Ossama M. Lashin MD PhD

Thyroid

Director of Endocrinology, West Region CCF. Medical Director, Cleveland Clinic Thyroid Center

5700 Cooper Foster Park RdLorain, OH 44053
Phone+1 440-204-7400
Fax+1 440-204-7245

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Summary

Ossama Lashin, MD, is an endocrinologist based in Lorain, OH, with a subspecialty in thyroid disorders. He completed his fellowship in Endocrinology, Diabetes, and Metabolism at Case Western Reserve University/University Hospitals Cleveland Medical Center, where he also did his residency in Internal Medicine. Dr. Lashin holds a PhD in Systems Physiology from the same institution and graduated from Ain Shams University Faculty of Medicine. His expertise includes thyroid disorders, thyroid eye disease, thyroid cancer, and thyroid ultrasonography. He has published multiple papers, including reviews on thyroid cancer treatment and endocrine toxicity in patients treated with immune checkpoint inhibitors. Dr. Lashin has been recognized with several CMS Meaningful Use Certifications and is a Fellow of the American College of Endocrinology (FACE).

Education & Training

Case Western Reserve University/University Hospitals Cleveland Medical CenterFellowship, Endocrinology, Diabetes, and Metabolism, 2007 - 2009
Case Western Reserve University/University Hospitals Cleveland Medical CenterResidency, Internal Medicine, 2004 - 2007
Case Western Reserve UniversityPhD, Systems Physiology, 1999 - 2005
Ain Shams University Faculty of MedicineClass of 1995

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Certifications & Licensure

CA State Medical License 2024 - 2028
OH State Medical License 2004 - 2028
AZ State Medical License 2024 - 2027
NY State Medical License 2024 - 2027
IL State Medical License 2024 - 2026
PA State Medical License 2024 - 2026
IN State Medical License 2024 - 2025
American Board of Internal Medicine Endocrinology, Diabetes and Metabolism

Awards, Honors, & Recognition

CMS Meaningful Use Stage 2 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2011, 2013-2014, 2016-2017
CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory - Core EMR, Epic Systems Corporation, 2011, 2013-2014, 2016-2017
CMS Meaningful Use Stage 2 Certification Beacon Oncology 2014 Certified Module, Epic Systems Corporation, 2011, 2013-2014, 2016-2017

Publications & Presentations

PubMed

2 citations
Neoadjuvant Therapy with Multikinase Inhibitors for Locally Advanced Differentiated Thyroid Cancer: A Systematic Review.
Justin Bauzon, Guillermo Ponce de Leon-Ballesteros, Eddy Lincango, Heriberto Medina-Franco, Rafael Perez-Soto
Thyroid. 2025-10-01
17 citations
Endocrine Toxicity and Outcomes in Patients With Metastatic Malignancies Treated With Immune Checkpoint Inhibitors.
Suleiman Al Ashi, Bicky Thapa, Monica Flores, Ramsha Ahmed, Shab E Gul Rahim
Journal of the Endocrine Society. 2021-06-01
120 citations
Decreased complex II respiration and HNE-modified SDH subunit in diabetic heart.
Ossama M. Lashin, Pamela A. Szweda, Luke I. Szweda, Andrea Romani
Free Radical Biology & Medicine. 2006-03-01

Journal Articles

Endocrine Toxicity and Outcomes in Patients With Metastatic Malignancies Treated With Immune Checkpoint Inhibitors
Suleiman I Al Ashi, Bicky Thapa, Monica Flores, Ramsha Ahmed, Shab E Gul Rahim, Maryam Amir, Mohammad Alomari, Pravallika Chadalavada, Shannon L Morrison, James F Bena..., Journal of the Endocrine Society, 6/1/2021

Abstracts/Posters

Thyrotropin-Secreting Pituitary Adenoma Successfully Treated With Cabergoline
Aisha R Saand, MD, Monica Flores, MD, Sura Alqaisi, MD, Ossama Lashin, MD,PhD, Journal of the Endocrine Society, 5/3/2021
Decreased complex II respiration and HNE-modified SDH subunit in diabetic heart.
Lashin OM1, Szweda PA, Szweda LI, Romani AM., Free Radic Biol Med. 2006