University of Nebraska Medical Center

Josue M. Avecillas-Chasin, MD, PhD

Assistant Professor, UNMC Department of Neurosurgery

Josue Avecillas-Chasin

Josue Avecillas-Chasin is an assistant professor of the Department of Neurosurgery  at the University of Nebraska Medical Center. Dr. Avecillas received his medical degree from the Universidad de Guayaquil in Ecuador and his PhD at the Universidad Complutense de Madrid in Spain. He completed his neurosurgery residency training in Madrid-Spain at the Hospital Clinico San Carlos. After completing his residency training, Dr. Avecillas completed subspecialized training in neurosurgical oncology and radiosurgery at the Cleveland Clinic and stereotactic and functional neurosurgery at the Vancouver General Hospital in Canada and Mount Sinai Health System in New York.

Dr. Avecillas is fluent in English and Spanish. His main clinical interests include the neurosurgical management of pain including trigeminal neuralgia, cancer pain, persistent chronic neuropathic pain after spine surgery, and other pain conditions. His clinical interest also includes movement disorders, psychiatric disorders, and epilepsy.



  • Residency:  Universidad Complutense de Madrid, Hospital Clinico San Carlos (Madrid, Spain)
  • Fellowship:  Surgical Neuro-Oncology and Radiosurgery, Cleveland Clinic, Cleveland, Ohio
  • Fellowship:  Stereotactic and Functional Neurosurgery, University of British Columbia, Vancouver General Hospital (Vancouver, Canada)
  • Fellowship:  Stereotactic and Functional Neurosurgery & Epilepsy, Mount Sinai iCahn  School of Medicine, New York
Patient Care
Hospital Appointments:
  • Nebraska Medicine
For more information about Dr. Avecillas-Chasin and his procedures, visit the Nebraska Medicine website:  Dr. Josue Avecillas-Chasin


Research Interests
Dr. Avecillas is actively involved in research through personal projects and multiple national and international collaborations. Currently, his research is mainly focused on the detailed description of the brain circuits and how this will impact our neuromodulation techniques when applied in a personalized manner. Dr. Avecillas has received several grants and awards including the “young neurosurgeon award” by the World Federation of Neurosurgical Societies in 2016 and the “Stereotactic and functional young neurosurgeon clinical award” by the Congress of Neurological Surgeons in 2021 for his work on personalized neuromodulation therapies.