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Neurosurgery Residents at UNC Health During COVID-19

Chief Residents

Weston Northam, MD

Weston Northam, MD

Dr. Northam grew up in Virginia Beach and attended the College of William and Mary where he graduated with a BS in Neuroscience. He then received his MD at Eastern Virginia Medical School, and was inducted to AOA during his junior year. During the course of his neurosurgery residency at UNC, he spent a year at the Matthew Gfeller Center studying traumatic brain injury under the leadership of Kevin Guskiewicz. He plans to pursue a fellowship in pediatric neurosurgery and is interested in epilepsy, oncology, and trauma.

When out of the hospital, Dr. Northam enjoys being out on the water, wakeboarding, boating, golfing, hiking, and spending time outside with his wife and chocolate lab.


Joshua Lowenstein, MD

Joshua Loewenstein, MD

Dr. Loewenstein was born and raised in northern New Jersey. He attended Emory University for undergrad and then went on to medical school at Rutgers University in Newark, NJ before matching into in the UNC neurosurgery program. During his time at UNC, Josh has been involved in multiple hospital committees, including the OR Residents Leadership Group, UNC Medical Center Improvement Council, and Neurology/Neurosurgery Quality Council.  Additionally, Josh utilized the time during his research year to complete an MBA at UNC Kenan-Flagler Business School with an Enrichment in Healthcare. With his business degree, Josh plans to pursue opportunities in healthcare venture capital as well as provider side healthcare administration.

His academic interests include quality and outcomes research with regard to certain neurosurgical procedures and more broadly exploring healthcare system strategies for decreasing opioid dependence and abuse. Within neurosurgery, Josh has broad clinical interests, including degenerative spinal disease, brain tumors, and functional neurosurgery. In his free time, Josh enjoys traveling with his fiancé Erin (an anesthesia resident at UNC), playing golf, watching sports, hiking, and going to the beach.


Dr. Brice Kessler

Brice Kessler, MD
Dr. Kessler received his Bachelor’s degree in Biology and Neuroscience from the University of South Carolina Honors College in Columbia, SC. Between college and medical school he worked as a research assistant at the NIH in Baltimore, MD. He subsequently attended the University of North Carolina School of Medicine, graduating in 2015. During residency, he used his research time to attend the UNC Kenan-Flagler School of Business and anticipates completing his MBA in 2021. His research and clinical interests include quality improvement, coding/documentation/reimbursement initiatives, and functional neurosurgery.

Outside of residency he enjoys woodturning, woodworking, rowing, and spending time with his husband and pet Rottweiler.

Michael Catalino, MD

Michael Catalino, MD

Dr. Catalino comes to the University of North Carolina from Georgetown University School of Medicine. He grew up in Webster, NY, and has three younger siblings. Dr. Catalino played collegiate lacrosse at Duke University where he led the Blue Devils to their first NCAA Championship in 2010. He also completed a master’s degree in Global Health at the Duke Global Health Institute in 2010. As an aspiring neurosurgical oncologist, he is interested in brain and pituitary tumors. He completed an enfolded clinical fellowship from 2019-2020 in pituitary surgery and neuroendoscopy under Dr. Edward Laws at Brigham and Women’s Hospital/Harvard Medical School in Boston. He studies the diagnosis and management of Cushing disease, and was the recipient of the 2020 bronze medal award for skull base research at the 2020 AANS/CNS Tumor Section Meeting for his work on corticotroph hyperplasia. Dr. Catalino is also interested in the intersection between intrinsic brain tumors and functional pituitary tumors as they relate to cognitive and memory dysfunction.

Dr. Catalino loves spending time with his wife and children. They cook together, play outside, and walk the neighborhood trails. Dr. Catalino also enjoys camping and backpacking in his free time.


Neurosurgery Resident Dr. Randaline Barnett

Randaline (Randi) Barnett, MD

Dr. Barnett was born and raised in a small town in eastern Kentucky, and attended college and medical school at the University of Kentucky. She fell in love with the neurosurgery program at UNC after witnessing the camaraderie amongst the residents and hearing about the well-rounded nature of all the faculty both in and outside of work.

Dr. Barnett is currently interested in pursuing a fellowship in pediatric neurosurgery. Her research interests include pediatric hydrocephalus and epilepsy. Outside of work, she enjoys going to the beach, hiking, and spending time with her family. Last August, Dr. Barnett and her husband welcomed their first child, a baby girl, to their family.

Neurosurgery resident Dr. Martin Piazza

Martin Piazza, MD

Dr. Piazza grew up in the suburbs of Washington, DC and graduated from Princeton University with a degree in Chemistry and Materials Science and Engineering prior to moving to North Carolina for medical school at Wake Forest School of Medicine. It was there that he discovered neurosurgery. Between his 3rd and 4th years of medical school, Dr. Piazza spent a year at the NIH/NINDS Surgical Neurology Branch through the Medical Research Scholars Program where he studied brain tumor associated edema models with the goal to better understand intraoperative drug delivery systems. He chose to stay in North Carolina for residency at UNC because during his residency interview, he was impressed by the unparalleled collegiality among the attendings and residents. He was also impressed that the leadership at UNC has a unique educational environment focused on helping develop the well-rounded neurosurgeon while also individualizing opportunities to reach each trainee’s career goals; these continue to remain true today.

Dr. Piazza’s academic interests include pediatric neurosurgery as well as adult and pediatric spinal deformity and scoliosis. Outside of work, Dr. Piazza enjoys running, cooking, and exploring local breweries and restaurants.


