Personal profile
Research interests
Dr. Ephraim W. Church's research interests center around cerebrovascular neurosurgery (including direct bypass for moyamoya disease, intracranial stenosis and complex cerebral aneurysm) as well as endovascular neurosurgery and medical ethics.
Clinical interests
Dr. Ephraim W. Church is director of the cerebral revascularization program at Penn State Health Milton S. Hershey Medical Center.
Professional information
Fellow, American Association of Neurological Surgeons (FAANS)
Fellow, American College of Surgeons (FACS)
Fellow of the American College of Surgeons, American College of Surgeons, 2022
Board Certified in Neurological Surgery, American Board of Neurological Surgeons, 2021
Chair, NeuroVascular Quality Initiative-Quality Outcomes Database/NeuroPoint Alliance, Patient Safety Organization Committee, Aneurysm Section, 2021-
Member, American Association of Neurological Surgeons (AANS)
- Ethics Committee, 2025-
Member, AANS/CNS Cerebrovascular Section
- Coding, Reimbursement, and Rapid Response Committee, 2025-
Member, Congress of Neurological Surgeons (CNS)
Member, Pennsylvania Neurosurgical Society
Education/Academic qualification
Bioethics Fellow, Harvard Medical School
… → 2025
Cerebrovascular Neurosurgery, Fellowship, Stanford Medicine
2018 → 2019
Neurosurgery, Chief Resident, Penn State Health Milton S. Hershey Medical Center
2017 → 2018
Neurosurgery, Residency, Penn State Health Milton S. Hershey Medical Center
2011 → 2018
Neurological Surgery, Fellowship, Sir Charles Gairdner Hospital
2016 → 2017
Endovascular Neurosurgery (CAST), Fellowship, Penn State Health Milton S. Hershey Medical Center
2015 → 2016
MD, University of Pennsylvania School of Medicine
2007 → 2011
Clinical Neuroscience, Training Certificate, University of Pennsylvania School of Medicine
2007 → 2011
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being
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Collaborations and top research areas from the last five years
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Effective Use of a Minimally Invasive Lighted Tubular Retractor System for Resection of a Ruptured Aneurysm in a Patient with Moyamoya Disease: 2-Dimensional Operative Video
Hallan, D. R., Jareczek, F. & Church, E. W., Feb 1 2026, In: Operative neurosurgery (Hagerstown, Md.). 30, 2, p. 336 1 p.Research output: Contribution to journal › Article › peer-review
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Evaluating the role of graft angle on cerebral hemodynamics following direct cerebral bypass for moyamoya disease
Peng, C., Church, E. W. & Brindise, M. C., Jan 2026, In: PloS one. 21, 1 January, e0330362.Research output: Contribution to journal › Article › peer-review
Open Access -
Microsurgical Treatment of Ethmoidal Dural Arteriovenous Fistula
Hallan, D. R., Hong, J. & Church, E. W., Apr 2026, In: World neurosurgery. 208, 124845.Research output: Contribution to journal › Article › peer-review
Open Access -
Resolving high frequency fluctuations in cerebral aneurysm hemodynamics: the critical role of high-fidelity simulations and heart rate effects
Korte, J., Abdelsamie, A., El-Khader, B. A. D., Shirdade, N., Church, E. W., Brindise, M. C. & Berg, P., Mar 2026, In: Computer Methods and Programs in Biomedicine. 276, 109219.Research output: Contribution to journal › Article › peer-review
Open Access -
National trends in catheter angiography and cerebrovascular imaging in a group of privately insured patients in the US
Jareczek, F., Tuohy, K., Agbese, E., Church, E., Cockroft, K., Simon, S., Leslie, D. L. & Wilkinson, D. A., Dec 1 2025, In: Journal of neurointerventional surgery. 17, 12, p. 1282-1288 7 p.Research output: Contribution to journal › Article › peer-review
Open Access1 Link opens in a new tab Scopus citations