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Our Doctors
Dr.Maher A. Abbas

Dr.Maher A. Abbas

Consultant Colorectal Surgeon

MD, FACS, FASCRS

Bachelor’s Degree of Science, Emory University, Georgia, USA

Doctor of Medicine, Stanford University Medical School, California, USA

Surgery Residency, Mayo Clinic, Arizona, USA

Colorectal Surgery Fellowship, Cleveland Clinic Florida, Florida, USA

Fellow, American College of Surgeons

Fellow, American Society of Colon and Rectal Surgery

Diplomate, American Board of Surgery

Diplomate, American Board of Colon and Rectal Surgery

Dr Maher A. Abbas is an internationally known colorectal and gastrointestinal surgeon with 22 years of experience in medicine and surgery. To date he has conducted more than 12,000 operations and procedures. He is the recipient of 29 honor awards including America’s Top Surgeons, America’s most compassionate Doctors, Super Doctors of Southern California, and Los Angeles Magazine Top Doctors.  He is professor of surgery and he is senior examiner of the American Board of Colon and Rectal Surgery.  

Dr.  Abbas is on the editorial board of several scientific journals and is associate editor of the Diseases of Colon and Rectum, the official journal of the American Society of Colon and Rectal Surgeons. He has authored over 150 scientific publications and has delivered over 300 presentations in the USA and the world.

Dr. Abbas was formerly the regional chief of colorectal surgery in the Southern California Permanente Medical Group, the founding chair of the center for minimally invasive and robotic surgery, and director of the National Center for Excellence in Colorectal Surgery.   Dr. Abbas was one of the founders of the Cleveland Clinic in Abu Dhabi and he held the first chairmanship of the Digestive Disease Institute.

Dr Abbas is an American doctor from Lebanese origin. He competed as a runner in the 1988 Olympic Games in Seoul, Korea.  He is married and has 3 children.

Specialty interests

• Interventional endoscopy, colonoscopy, sigmoidoscopy, proctoscopy, anoscopy

Colon cancer screening, polyp removal, tumor resection, stricture management, minor treatment of hemorrhoids, management of radiation inflammation

• Open and minimally invasive camera surgery [laparoscopic, robotic]

Colon and rectal cancer, recurrent colon and rectal cancer, polyps, rare pelvic tumors, desmoid tumors, Crohn’s disease, ulcerative colitis, pelvic pouch surgery, reoperative pelvic surgery, diverticulitis, bowel obstruction, ileostomy and colostomy management, wound management, scar revision

• Pelvic floor conditions treatment

Incontinence, complex anal and rectal fistula [vagina, bladder, rectum], anal or rectal prolapse, rectocele, childbirth trauma, constipation, difficulty with defecation, pilonidal hair cyst, hidradenitis suppurativa infection of skin, anal and rectal ultrasound, anorectal manometry pressure studies

Proctology

Hemorrhoids, anal fistula, fissure, warts, anal dysplasia and cancer, transmitted infectious diseases, skin tags, anal and buttocks wound scar management, cosmetic rejuvenation