Neuroscience Team
CHI Memorial’s multidisciplinary team of neurologists, neurointerventionalists, neurosurgeons, advanced practice providers, and other specialists offer the highest quality of care for people with common and complex blood flow problems of the brain and other challenging neurovascular problems. Our collaborative approach depends on the expertise and experience of specialists who are highly trained in their respective fields.
Stroke & neuroscience leadership
Thomas Devlin, MD, PhD, FSVIN
CHI Memorial Neuroscience Institute Medical Director, Neurologist
Jennifer Patterson, PhD, ACNP-BC, ANVP-BC, CCRN, FHM
Director of Neuroscience Operations
Endovascular team
Mayshan Ghiassi, MD, FAANS
Director of Skull Based & Endovascular Neurosurgery, Cerebrovascular Endovascular Neurosurgeon
Trevor Wright, MSN, APRN, FNP-BC
Stroke & Cerebrovascular / Endovascular Nurse Practitioner
Neurosurgery team
Ranjith Babu, MD
Director of NeuroOncology, Neurosurgeon
Mayshan Ghiassi, MD, FAANS
Director of Skull Based & Endovascular Neurosurgery, Cerebrovascular Endovascular Neurosurgeon
Sydney Adams, MSPA, PA-C
Neurosurgery Physician Assistant
Donald Hakes, PA-C
Neurosurgery Physician Assistant
Eileen Sheehan, NP
Neurosurgery Nurse Practitioner
Non-operative spine team
Paul Hoffmann, MD
Physiatrist (Physical Medicine and Rehabiltation (PM&R))
Maegen Frizzell, MSPA, PA-C
Physical Medicine and Rehabilitation Physician Assistant
Sheila Hutchens, MSN, FNP-C
Physical Medicine and Rehabilitation Nurse Practitioner
Stroke/TIA outpatient clinic
Thomas Devlin, MD, PhD, FSVIN
CHI Memorial Neuroscience Institute Medical Director, Neurologist
Jennifer Bryan, APRN, FNP-BC, CVRN-BC
Nurse Practitioner
Hospital care team
Ranjith Babu, MD
Director of NeuroOncology, Neurosurgeon
Elizabeth Carroll, DO
Neurologist
Emily DeCroos, MD
Neurologist
Thomas Devlin, MD, PhD, FSVIN
CHI Memorial Neuroscience Institute Medical Director, Neurologist
Mayshan Ghiassi, MD, FAANS
Director of Skull Based & Endovascular Neurosurgery, Cerebrovascular Endovascular Neurosurgeon
Abhishek Kengen, MD
Neurologist, Clinical Neurophysiology/Epilepsy
Nataria Pitiyanuvath, MD
Neurologist
Ruchir Shah, MD
Medical Director of Stroke Program, Neurologist
Crystal Anderson, MSN, AGACNP-BC
Acute Care Nurse Practitioner
Taylor Eldridge, MSN, APRN, AGACNP-BC, FNP-BC
Acute Care Nurse Practitioner
Shana Hilson, MSN, ACNP-BC
Acute Care Nurse Practitioner
Premal Patel, MSN, ACNP-BC
Acute Care Nurse Practitioner
Jennifer Patterson, PhD, ACNP-BC, ANVP-BC, CCRN, FHM
Director of Neuroscience Operations
Summer Morea, MSN, FNP-BC, ANVP-BC, ASC-BC
Acute Care Nurse Practitioner
Veronica Paz, MMSc, PA-C
Neurosurgery Physician Assistant
Tracy Robertson, MSN, APRN, AGACNP-BC, ANVP-BC
Acute Care Nurse Practitioner
Diana Taylor, DNP, APRN, AGACNP-BC, PCCN
Acute Care Nurse Practitioner
Ramya Worthington, MSN, AGACNP-BC
Acute Care Nurse Practitioner
Stroke education & support
Lauren Daniel, LPN
Quality Abstractor
Matthew Shafer, BSN, RN
Director of Telemedicine
Heather Guthrie, BSN, ACS-BC, SCRN
Stroke Coordinator
Jill McKenzie, BSN, SCRN
Stroke Coordinator
Alyssa Wooden, MSN, RN, NVRN-BC
Stroke Coordinator
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