Photo of Ahmad A. Abbass, MD

Ahmad A. Abbass, MD

Accepting New Patients
Offers Video Visits
27799 Medical Center Road, Suite 440
Mission Viejo, CA 92691
2253.2 miles away
Medical Groups & Affiliations
Speaks: English

South Orange County Surgical Medical Group

27799 Medical Center Road, Suite 440, Mission Viejo, CA 92691

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About Ahmad A. Abbass

Dr. Abbass graduated with his Bachelor of Science in Biology in 1998 from the University of Beirut, Lebanon. He pursued his education in Lebanon and graduated with his Medical Doctorate in 2010. He then traveled to the United States and completed an additional residency at Henry Ford Hospital in Detroit, Michigan during 2010-2015. He remained Senior Staff Surgeon at Henry Ford Health Systems from 2015-2018.

He is board certified by the American Board of Surgeons, the American Society of Transplant Surgeons for Liver and Kidney Transplantation, and a Fellow of the American College of Surgeons. He maintains his certifications in Advance Trauma Life Support, Advanced Trauma Operative Management, and Advanced Cardiac Life Support. He is currently expanding his practice in Southern California with complex liver/gallbladder/pancreatic surgeries.Dr. Abbass has been appointed as the Director of the Hepatobiliary Program at Mission Hospital.

Dr. Abbass current areas of expertise include many general surgery cases, such as hernias, gallbladders, diseases of the bowel, laparoscopic and robotic procedures, major abdominal procedures, complex liver, pancreas, and gallbladder cancers, and surgical/trauma critical care. He is well received by his patients and peers with his energetic and responsive attitude towards surgical intervention.

Medical School

American University of Beirut


Henry Ford Hospital
General Surgery


Henry Ford Hospital
Transplant/HPB surgery


Board Certifications
  • American Board of Surgery, Surgery
South Orange County Surgical Medical Group
27799 Medical Center Road, Suite 440
Mission Viejo, CA 92691

Medical Groups & Affiliations
Providence Affiliated Physicians, Mission

Affiliated Locations
Mission Hospital Leonard Cancer Institute - Mission Viejo
Providence Mission Hospital - Mission Viejo
Providence Mission Hospital - Laguna Beach

Clinical Interests

  • Gallbladder Disease
  • Hernia
  • Inflammatory Bowel Disease
  • Pancreas Cancer
  • Robotic Liver Resection
  • Virtual Care