel is a Gastroenterologist in San Luis Obispo, California. Dr. Wetzel is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Diverticular Disease, Endoscopy, and Gastrectomy. Dr. Wetzel is currently accepting new patients.

Board Certification: Certified by American Board of Internal Medicine, GastroenterologyFellowship Training: Duke University Medical CenterInternship and Residency: University of California, San Diego Medical CenterMedical School: University of Texas Southwestern Medical SchoolProfessional Memberships: Member, American Gastroenterological AssociationMember and Fellow, American College of Gastroenterology. Dr. Mundorf is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Lower Esophageal Ring, Benign Esophageal Stricture, Endoscopy, and Colonoscopy.

Dr. Steven Goodman graduated from Tulane university with a Bachelors of Science with a Major in Biology. He attended medical school at the University of Illinois in Chicago . Dr. Goodman completed his internship and residency in Family Medicine at San Bernardino County Hospital, following two years of working, outpatient medicine, traveling, fishing and scuba diving in Guam. He and his wife relocated to San Luis Obispo in 1988. He formed Cuesta Medical Group (CMG) in 1994. In 2015 CMG joined Dignity Health’s medical group Pacific Central Coast Health Centers.  Dr. Goodman continues to practice full service Family Medicine, and also serves as the Vice President of Clinical Operations for Pacific Central Coast Health Centers. Dr. Goodman is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Chronic Lymphocytic Leukemia (CLL), High Cholesterol, Supravalvular Aortic Stenosis, and Type 2 Diabetes (T2D).

Armando Siqueiros is a primary care provider, practicing in Internal Medicine in San Luis Obispo, California. Dr. Siqueiros is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Chronic Cough, Nonbacterial Prostatitis, Bacterial Prostatitis, and Hypertension.

Willard Chung is a primary care provider, practicing in Family Medicine in San Luis Obispo, California. Dr. Chung is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Pleurisy, Sepsis, Low Blood Pressure, Pacemaker Implantation, and Endoscopy.

Jose Yongco is a primary care provider, practicing in Internal Medicine in San Luis Obispo, California. Dr. Yongco is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Sepsis, Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, Hip Replacement, and Endoscopy.

Stephen Tidik is a General Surgeon in San Luis Obispo, California. Dr. Tidik is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are End-Stage Renal Disease (ESRD), Hernia, Gallbladder Disease, Cholecystitis, and Hernia Surgery.

Satish Raj is a primary care provider, practicing in Family Medicine in San Luis Obispo, California. Dr. Raj is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

Thomas Nguyen is a primary care provider, practicing in Internal Medicine in San Luis Obispo, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are High Cholesterol, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Pacemaker Implantation.

Mark Stilphen is a primary care provider, practicing in Endocrinologist in San Luis Obispo, California. Dr. Stilphen is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Cyclic Neutropenia, Osteoporosis, Postmenopausal Osteoporosis, and Maturity Onset Diabetes of the Young.

Farnaz Pirayesh is a primary care provider, practicing in Family Medicine in San Luis Obispo, California. Dr. Pirayesh is rated as an Experienced provider by MediFind in the treatment of Gallstones. Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Hypothyroidism, and High Cholesterol.

Dr. Gelman is a board certified surgeon. He graduated in the top ten percent of his medical school class at Rush University in Chicago. Dr. Gelman's surgical expertise encompasses a wide range of areas with extensive additional training and experience including thyroid & parathyroid surgery. He has extensively trained with internationally renowned hair restoration surgeons to master all surgical and artistic aspects of hair transplantation. Dr. Gelman is rated as an Advanced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Hernia, Gallbladder Disease, Gallstones, Hernia Surgery, and Gastrostomy.

Eric Salinger is a General Surgeon in Pismo Beach, California. Dr. Salinger is rated as an Advanced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Hernia, Retroperitoneal Inflammation, Gallbladder Disease, Bladder Reconstruction, and Vagotomy. Dr. Salinger is currently accepting new patients.

Farah Mansuri is a General Surgeon in Pismo Beach, California. Dr. Mansuri is rated as an Advanced provider by MediFind in the treatment of Gallstones. Her top areas of expertise are Retroperitoneal Inflammation, Gallbladder Disease, Paget Disease of the Breast, Appendectomy, and Gastrostomy. Dr. Mansuri is currently accepting new patients.

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 Gallstones. His top areas of expertise are Enlarged Liver, Familial Adenomatous Polyposis, Gardner Syndrome, Gastrectomy, and Endoscopy.

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 Gallstones. His top areas of expertise are Familial Adenomatous Polyposis, Toxic Megacolon, Gardner Syndrome, Endoscopy, and Gastrectomy.

Ijeoma Ofiaeli is a primary care provider, practicing in Internal Medicine in Arroyo Grande, California. Dr. Ofiaeli is rated as an Experienced provider by MediFind in the treatment of Gallstones. Her top areas of expertise are Sepsis, Stroke, Ogilvie Syndrome, Gastrostomy, and Endoscopy.

John Newlander is a primary care provider, practicing in Family Medicine and Internal Medicine in Arroyo Grande, California. Dr. Newlander is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Sepsis, Ogilvie Syndrome, Acute Cystitis, Hip Replacement, and Endoscopy.