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Danielle Sandsmark, MD, PhD

Danielle Sandsmark, MD, PhD Physician

Assistant Professor of Neurology at the Hospital of the University of Pennsylvania Assistant Professor of Neurosurgery

Dr. Sandsmark is employed by Penn Medicine.

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Clinical Specialties


  • Neurology

Programs & Centers:

Board Certification:

  • Neurology, 2012

Clinical Expertise:

  • Cerebral Blood Flow (CBF)
  • Cerebrovascular Disease
  • Head Injury
  • Intraoperative Complications
  • Neurocritical Care
  • Stroke Care
  • Subarachnoid Hemorrhage (SAH)
  • Traumatic Brain Injury (TBI)

Practice Locations and Appointments

  • Penn Neurology

    Penn Medicine University City 8th Floor 3737 Market Street Philadelphia, PA 19104 800-789-7366 (PENN)

    A facility of Penn Presbyterian Medical Center

Insurance Accepted

  • Aetna US Healthcare
  • Cigna
  • Cigna HealthSpring
  • CVS Health
  • Devon Health Services (Americare)
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • HealthSmart
  • Highmark Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana / Choicecare
  • Independence Blue Cross (Keystone East)
  • Intergroup
  • Keystone First
  • Keystone First Medicare
  • Multiplan
  • NJ Medicaid
  • NJ Qualcare
  • Oxford Health Plan
  • PA Medicaid
  • PA Medicare
  • Preferred Health Care/LGH
  • Rail Road Medicare / Palmetto GBA
  • Remedy Partners at Penn Medicine
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan

Education and Training

Medical School: Washington University
Residency: Barnes-Jewish Hospital - Washington University, St. Louis
Residency: Hospital of the University of Pennsylvania


American Academy of Neurology, National American Heart Association, National Department of Veterans' Affairs, National Neurocritical Care Society, National Society of Critical Care Medicine, International

Hospital Affiliation

Dr. Sandsmark is employed by Penn Medicine.

Hospital Privileges:

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.


Selected Publications:

Sandsmark, DK Kumar, MK Diaz-Arrastia: "Biomarkers" Textbook of Traumatic Brain Injury, Third Edition : 2018.

Sandsmark DK, Elliott JE: Sleep-Wake Disturbances After Traumatic Brain Injury: Synthesis of Human and Animal Studies Sleep 40 (5): 2017.

Siegler JE, Marcaccio C, Nawalinski K, Quattrone F, Sandsmark DK, Maloney-Wilensky E, Frangos S, Levine JM, Stein SC, Kasner SE: Elevated Red Cell Distribution Width is Associated with Cerebral Infarction in Aneurysmal Subarachnoid Hemorrhage Neurocrit Care 26 (1): 26-33,2017.

Wiebe DJ, Nance ML, Houseknecht E, Grady M, Otto N, Sandsmark D: Ecologic momentary assessment to determine symptom progression and the physical and cognitive activities of patients daily following concussion JAMA Pediatrics 170 (11): 1108-1110,2016.

Clinical Outcomes after Traumatic Brain Injury. Current Neurology and Neuroscience Reports 16 (6): 52,2016.

Sandsmark Danielle K, Kumar Monisha A, Woodward Catherine S, Schmitt Sarah E, Park Soojin: Sleep Features on Continuous Electroencephalography Predict Rehabilitation Outcomes After Severe Traumatic Brain Injury. Journal of Head Trauma Rehabilitation 31 (2): 101-7,2016.

Intracranial Pressure Monitoring Neurologic and Systemic Monitoring in Neurocritical Care : 2016.

Sandsmark Danielle K: Response to Letter Regarding Article, "Proteinuria, but Not eGFR, Predicts Stroke Risk in Chronic Kidney Disease: Chronic Renal Insufficiency Cohort Study". Stroke 46 (11): e240,2015.

Chugh C, Nyirjesy S C, Nawalinski K P, Sandsmark D K, Frangos S, Maloney-Wilensky E, Stein S C, Levine J M, Kasner S E: Red Blood Cell Distribution Width is Associated with Poor Clinical Outcome After Subarachnoid Hemorrhage: A Pilot Study. Neurocritical Care 23 (2): 217-24,2015.

Sandsmark Danielle K, Messé Steven R, Zhang Xiaoming, Roy Jason, Nessel Lisa, Lee Hamm Lotuce, He Jiang, Horwitz Edward J, Jaar Bernard G, Kallem Radhakrishna R, Kusek John W, Mohler Emile R, Porter Anna, Seliger Stephen L, Sozio Stephen M, Townsend Raymond R, Feldman Harold I: Proteinuria, but Not eGFR, Predicts Stroke Risk in Chronic Kidney Disease: Chronic Renal Insufficiency Cohort Study. Stroke 46 (8): 2075-80,2015.

Academic Contact Info

Department of Neurology
Perelman School of Medicine University of Pennsylvania
3400 Spruce St
3 West Gates Building

Philadelphia, PA 19104
Patient appointments: 800-789-7366 (PENN)