Dr. Alaa Abousaif has been in private practice for the past fifteen years. He has completed extensive advanced training in treating a multitude of digestive disorders and possesses the expertise in utilizing the latest technology to accurately diagnose and treat a full range of digestive problems.
Given his excellent bedside manner and caring personality, many physicians, nurses, and health care providers in the community trust him with their own health care needs.
Treatment Philosophy
I strive to provide top quality medical care in an efficient, patient-friendly and compassionate environment. Utilizing the latest in technological advances and knowledge, I tailor care to each patient’s condition and special needs.
Those who choose our practice should feel that their concerns and questions are adequately addressed and answered in a supportive way. I welcome and encourage patient participation in their health care, as I believe education is the foundation of good health.
Those who choose our practice should feel that their concerns and questions are adequately addressed and answered in a supportive way. I welcome and encourage patient participation in their health care, as I believe education is the foundation of good health.
Specialties and Services
- ERCP (Endoscopic Retrograde Cholangiopancreatography)
- Colonoscopy
- Upper Endoscopy
- HET (Hemorrhoid Electro Therapy)
- Single Balloon Enteroscopy
- Solesta Injections (SOLESTA is used for the treatment of bowel control problems (also referred to as accidental bowel leakage, or fecal incontinence) in patients 18 years and older who have tried and failed other “conservative” therapies such as change in diet, fiber therapy, and medications.)
- Online Video Visits
Online Video Visits
Dr. Alaa Abousaif is able to offer online tele-health services for patients who want to see or speak to the provider from the comfort of their home. Please contact our office at 714.835.7700 to schedule an appointment.
Languages
- English
- Arabic
Education & Training
- Fellowship: Gastroenterology, Georgetown University and the National Institutes of Health (NIH), Washington DC.
- Residency: Internal medicine, Wright State University, Dayton, OH.
- Medical School: Damascus University, Damascus, Syria.
Professional Affiliations
- American Society for Gastrointestinal Endoscopy
- American College of Gastroenterology
Locations
Orange Office
1010 W. La Veta Ave., Suite 570
Orange, CA 92868
Phone: (714) 835-7700
Fax: (844) 407-0583
1010 W. La Veta Ave., Suite 570
Orange, CA 92868
Phone: (714) 835-7700
Fax: (844) 407-0583
thanks 
and after 2 gastroenterologists who only blame anxiety for all my symptoms, I can tell you that I really appreciate that hi take the time to listen to me, these days that is a very rare quality in doctors, he is my Dr for more than 8 years, I recommend him 100%
Thank You
(Original)
Excelente MD. Alaa muy profesional y su Equipo muy atentos lo recomiendo. Muy profesionales todos 
Dr. Abousiaf is a great doctor. In addition to his excellent professional skills, his bedside manner is such that he always makes me feel comfortable in what is often an uncomfortable circumstance.
If you are looking for a Great Gastroenterologist, this is the Doctor to see.
I just had a colonoscopy and his surgical team was wonderful. Everyone was kind and welcoming, very efficient, and made me feel like I was the most important patient their. I’m sure that every patient felt the same way. These professionals are an asset to Dr. Abousiaf’s practice.
Thank you Dr. Abousiaf and Staff. God bless each and every one of you.
Patient Submitted Review
Jun-2025
I’m very comfortable with this Dr. He is very open about everything, the information is understandable and completely helpful to my condition or questions. He is also very personable, his bedside manner is awesome! The staff and service are very friendly, nice and helpful.