Dr. El-Gassim is on Doximity
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Office
1300 Roanoke Ave
Riverhead, NY 11901Phone+1 631-548-6000
Education & Training
Icahn SOM at Mount Sinai (Elmhurst)Residency, 2014 - 2017- National Ribat UniversityMBBS
Certifications & Licensure
AZ State Medical License 2017 - 2025
CO State Medical License 2021 - 2025
CT State Medical License 2024 - 2025
NY State Medical License 2019 - 2025- American Board of Internal Medicine Internal Medicine
- American Board of Internal MedicineABIM
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