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 and Neuroscience Leadership 


Dr. Tom Devlin
Thomas Devlin, MD, PhD, FSVIN

CHI Memorial Neuroscience Institute Medical Director, Neurologist 

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Headshot of Diona Brown
Diona Brown, BSN, MSHSA, RN, NE-BC

Senior Vice President Operations, Cardiovascular and Neurosciences


Endovascular Team


Dr. Mayshan Ghiassi
Mayshan Ghiassi, MD, FAANS

Director of Skull Based & Endovascular Neurosurgery, Cerebrovascular Endovascular Neurosurgeon

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Headshot of Dr. Jussie Correia Lima
Jussie Lima, MD

Interventional and Vascular Neurologist

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Trevor Wright
Trevor Wright, MSN, APRN, FNP-BC

Interventional Neurology Nurse Practitioner

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Neurosurgery Team


Dr. Ranjith Babu
Ranjith Babu, MD

Director of NeuroOncology, Neurosurgeon

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Dr. Mayshan Ghiassi
Mayshan Ghiassi, MD, FAANS

Director of Skull Based & Endovascular Neurosurgery, Cerebrovascular Endovascular Neurosurgeon

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Dr. Paul Hoffmann
Paul Hoffmann, MD

Physical Medicine and Rehabilitation (PM&R), Physiatrist 

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Sydney Adams
Sydney Adams, MSPA, PA-C

Neurosurgery Physician Assistant 

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Nicole Bratchenko
Nicole Bratchenko, MSN, ACNP-BC

Neurosurgery Nurse Practitioner 



Sara Darden
Sara Darden, MMSc-PA, PA-C

Neurosurgery Physician Assistant

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Maegen Frizzell
Maegen Frizzell, MSPA, PA-C

Physical Medicine and Rehabilitation Physician Assistant

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 caduceus
Veronica Paz, MMSc, PA-C

Neurosurgery Physician Assistant


Stroke/TIA Outpatient Clinic


Dr. Tom Devlin
Thomas Devlin, MD, PhD, FSVIN

CHI Memorial Neuroscience Institute Medical Director, Neurologist 

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Hospital Care Team


Dr. Elizabeth Carroll
Elizabeth Carroll, DO

Neurologist



Dr. Abhishek Kengen
Abhishek Kengen, MD

Neurologist, Clinical Neurophysiology/Epilepsy 

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Dr. Richir Shah
Ruchir Shah, MD

Medical Director of Stroke Program, Neurologist 

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Jennifer Blankenship
Jennifer Blankenship, DNP, FNP-BC

Acute Care Nurse Practitioner



Taylor Eldridge
Taylor Eldridge, MSN, APRN, AGACNP-BC, FNP-BC

Acute Care Nurse Practitioner



Sara-Page Red
Sara-Page Red, MSN, APRN, AGACNP-BC, SCRN

Acute Care Nurse Practitioner 

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Cole Taylor
Cole Taylor, DNP, AGACNP-BC

Acute Care Nurse Practitioner



Diana Taylor
Diana Taylor, DNP, APRN, AGACNP-BC, PCCN

Acute Care Nurse Practitioner


Stroke Education and Support 


Lauren Daniel
Lauren Daniel, LPN

Quality Abstractor



Alicia Johnson
Alicia Johnson, CM

Cardiac Neuro Case Manager



Erin Patterson
Erin Patterson, BSN, RN

Stroke Coordinator



Matthew Safer
Matthew Safer, BSN, RN

Director of Telemedicine



Alyssa Wooden
Alyssa Wooden, BSN, RN

Stroke Navigator