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Danielle Sandsmark, MD, PhD

Danielle Sandsmark, MD, PhD Physician

Assistant Professor of Neurosurgery Assistant Professor of Neurology at the Hospital of the University of Pennsylvania Assistant Professor of Anesthesiology and Critical Care

Dr. Sandsmark is employed by Penn Medicine.

Patient Satisfaction Ratings

Patient Rating Breakdown

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

Overall Ratings

Clinical Specialties


  • Neurology

Programs & Centers:

Board Certification:

  • Neurology, 2012

Clinical Expertise:

  • Anoxic Encephalopathy
  • Brain Injury
  • Concussion
  • Dementia Related to Concussion
  • Head Trauma
  • Traumatic Brain Injury (TBI)

Practice Locations and Appointments

Insurance Accepted

  • Aetna US Healthcare
  • Amerihealth Caritas
  • Amerihealth Caritas Medicare
  • Cigna
  • Cigna HealthSpring
  • Clover Health Plan
  • CVS Health
  • Devon Health Services (Americare)
  • eLAP Services
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • HealthSmart
  • Highmark Blue Shield
  • Homestead Smart Health Plans
  • 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 Health and Wellness (Centene) Medicare
  • PA Medicaid
  • PA Medicare
  • Preferred Health Care/LGH
  • Provider Partners Health Plan
  • Rail Road Medicare / Palmetto GBA
  • Remedy Partners at Penn Medicine
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan
  • Veterans Choice Program

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 Department of Veterans' Affairs, National National Neurotrauma Society, 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: On the medical staff, but does not have privileges to treat patients in the hospital.


Selected Publications:

Ko J, Hemphill M, Yang Z, Sewell E, Na YJ, Sandsmark DK, Haber M, Fisher SA, Torre EA, Svane KC, Omelchenko A, Firestein BL, Diaz-Arrastia R, Kim J, Meaney D, and Issadore D: Diagnosis of traumatic brain injury using miRNA signatures in nanomagnetically isolated brain-derived extracellular vesicles Lab Chip 18 (23): 3617-630,2018.

Margalit Haber1, Franck Amyot2, 3, Kimbra Kenney2, 3, 4, Tawny Meredith-Duliba1, Carol Moore3, Jamie Podell1, Erika Silverman4, Yi-Yu Chou3, Dzung L. Pham3, Ramon Diaz-Arrastia1, Danielle Sandsmark: Vascular Abnormalities within Normal Appearing Tissue in Chronic Traumatic Brain Injury J Neurotrauma 35 (19): 2250-2258,2018.

Raab L, Kofke WA, and and Sandsmark DK: How should traumatic brain injury be managed? An evidence-based approach Evidence-based Practice of Critical Care, 3rd edition : 2018.

Kofke WA and Sandsmark DK: Complexity, variation, and the ever-moving cheese J Neurosurg Anesthesiol : 2018.

McDonald MD, Sandsmark DK, Palakshappa JA, Mikkelsen ME, Anderson BJ, Gutsche JT: Long-term outcomes after extracorporeal life support for acute respiratory failure J Cardiothorac Vasc Anesth : 2018.

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

Sandsmark DK, Elliott JE, Lim MM.: 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, Kumar MA: 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, Master CL.: 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.

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

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)