Dr. Palchak has bachelor's and master's degrees in biology from UC Irvine. He received his doctorate in medicine from St. Louis University, did a residency in internal medicine at Cottage Hospital in Santa Barbara, then medical oncology fellowship at UC San Diego. He established an independent medical oncology practice in Arroyo Grande in 1994 and has practiced continuously in the south county since that date. He established the region's first cancer research program, first tumor board, first nonprofit to expand services for cancer patients in our community among many other firsts.Respect the patient's wishes and treat others as we wish to be treated. Dr. Palchak is rated as an Advanced provider by MediFind in the treatment of Anemia. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Paget Disease of the Breast, Anal Cancer, and Bone Marrow Aspiration.

I strive to provide my patients with the best medical care possible. Dr. Weiss is rated as an Experienced provider by MediFind in the treatment of Anemia. Her top areas of expertise are Hypothyroidism, Obesity in Children, Visceromegaly, and Enlarged Liver.

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

Dr. Keith Ayrons grew up on Long Island, New York, and completed his bachelor’s degree in Biology at the University of Albany while volunteering at the local hospital in the Pathology department. His passion for science and early learnings in the experimental and clinical based approach inspired him to complete first, a Master’s in Microbiology from Adelphi University and then his medical degree from Wayne State University. He then completed his Internal Medicine residency, and combined fellowship in Oncology and Hematology at Stoney Brook University. In 1995, Dr. Ayrons joined a growing oncology and hematology practice in Gastonia, North Carolina, where he was a partner for 23 years. He is Board Certified in Medical Oncology, Hematology and Internal Medicine and served as past president of the Internal Medicine department. For 25 years he developed excellent patient and family relationship skills that created a loyal patient following. In 2018, Dr. Ayrons relocated to the Central Coast and is excited to be a part of the Mission Hope Cancer Center where he can continue to fulfill his passion of serving the community through providing quality care. Dr. Ayrons is rated as an Advanced provider by MediFind in the treatment of Anemia. His top areas of expertise are Familial Colorectal Cancer, Pleuropulmonary Blastoma, Lung Cancer, and Paget Disease of the Breast.

Board Certification:Oncology & HematologyFellowship Training:Oncology & Hematology from University California DavisInternal Medicine Residency:Cornell UniversityMedical School:Institute of Medicine I, Ragoon, BurmaEducation:Masters of Public Health and Tropical Medicine Tulane UniversityAreas of Interest: Benign Hematology, Breast Cancer, Gastrointestinal Malignancies, Lung Cancer, Solid Tumors. Dr. Soe is rated as an Advanced provider by MediFind in the treatment of Anemia. His top areas of expertise are Breast Cancer, Paget Disease of the Breast, Myelodysplastic Syndrome (MDS), and Pleuropulmonary Blastoma.

Scott Piazza is a primary care provider, practicing in Family Medicine in Pismo Beach, California. Dr. Piazza has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Anemia. His top areas of expertise are Type 2 Diabetes (T2D), Acute Kidney Failure, Maturity Onset Diabetes of the Young, and Syndrome of Inappropriate Antidiuretic Hormone Secretion (SIADH). Dr. Piazza is currently accepting new patients.

I strive to provide my patients with the best medical care possible. Dr. Malzone is rated as an Experienced provider by MediFind in the treatment of Anemia. Her top areas of expertise are Chromophobe Renal Cell Carcinoma, Clear Cell Sarcoma, Renal Cell Carcinoma (RCC), and Wilms Tumor.

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

I strive to provide my patients with the best medical care possible. Dr. Steele is rated as an Experienced provider by MediFind in the treatment of Anemia. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and High Cholesterol.

