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Internist, Gastroenterologist (digestive)
42 years of experience
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Hrair Aharonian:

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Specialties & Research

Dr. Hrair Aharonian, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Aharonian graduated from American University Of Beirut.


Dr. Aharonian has 4 hospital affiliations:

  • Providence Holy Cross Medical Center 
  • Henry Mayo Newhall Memorial Hospital 

> > > > Dr. Hrair Aharonian, MD

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Additional Information
Dr. Hrair Steven Aharonian MD is a male Internist, has 42 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Hrair S. Aharonian practice?
Dr. Hrair Aharonian has 2 office locations.
Dr. Hrair Aharonian practices Internal Medicine and Gastroenterology near Mission Hills, CA.
Additional practice locations include: North Hills, CA.
See Mission Hills Internists and Mission Hills Gastroenterologists.