Ronald Omino, MD
Accepting new patients

Ronald Omino, MD

  • Gastroenterology
Average rating: 4.8
| 130 ratings
Simi Valley Alamo Specialty Care | 2755 Alamo Street, Suite 100, Simi Valley, CA 93065


Dr. Omino is a board-certified gastroenterologist. He specializes in all aspects of general gastroenterology including, but not limited to, esophageal disorders, peptic ulcer disease, gastroesophageal reflux disease, irritable bowel syndrome, GI bleeding, general hepatology, constipation, colorectal disorders, IBD, colorectal cancer screening, endoscopy and colonoscopy. He is a member of the American College of Gastroenterology and American Gastroenterological Association. He is board certified in internal medicine and gastroenterology. Dr. Omino speaks both English and Japanese. Dr. Omino performs endoscopy procedures primarily in Simi Valley and West Hills.

He completed his medical school training at Wayne State University School of Medicine in Detroit. He completed residency in internal medicine at Baylor College of Medicine. Dr. Omino then completed his fellowship training in gastroenterology at the University of Illinois at Chicago.


English, Japanese


Medical Board Certifications

Gastroenterology, American Board of Internal Medicine, 2020
Internal Medicine, American Board of Internal Medicine, 2017


Gastroenterology, University of Illinois at Chicago College of Medicine, 2020


Internal Medicine, Baylor College of Medicine, 2017


Internal Medicine, Baylor College of Medicine, 2015


MD, Wayne State University School of Medicine, 2014


UCLA Health Digestive Diseases at Aspen Surgery Center Simi Valley

UCLA Health Digestive Diseases at Adventist Health Simi Valley

Medical Services


  • Aetna
  • Anthem Blue Cross
  • Blue Shield of California
  • Centivo
  • Cigna
  • First Health
  • Health Net of California
  • Interplan (part of HealthSmart)
  • L.A. Care
  • MultiPlan
  • UFCM Health System
  • Prime Health Services
  • Private Healthcare Systems (PHCS)
  • UnitedHealthcare

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