Dr. Gorgun Akpek (Dr. G) is a board certified hematologist and medical oncologist who treats his patients with all types of cancer and blood related.Dr. Akpek received his MD degree from Hacettepe University, the top medical school in Turkey and did his internal medicine residency and hematology & medical oncology clinical fellowship trainings at Hacettepe University and Boston University Medical Centers. He became further specialized in Leukemia and Stem Cell/Bone Marrow Transplantation at Johns Hopkins University Department of Oncology in Baltimore, Maryland.He joined the faculty first at Johns Hopkins University and then University of Maryland Greenebaum Cancer Center as a clinical investigator and attending physician.He continued his career as a founding Director of Leukemia and Stem Cell Transplantation/Cell Therapy programs at Banner MD Anderson Cancer Center in Gilbert, Arizona and more recently he served as the Section Chief of Blood and Marrow Transplant Program (BMT) at Rush University Medical Center in Chicago.Dr. Akpek is a member of American Society of Hematology (ASH), Clinical Oncology (ASCO) and Transplantation (ASBMT). He is nationally recognized for his research by more than 100 publications and clinical work in leukemia, lymphoma, MDS, multiple myeloma and stem cell transplantation.Board Certification:Oncology, Hematology, Internal MedicineMedical School:Hacettepe University School of MedicineInternal Medicine Residency:Hacettepe University School of MedicineFellowship Training:Hacettepe University School of Medicine, Boston University Medical Center and Johns Hopkins UniversityAreas of Interest:All Cancers including: Autoimmune Cancer, Lung Cancer, Breast Cancer, Colon Cancer, Rectal Cancer,  Pancreatic Cancer, Gallbladder Cancer, Bladder Cancer, Ovarian Cancer, MelanomaAdditional Education: Master of Public Health, Johns Hopkins Bloomberg School of Public Health 2005. Awards and Recognition: Chief's Hematology and Oncology Scholar Award, Boston University 1995-1997 Jo-Ann McCaleb Amyloid Research Award 1997 Henry Christian Award, American Federation of Medical Research 2002. Dr. Akpek is rated as an Experienced provider by MediFind in the treatment of Anemia. His top areas of expertise are Multiple Myeloma, Myelodysplastic Syndrome (MDS), Childhood Iron Deficiency Anemia, Bone Marrow Transplant, and Splenectomy.

Dr. Tom Spillane believes in an integrative approach to the management of his patients. His definition of an integrative approach combines the best of the updated western medicine technology, complementary care, clinical trials and local psychosocial support services.Dr. Spillane co-founded the Hearst Cancer Resource Center in 2008, as well as the Surfing for Hope Foundation  in 2011, a program that among other services takes cancer survivors and children whose parents are battling cancer, on monthly surf sessions.Board Certification:Oncology, HematologyMedical School:University of California, DavisMedical Oncology Residency:University of California, IrvineFellowship Training:University of California, IrvineAreas of Interest:Brain tumors, Breast Cancer, GI Cancers, Head and Neck Cancer, Lung Cancer, Melanoma. Dr. Spillane is rated as an Experienced provider by MediFind in the treatment of Anemia. His top areas of expertise are Paget Disease of the Breast, Familial Colorectal Cancer, Colorectal Cancer, and Lynch Syndrome.

I strive to provide my patients with the best medical care possible. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Anemia. His top areas of expertise are Obesity in Children, Hypertension, Chronic Cough, and HIV/AIDS.

Paul Wetzel is a Gastroenterologist in San Luis Obispo, California. Dr. Wetzel is rated as an Experienced provider by MediFind in the treatment of Anemia. 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.

Mary Lowery is a primary care provider, practicing in Internal Medicine in Pismo Beach, California. Dr. Lowery is rated as an Experienced provider by MediFind in the treatment of Anemia. Her top areas of expertise are Swimming Pool Granuloma, Melorheostosis with Osteopoikilosis, Melorheostosis, and Osteopenia.

Cu Nguyen is a primary care provider, practicing in Internal Medicine in Pismo Beach, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Anemia. Her top areas of expertise are Familial Colorectal Cancer, Nasal Polyps, High Cholesterol, and Maturity Onset Diabetes of the Young.

Patrick Welch is a primary care provider, practicing in Family Medicine in Arroyo Grande, California. Dr. Welch is rated as an Experienced provider by MediFind in the treatment of Anemia. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Maturity Onset Diabetes of the Young.

Pankaj Karan is a primary care provider, practicing in Internal Medicine in Arroyo Grande, California. Dr. Karan is rated as an Experienced provider by MediFind in the treatment of Anemia. His top areas of expertise are Obesity, Obesity in Children, Type 2 Diabetes (T2D), and Abetalipoproteinemia.

Jacob Mayor is a primary care provider, practicing in Internal Medicine in Arroyo Grande, California. Dr. Mayor is rated as an Experienced provider by MediFind in the treatment of Anemia. His top areas of expertise are Sepsis, Gastrointestinal Bleeding, Ogilvie Syndrome, Gastrostomy, and Endoscopy.

Accessible and Comprehensive Quality Health Care Services. Dr. Bhat is rated as an Experienced provider by MediFind in the treatment of Anemia. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Familial Hypertension, and Hypertension.

Deborah Villa is a Hematologist and an Oncologist in San Luis Obispo, California. Dr. Villa is rated as an Experienced provider by MediFind in the treatment of Anemia. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Angiosarcoma, and Melanoma. Dr. Villa is currently accepting new patients.