Michael Catalino, MD

Darshan Shastri, MD
Darshan Shastri is a fourth year neurosurgery resident who grew up in New Jersey. He went to Johns Hopkins University and attained a Bachelor’s degree in Neuroscience. He obtained his Master’s Degree in Medical Sciences from Boston University and attained his medical degree from Rutgers New Jersey Medical School. He was elected to Alpha Omega Alpha Honor Society as a junior and received the Merck Award for Academic Excellence for graduating at the top of his class. His interest is in cerebrovascular and endovascular neurosurgery and he has published research on hemodynamics of aneurysm formation as well as various endovascular therapies.

He has an interest in furthering resident education and has worked to create transition to intern year and PGY-2 handbooks as well as working to secure a grant funding anastomosis training microscopes for all residents in the program to practice microsurgical techniques at home. His hobbies include hiking, cooking, and snowboarding.

Dr. Nathan Quig

Nathan Quig, MD

Prior to medical school, Dr. Quig served in the marines for four years. He graduated from medical school at the University of North Carolina and knew that he wanted to stay at UNC for residency training because of the collegial and educational environment created by UNC’s leadership. Dr. Quig is currently planning on pursuing an enfolded endovascular fellowship during residency, and plans to pursue further fellowship training in skull base and open vascular neurosurgery following residency training.

His research interests include atraumatic subarachnoid hemorrhage and pituitary tumors. Outside of work, Dr. Quig enjoys woodworking.


Andrew Abumoussa, MD

Andrew Abumoussa, MD
Born in Egypt, Dr. Abumoussa and his family ultimately found their way to Hendersonville, NC. As an undergraduate at UNC, he studied math and computer science. He worked as a software engineer building smart home technology for assistive living after graduation and went on to study high performance computing and artificial intelligence in graduate school. He returned home  for medical school and neurosurgery residency. His interests include complex spine and neuroprosthetics.
Currently, in his free time, he is trying to learn the piano with his wife and daughter.

Kelly Chamberlin, MD

Kelly Chamberlin, MD

Dr. Chamberlin grew up in Petaluma, California. The first in her family to attend college, she earned a bachelor’s degree in neuroscience from UCLA. She went on to graduate medical school from the Frank H. Netter MD School of Medicine at Quinnipiac University. Her passion for neurosurgery was sparked by mentorship from neurosurgery faculty at Yale University. Dr. Chamberlin’s interests in neurosurgery are broad and include brain tumors, pediatrics, and neurocritical care. She currently serves on the Neuro-ICU Quality Improvement Committee.

Dr. Chamberlin participated in the couples match with her husband, who is a pathology resident physician at UNC. In her time away from the hospital, she enjoys spending time outdoors with her husband and their rescue pit bull, Chance.


Samuel Reed, MD

Samuel Reed, MD
Dr. Reed was born and raised just down the road from Chapel Hill, in Winston-Salem, NC. He’s a Tar Heel through and through, having attended the University of North Carolina at Chapel Hill for both his undergraduate and medical school education. His interests in neurosurgical subspecialties are still being formed, but he particularly enjoys vascular surgery and skull base surgery.

Outside of neurosurgery he loves running and hiking with his wife and two dogs.

Aaron Gelinne, MD

Aaron Gelinne, MD

Dr. Gelinne was born in Monterey, CA but was primarily raised in Burke, Virginia. He graduated from the University of Rochester with a Bachelor of Science in Biomedical Engineering. Following college, he spent five years in the US Navy as a Nuclear Engineering Officer before making the decision to return to medical school. He received his MD from the Larner College of Medicine at the University of Vermont.

He is particularly interested in integrating his engineering background to come up with innovative solutions to neurosurgical problems. Though undecided, he is interested in spine and vascular neurosurgery. During his free time, he enjoys windsurfing and spending time with his wife and daughter.


Nicole Silva MD

Dr. Silva was born and raised in New Jersey. Her parents immigrated from Portugal and she prides herself in being a first generation American and the first person in her family to become a physician. She attended University of Pittsburgh in Pittsburgh, PA, receiving a Bachelor of Science in Neuroscience and was inducted into Phi Beta Kappa Honor Society.

She returned to her home state to pursue medicine, attending Rutgers New Jersey Medical School. Nicole earned her MD in 2020 with a distinction in Global Health, where she focused on immigrant health of Portuguese-speaking populations in New Jersey as well as organized a medical student rotation in Brazil. As a third-year medical student, she rotated with a neurosurgery department in the Amazon region of Brazil, where her research interests evolved to understand and improve neurosurgical care in a low-to-middle income region. She was inducted into the Gold Humanism Honor Society and received the Edward J. Ill Excellence in Medicine Scholarship as a fourth-year medical student.

Her research interests include global neurosurgery, public health, reducing gender and minority disparities in medicine, vascular neurosurgery and neurotrauma. Dr. Silva enjoys spending time with family and friends, indulging in Portuguese and Brazilian foods and music, planning her next travel destination, and spending weekends at the beach.

Bethany Andrews, MD

Dr. Andrews grew up in a small town in Oklahoma and attended Oklahoma State University, where she received a Bachelor of Science in Biochemistry as well as Microbiology, followed by medical school at the University of Oklahoma. Having lived in Suriname, South America as a child and experiencing firsthand the effects that lack of proper health care can have on a society, Dr. Andrews became interested in pursuing a career in the field of medicine at a young age, particularly global health opportunities and working with underserved populations. As a medical student, she was introduced to neurosurgery and was immediately drawn to the field.

Her hobbies include dance and the performing arts, spending time with family and friends, trying new foods, traveling, and barre workout classes.


Neurosurgery Resident Videos

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