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Laguna Hills, California

Welcome to Saddleback Medical Group in Laguna Hills, California

For more than 28 years, the multi-specialty doctors at Saddleback Medical Group (SMG) have provided extraordinary care to residents in the Laguna Hills, California area. Our board-certified physicians are medical specialists in Internal Medicine, Gastroenterology, Family Medicine, Nephrology, Dermatology, Endocrinology, and Infectious Disease. Together, through collaborative care they offer leading-edge treatments and the latest technology for a variety of problems across a broad spectrum of healthcare specialties all under one roof. Most importantly, our highly qualified physicians offer compassionate care and establish personal relationships with their patients in a warm and welcoming environment.

A doctor is holding his hand out to someone

Meet Our New Gastroenterologists

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Vincent Kao, D.O. (Irvine) (949) 453-4308

  • Fellowship- Gastroenterology @ Loma Linda University
  • Residency- Internal Medicine LA County/University of Southern California
  • Languages- Mandarin, Spanish
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Shazia Ali, M.D. (Laguna Hills) (949)770-7163

  • Fellowship- Gastroenterology and Hepatology @ UCI
  • Residency- Internal Medicine @ Oregon Health & Science University
  • Languages- Spanish, Hindi/Urdu
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Arcelia Guerson- Gil, M.D. (Laguna Hills) (949)770-7163

  • Fellowship- Gastroenterology and Hepatology @ Renaissance School of Medicine at Stony Brook University Hospital
  • Residency- Internal Medicine @ Albert Einstein College of Medicine at Jacobi Medical Center
  • Languages- Spanish
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Homer Iraninezhad, D.O. (Laguna Hills) (949)770-7163

  • Fellowship- Gastroenterology @ Plaza Hospital, Fort Worth, TX
  • Fellowship- Gastroenterology @ Plaza Hospital, Fort Worth, TX
  • Procedures: ERCP, EGD, EGD with PEG tube placement, EGD with Push Enteroscopy, Colonoscopy with EMR/Polypectomy, Pill cam Endoscopy, BRAVO, BARRYX
  • Languages- Farsi

Trusted Expertise

Visit www.memorialcare.org/tif and www.gerdhelp.com for more information!

Call (949) 770-7163 or request an appointment online with Saddleback Medical Group's GI associates in Laguna Hills, Orange County, California.

Our Holiday Schedule

These are the days that we will be closed

  • Wednesday 01/01/2025 – New Year’s
  • Monday 01/20/2025- Martin Luther King Day
  • Monday 05/26/2025 – Memorial Day
  • Friday 07/04/2025 – 4th of July
  • Monday 09/01/2025 – Labor Day
  • Thursday 11/27/2025 – Thanksgiving Day
  • Friday 11/28/2025 – Thanksgiving Friday
  • Thursday 12/25/2025 Christmas
  • Thursday 01/01/2026 New Year’s Day