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Office
9140 Haven Ave
Suite 115
Rancho Cucamonga, CA 91730Phone+1 909-606-4860Fax+1 909-606-1653
Education & Training
Kaiser Permanente Southern California (Los Angeles)Fellowship, Gastroenterology, 1995 - 1997
University of Pennsylvania Health SystemFellowship, Department of Surgery-Nutrition Support, 1993 - 1995
Hurley Medical Center/Michigan State UniversityResidency, Internal Medicine, 1985 - 1986
University of Aleppo Faculty of MedicineClass of 1980
Certifications & Licensure
CA State Medical License 1995 - 2026
PA State Medical License 1993 - 1996
MI State Medical License 1988 - 1995
LA State Medical License 1992 - 1993- American Board of Internal Medicine Internal Medicine
Publications & Presentations
Journal Articles
- Opioid Induced Achalasia Treated with Naloxegol: A Case ReportJeffrey Unger, Mohammad Shakfeh, International Journal for Case Reports, 2019
Press Mentions
Opioid-Induced Achalasia Successfully Managed with Naloxegol: Case ReportNovember 22nd, 2020
Other Languages
- Arabic
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