The 20 Best Malabsorption Doctors Near Me in California, US
Find the Top Malabsorption Experts and Specialists
Advanced Gastroentrology Inc
Telehealth visits are available.Our mission is to build patient trust and to be the catalyst for a healthier lifestyle through prevention, early detection and our innovative approach to GI care.. Dr. Simoni is rated as an Advanced provider by MediFind in the treatment of Malabsorption. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Malabsorption, Visceromegaly, Trichohepatoenteric Syndrome, Endoscopy, and Colonoscopy. Dr. Simoni is board certified in Internal Medicine and Internal Medicine (Sub: Gastroenterology). Dr. Simoni is currently accepting new patients.
Ventura Advanced Surgical Associates
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 Advanced provider by MediFind in the treatment of Malabsorption. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Obesity, Malabsorption, Hiatal Hernia, Gastrectomy, and Sleeve Gastrectomy. Dr. Billy is board certified in Surgery General Surgery. Dr. Billy is currently accepting new patients.
Primary & Specialty Care - Mercy Medical Group - South Sacramento, CA
Why I Became a Medical Provider: This profession has provided me an opportunity to help my fellow men and women in their times of need.Interests: During my time off, I go for bike rides, play badminton, and cook.I treat my patients the same way I wish for my family to be treated – with patience, kindness, and empathy. Dr. Theethira is rated as an Advanced provider by MediFind in the treatment of Malabsorption. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Celiac Disease, Malabsorption, Endoscopy, and Gastrectomy. Dr. Theethira is board certified in Internal Medicine and Internal Medicine (Sub: Gastroenterology). Dr. Theethira is currently accepting new patients.
Sunnyvale Center (301)
Edmund Tai is an Oncologist practicing medicine in Sunnyvale, California. Dr. Tai is rated as an Advanced provider by MediFind in the treatment of Malabsorption. He is also highly rated in 95 other conditions, according to our data. His clinical expertise encompasses Anemia, Vitamin D Deficiency, Iron Deficiency Anemia, and Thrombocytopenia. Dr. Tai is board certified in Medical Oncology - Board Certified and In Medical Oncology And Internal Medicine. Dr. Tai is currently accepting new patients.
Central Coast Endocrinology & Diabetes
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 Malabsorption. He is also highly rated in 82 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Obesity in Children, Maturity Onset Diabetes of the Young, and Hypothyroidism. Dr. Lai is board certified in Internal Medicine. Dr. Lai is currently accepting new patients.
The Regents Of The University Of California
Berkeley Limketkai is a Gastroenterologist practicing medicine in Los Angeles, California. Dr. Limketkai is rated as an Experienced provider by MediFind in the treatment of Malabsorption. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Colitis, Small Bowel Resection, and Colonoscopy.
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Robert Venick is a Pediatric Gastroenterologist practicing medicine in Los Angeles, California. Dr. Venick is rated as a Distinguished provider by MediFind in the treatment of Malabsorption. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Malabsorption, Short Bowel Syndrome, Alagille Syndrome, Liver Transplant, and Pancreas Transplant.
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Guy Weiss is a Gastroenterologist practicing medicine in Los Angeles, California. Dr. Weiss is rated as a Distinguished provider by MediFind in the treatment of Malabsorption. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Celiac Disease, Malabsorption, Tenesmus, Ileostomy, and Appendectomy.
University Of California San Diego Sulpizio Cardiovascular Center
Sheila Crowe is a Gastroenterologist practicing medicine in La Jolla, California. Dr. Crowe is rated as a Distinguished provider by MediFind in the treatment of Malabsorption. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Celiac Disease, Malabsorption, Helicobacter Pylori Infection, and Indigestion.
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Douglas Farmer is a Pediatrics provider practicing medicine in Los Angeles, California. Dr. Farmer is rated as a Distinguished provider by MediFind in the treatment of Malabsorption. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Liver Failure, Hepatic Ischemia, Malabsorption, Liver Transplant, and Pancreas Transplant.
Univ Of California Home Care Serv
Daniel Adelman is an Internal Medicine provider practicing medicine in San Francisco, California. Dr. Adelman is rated as a Distinguished provider by MediFind in the treatment of Malabsorption. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Malabsorption, Anaphylaxis, Food Allergy, and Asthma.
The Regents Of The University Of California
Charles Bernstein is an Internal Medicine provider practicing medicine in Los Angeles, California. Dr. Bernstein is rated as a Distinguished provider by MediFind in the treatment of Malabsorption. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Colitis, Colonoscopy, and Endoscopy.
Palo Alto Medical Foundation
Ryan Mcconnell is a Gastroenterologist practicing medicine in Palo Alto, California. He has been practicing medicine for over 17 years. Dr. Mcconnell is rated as an Experienced provider by MediFind in the treatment of Malabsorption. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Lymphocytic Colitis, Familial Adenomatous Polyposis, and Malabsorption. Dr. Mcconnell is board certified in Internal Medicine and Internal Medicine (Sub: Gastroenterology). Dr. Mcconnell is currently accepting new patients.
