Dr. Leist is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Office
900 Walnut St
2nd Floor
Philadelphia, PA 19107Phone+1 215-955-6871Fax+1 215-503-2990
Education & Training
- National Institutes of HealthFellowship, 1997 - 2000
- New York Presbyterian Hospital (Cornell Campus)Residency, Neurology, 1994 - 1997
- University of Miami/Jackson Health SystemInternship, Internal Medicine, 1993 - 1994
- University of Miami Leonard M. Miller School of MedicineClass of 1993
Certifications & Licensure![](https://directory.doximity.com/assets/icons/icon-help-e9f0b148a1e6d1f037dde9f26f025c36bd7c99fd4fe31fd76792996fa2aa5e66.svg)
- MD State Medical License 1997 - 2026
- PA State Medical License 2000 - 2026
- VA State Medical License 1998 - 2010
- American Board of Psychiatry and Neurology Neurology
Publications & Presentations
PubMed
- Long-term follow-up of patients with a first clinical demyelinating event (clinically isolated syndrome) who received cladribine tablets in CLASSIC-MS: Findings for th...Gavin Giovannoni, Alexey Boyko, Jorge Correale, Gilles Edan, Mark S Freedman
Multiple Sclerosis. 2025-01-01 - A plain language summary on assessing the long-term effectiveness of cladribine tablets in people living with relapsing multiple sclerosis: The CLASSIC-MS study.Gavin Giovannoni, Alexey Boyko, Jorge Correale, Gilles Edan, Mark S Freedman
Neurodegenerative Disease Management. 2023-10-01 - 1 citationsA retrospective claims analysis of fatigue in patients with multiple sclerosis on disease-modifying therapy.Thomas P Leist, Michele Cole, Sumit Verma, Alex Keenan, Hoa H Le
Multiple Sclerosis and Related Disorders. 2023-10-01
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence: