Salim Chahin, MD, MSCE

Assistant Professor of Neurology


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  • MD: Damascus University School of Medicine. Damascus, Syria (2004)
  • MSCE: University of Pennsylvania School of Medicine. Philadelphia, PA (2014)
  • Residency: University of Iowa, Department of Neurology. Iowa City, IA (2011)
  • Fellowship: University of Pennsylvania, Department of Neurology, Division of Multiple Sclerosis. Philadelphia, PA (2015)

Board Certifications

  • Neurology

Clinical Interests

Multiple Sclerosis

Neuromyelitis Optica


Research Interests

Exploring novel outcome measures and biomarkers for Multiple Sclerosis and other demyelinating diseases.


  • Waldman AT, Chahin S, Lavery AM, Liu G, Banwell BL, Liu GT, Balcer LJ. Binocular low-contrast letter acuity and the symbol digit modalities test improve the ability of the Multiple Sclerosis Functional Composite to predict disease in pediatric multiple sclerosis. Mult Scler Relat Disord. 2016 Nov;10:73-78. doi:10.1016/j.msard.2016.08.012. PubMed PMID: 27919503; PubMed Central PMCID: PMC5144918.
  • Dworkin JD, Sweeney EM, Schindler MK, Chahin S, Reich DS, Shinohara RT.PREVAIL: Predicting Recovery through Estimation and Visualization of Active and Incident Lesions. Neuroimage Clin. 2016 Aug 2;12:293-9. doi:10.1016/j.nicl.2016.07.015. PubMed PMID: 27551666; PubMed Central PMCID: PMC4983640.
  • Koelman DL, Chahin S, Mar SS, Venkatesan A, Hoganson GM, Yeshokumar AK, Barreras P, Majmudar B, Klein JP, Chitnis T, Benkeser DC, Carone M, Mateen FJ. Acute disseminated encephalomyelitis in 228 patients: A retrospective, multicenter US study. Neurology. 2016 May 31;86(22):2085-93. doi: 10.1212/WNL.0000000000002723. PubMed PMID: 27164698.
  • Williamson EM, Chahin S, Berger JR. Vaccines in Multiple Sclerosis. Curr Neurol Neurosci Rep. 2016 Apr;16(4):36. doi: 10.1007/s11910-016-0637-6. Review. PubMed PMID: 26922172.
  • Chahin S, Miller D, Sakai RE, Wilson JA, Frohman T, Markowitz C, Jacobs D, Green A, Calabresi PA, Frohman EM, Galetta SL, Balcer LJ. Relation of quantitative visual and neurologic outcomes to fatigue in multiple sclerosis. Mult Scler Relat Disord. 2015 Jul;4(4):304-10. doi: 10.1016/j.msard.2015.05.005. PubMed PMID: 26195047.
  • Chahin S, Berger JR. A risk classification for immunosuppressive treatment-associated progressive multifocal leukoencephalopathy. J Neurovirol. 2015 Dec;21(6):623-31. doi: 10.1007/s13365-014-0303-1. PubMed PMID: 25404234.
  • Chahin S, Balcer LJ, Miller DM, Zhang A, Galetta SL. Vision in a phase 3 trial of natalizumab for multiple sclerosis: relation to disability and quality of life. J Neuroophthalmol. 2015 Mar;35(1):6-11. doi: 10.1097/WNO.0000000000000173. PubMed PMID: 25370598; PubMed Central PMCID: PMC4337583.
  • Chahin S, Garwood MD, St Louis EK, Shivapour ET, Kelkar PM, Granner MA. Intramedullary Sjögren syndrome. Neurology. 2009 Dec 8;73(23):2041-2. doi: 10.1212/WNL.0b013e3181c55ced. PubMed PMID: 19996081; PubMed Central PMCID: PMC2796455.