All our professionals at Citrus Valley Gastroenterology maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in gastroenterology.

Suresht P. Sharma, MD


  • M.D. Government Medical College, Amritsar, Punjab, India
  • Rotating Internship: Government Medical College Hospital, Amritsar, Punjab, India
  • House Physician – Pediatrics: Government Medical College Hospital, Amritsar, Punjab, India
  • Radiology Residency: Fordham/Misericordia Hospital, Bronx, N.Y.
  • Internal Medicine Residency: Naval Regional Medical Center, San Diego
  • Gastroenterology Fellowship: Naval Regional Medical Center, San Diego

Osama A. Sidhom, MD


  • M.D. Alexandria University, Faculty of Medicine, Egypt
  • Internal Medicine Internship: Grant Hospital of Chicago
  • Internal Medicine Residency: Robert Wood Johnson Medical Schools (Rutgers)
  • Clinical Pharmacology Fellowship: Northwestern University Medical School
  • Gastroenterology Fellowship: University of Southern California
  • Therapeutic Biliary Endoscopy Fellow: University of Southern California

Sartaj Marty Arora, MD


  • B.S. Biochemistry: University of California, Los Angeles
  • M.D. University of California, San Diego
  • Internal Medicine Residency: Harbor-UCLA Medical Center
  • Gastroenterology Fellowship: UCLA Affiliated Program, Harbor-UCLA Medical Center

Patrick B. Truong, MD


  • B.S. Biological Science: University of California, Irvine
  • M.D. University of California, Irvine, College of Medicine
  • Surgical Internship: University of Bern, Inselspital, Bern, Switzerland
  • Internal Medicine Residency: Cedars Sinai Medical Center, Los Angeles
  • Gastroenterology Fellowship: University of California Medical Center, Irvine

George Ferenczi, MD


  • M.D. Tulane University School of Medicine, New Orleans
  • Internal Medicine Residency: LA County Hospital – USC
  • Gastroenterology Fellowship: LA County Hospital – USC


This form is for New Patients only. For Established patients, please call our Corvina or Glendora office or communicate via our secure Patient Portal, if you have questions or concerns.