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Jason Warren Freeman, M.D.

Headshot of Jason Warren Freeman
  • Medical Director, Stroke Program, Sibley Memorial Hospital

Languages: English, Spanish


Stroke, Vascular Neurology


Johns Hopkins Community Physicians - Sibley Memorial Hospital

Appointment Phone: 240-235-9120
5215 Loughboro Road, NW
Washington, DC 20016 map


Dr. Freeman is a board-certified neurologist and vascular neurology specialist with Johns Hopkins Community Physicians (JHCP) who provides a unique perspective on frontline inpatient and outpatient care as a clinician, program leader, and advisor to early and seed stage companies.

Dr. Freeman is the Medical Director of the Sibley Memorial Hospital/Johns Hopkins Medicine Stroke Program in Washington, DC. During his tenure Sibley Memorial Hospital has obtained Joint Commission certification as a primary stroke center, and received both the Get With The Guidelines®—Stroke Gold-Plus Quality Achievement Award and Target: Stroke Elite recognition from the American Heart Association and American Stroke Association. 

Dr. Freeman's clinical work is primarily as a neurohospitalist and he also sees general neurology and stroke patients through the JHCP Clinic at Sibley.

Dr. Freeman serves as the Physician Chair of the DC Stroke Collaborative, a coalition that includes all of the Washington, DC hospitals. The Collaborative's initiatives include helping shape D.C. legislative and regulatory policy with respect to the stroke population, leading DC FIRE and EMS stroke training and education, helping implement the latest in advanced stroke care techniques and research, and performing community outreach to local residents.

Dr. Freeman also serves on the physician advisory board for the Johns Hopkins Medicine Sibley Hospital Innovation Hub. 

Dr. Freeman serves as the section chief of Neurology, a division of Internal Medicine at Sibley and serves on the Board of Trustees for the Sibley Memorial Hospital Foundation. 

Prior to joining JHCP, Dr. Freeman was a Vascular Neurology Fellow at the National Institutes of Health (NIH)/National Institute of Neurological Disorders and Stroke (NINDS) where he received advanced training in acute neuroimaging techniques and served as co-investigator on numerous NIH/NINDS clinical trials. His clinical research has led to a number of peer reviewed abstracts, posters, and journal publications. 

Dr. Freeman earned a Bachelor of Science in Neuroscience from Brandeis University and his medical degree at the Georgetown University School of Medicine. He completed his neurology residency at SUNY Downstate Medical Center in New York. more


  • Medical Director, Stroke Program, Sibley Memorial Hospital
  • Section Chief, Division of Neurology, Sibley Memorial Hospital

Departments / Divisions

  • Medicine at Sibley Memorial Hospital



  • MD; Georgetown University School of Medicine (2006)


  • Neurology; SUNY Downstate Medical Center College of Medicine (2010)


  • Neurology; National Institutes of Health (2011)

Board Certifications

  • American Board of Psychiatry and Neurology (Neurology-General) (2015)

Research & Publications

Clinical Trials

Learn more about clinical trials at Johns Hopkins Medicine.

Selected Publications

View all on PubMed

Freeman JW, Luby M, Merino JG, Latour LL, Auh S, Song SS, Magadán A, Lynch JK, Warach S, Hsia AW. "Negative diffusion-weighted imaging after intravenous tissue-type plasminogen activator is rare and unlikely to indicate averted infarction." Stroke. 2013 Jun;44(6):1629-34. doi: 10.1161/STROKEAHA.111.000486.

Benson RT, Freeman JW. "Deconstructing health disparities: it's not just about race." Neurology. 2012 Jul 10;79(2):117-8. doi: 10.1212/WNL.0b013e31825f06e9.

Activities & Honors

Professional Activities

  • Physician Chair, D.C. Stroke Collaborative
  • Physician Advisory Board, Sibley Memorial Hospital Innovation Hub
  • Board of Trustees, Sibley Memorial Hospital Foundation

Videos & Media

Recent News Articles and Media Coverage

D.C. firefighters’ quick diagnosis of stroke victim helps save life. The Washington Post (06/07/2016)

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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