Interstitial Lung Disease (ILD) Program
Dr. Steven Hays, a pulmonologist, is medical director of the UCSF Lung Transplant Program, which is known for accepting patients with complex conditions while maintaining superior survival rates. His expertise is in caring for patients with end-stage lung disease who proceed through the lung transplant process. He treats conditions that include cystic fibrosis, emphysema associated with alpha-1 antitrypsin deficiency, and interstitial lung disease. In research, Hays focuses on studying how airway remodeling occurs in the transplanted lung. Hays earned his medical degree at the University of Kansas. He completed a residency in internal medicine at the University of Kansas Medical Center, where he served as chief resident, followed by a fellowship in pulmonary and critical care medicine at UCSF. He also completed a lung transplant fellowship at Stanford Health Care. Dr. Hays is rated as an Experienced provider by MediFind in the treatment of Malabsorption. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Hypersensitivity Pneumonitis, Acute Interstitial Pneumonia, Idiopathic Pulmonary Fibrosis, Lung Transplant, and Endoscopy. Dr. Hays is board certified in American Board Of Internal Med/Critical Care Med, Critical Care Medicine and American Board Of Internal Med/Pulmonary Disease, Pulmonary Disease. Dr. Hays is currently accepting new patients.
Central Coast Endocrinology & Diabetes
Margaret England is an Endocrinologist practicing medicine in Santa Maria, California. Dr. England is rated as an Experienced provider by MediFind in the treatment of Malabsorption. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Hyperparathyroidism, Hashimoto Thyroiditis, Postmenopausal Osteoporosis, and Osteoporosis. Dr. England is board certified in Internal Medicine and Internal Medicine (Sub: Endocrinology, Diabetes & Met. Dr. England is currently accepting new patients.
Santa Maria Gastroenterology Medical Group
Dr. Klaus Gottlieb is a translational scientist in immunology drug development with American Board certifications in Internal Medicine and Gastroenterology. He holds an MD-PhD (Dr.med.) degree from Bonn University in Germany, an MBA from Indiana University, and a Master of Science in Biotechnology from Johns Hopkins.He was most recently employed at the FDA, Quintiles (IQVIA), and Synthetic Biologics, Inc. He is now a Medical Fellow with Eli Lilly and Company and practices gastroenterology part-time in Santa Maria, CA. Dr. Gottlieb is rated as an Experienced provider by MediFind in the treatment of Malabsorption. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Hemorrhagic Proctocolitis, Ulcerative Colitis, Colitis, Colonoscopy, and Endoscopy. Dr. Gottlieb is board certified in Internal Medicine and Internal Medicine (Sub: Gastroenterology). Dr. Gottlieb is currently accepting new patients.
Sansum Clinic
Tricia Westhoff is an Endocrinologist practicing medicine in Santa Barbara, California. Dr. Westhoff is rated as an Experienced provider by MediFind in the treatment of Malabsorption. She is also highly rated in 77 other conditions, according to our data. Her clinical expertise encompasses Hypothyroidism, Type 2 Diabetes (T2D), Obesity in Children, and Thyroid Nodule.
Santa Cruz Center Imaging
Timothy Washowich is a Radiologist practicing medicine in Santa Cruz, California. Dr. Washowich is rated as an Experienced provider by MediFind in the treatment of Malabsorption. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Chronic Cough, Vertigo, Lung Nodules, and WT1-Related Wilms Tumor Syndromes. Dr. Washowich is board certified in Radiology - Board Certified.
Polycystic Kidney Disease (PKD) Center Of Excellence
Dr. Zhen Jane Wang is a radiologist who specializes in abdominal imaging. In research, Wang's interests focus on identifying novel imaging techniques and developing them into practical, useful diagnostic tools. Her research program includes using hyperpolarized 13C metabolic MRI – an advanced imaging technique – to assess kidney tumors' aggressiveness and diffuse kidney disease. She is also interested in quantitative imaging – a technique for measuring features of a tumor by applying algorithms to images – for assessing patients with pancreatic cancer. Wang has received research grants from private and public organizations, including the Society of Abdominal Radiology, Radiological Society of North America, U.S. Department of Defense and National Institutes of Health. In 2019, she received the Distinguished Investigator Award from the Academy for Radiology and Biomedical Imaging Research. After earning a bachelor's degree in electrical engineering at Brown University, Wang earned her medical degree from Northwestern University Feinberg School of Medicine. She completed a residency in diagnostic radiology at UCSF, serving as chief resident. She also completed a fellowship in abdominal imaging at UCSF. She joined the UCSF faculty in 2008. Wang serves as associate director for UCSF's program in biomedical imaging for clinician-scientists and as associate chair for strategic planning in the UCSF Department of Radiology and Biomedical Imaging. Dr. Wang is rated as an Experienced provider by MediFind in the treatment of Malabsorption. She is also highly rated in 28 other conditions, according to our data. Her clinical expertise encompasses Spontaneous Coronary Artery Dissection (SCAD), Renal Cell Carcinoma (RCC), WT1-Related Wilms Tumor Syndromes, Pancreaticoduodenectomy, and Percutaneous Coronary Intervention (PCI). Dr. Wang is board certified in American Board Of Radiology/Diagnostic Radiology, Diagnostic Radiology. Dr. Wang is currently accepting new patients.
Mission Hope Cancer Center - Medical Oncology - Arroyo Grande
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 Experienced provider by MediFind in the treatment of Malabsorption. He is also highly rated in 49 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Pleuropulmonary Blastoma, Lung Cancer, and Paget Disease of the Breast. Dr. Ayrons is board certified in Internal Medicine, Internal Medicine (Sub: Hematology), and Internal Medicine (Sub: Medical Oncology). Dr. Ayrons is currently accepting new patients.
Last Updated: 04/28/2026












