Char Witmer, MD

Char Witmer, MD

Char M. Witmer, MD, is the assistant director of the Hemostasis and Thrombosis Center at The Children’s Hospital of Philadelphia. 

Areas of Expertise: Bleeding and clotting disorders, Sickle cell disease, General hematology
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)


Education and Training

Medical School

University of Rochester School of Medicine and Dentistry, Rochester, NY



Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, Pa., 2000-2003


Hematology/Oncology, The Children's Hospital of Philadelphia, Pa., 2003-2006

Additional Training

Board Certification

American Board of Pediatrics

Undergraduate Degree

Graduate Degree

Titles and Academic Titles

Assistant Director, Hemostasis and Thrombosis Center

Attending Physician

Conditions Treated

Departments and Services

Research Interests



Witmer C, Ichord R. Crossing the blood-brain barrier: clinical interactions between neurologists and hematologists in pediatrics - advances in childhood arterial ischemic stroke and cerebral venous thrombosis. Curr Opin Pediatr. 2010 Feb;22(1):20-7. Review. Read abstract

Awards and Honors

Editorial and Academic Positions

Leadership and Memberships