MARK Y. JOHNSON, MD
480 4th Avenue, Suite 506, Chula Vista, CA 91910 Directions
Since 1989
Stomach Disorder, Abdominal Pain, Colonoscopy, Endoscopy, Gastritis, Gastroesophageal Reflux Disease, Gastrointestinal Bleeding, IBS, Hepatitis B, Hepatitis C, Hernia, Pancreatitis, Peptic and Gastric Ulcer, Ulcerative Colitis, Viral Hepatitis, Vomiting Disorders, Colorectal Cancer Treatment, Constipation & Barrett's Esophagus
Dr. Mark Y. Johnson is board certified by the American Board of Internal Medicine as well as the specialty of Gastroenterology. He received his undergraduate degree from the University of Washington and completed his residency in internal medicine at LAC-USC Medical Center. Dr. Johnson offers comprehensive treatment for various Gastroenterological disorders as well as diseases of the liver, pancreas, and gallbladder. His practice is also available in three convenient locations for outpatient procedures.
License #G28163
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ERICK ALAYO, MD
587 3rd Avenue, Chula Vista, CA 91910 Directions
Since 2000
Endoscopic Retrograde Cholangiopancreatography, GERD, IBS, Endoscopic Ultrasound, Hydrogen Breath Test, Capsule Endoscopy, Bravo pH Capsule Test, Ablation for Barrett's Esophagus, Colonoscopy, Upper Endoscopy, Flexible Sigmoidoscopy, Treatment of Hemorrhoids, Stomach Disorder, Abdominal Pain & Hepatitis
Dr. Erick Alayo is a Board Certified Gastroenterologist who received his medical degree from the Universidad Peruana Cayetano Heredia in Lima, Peru. He finished his internship and residency in Internal Medicine at Cook County Hospital of Chicago. Dr. Alayo's special interests are in the treatment of conditions that affect your Liver and Pancreas. He uses the new standard of care strategies for diagnosis and treatment of different Gastrointestinal Disorders. His service is also available in the San Diego location.
License #A107506
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GREGORY WIENER, MD
353 Church Avenue, Suite A, Chula Vista, CA 91910 Directions
Since 1987
Gluten Intolerance, Fatty Liver, Heartburn, Hemorrhoids, Irritable Bowel Syndrome, Colitis, Colon Cancer Screening, Colonoscopy, Diverticulitis, Endoscopy, Esophageal Reflux, Malabsorption, Crohn's, Peptic Ulcer and Gastroesophageal Reflux Disease, Removal of Colon Polyps & Small Intestinal Balloon Enteroscopy
Dr. Gregory Wiener is a fellowship-trained in gastroenterology and specializes in helping patients with digestive tract issues. He earned his medical degree from the University of El Salvador and completed a Gastroenterology fellowship at Wake Forest University Bowman Gray School of Medicine. Dr. Wiener offers diagnostic and therapeutic endoscopy, colonoscopy, and hemorrhoid ligation. He provides his patients with the latest in state-of-the-art care, medications, and treatment options. Same-day appointments are available.
License #A41749