Gayatri Devi, MD, MS, FACP, FAAN
As a fourth-generation physician, service and care are ingrained in Dr. Devi's approach to medicine. She founded Park Avenue Neurology in 1999 to create a practice centered on individualized neurological care, combining academic medicine, clinical research, and long-term relationships with patients and their families.
Her career has focused on disorders of memory and cognition, Alzheimer's disease and related dementias, menopause-related cognitive symptoms, concussion, chronic pain, and other complex neurological conditions. Her work emphasizes individualized care, recognizing that brain disease is always experienced uniquely by each patient and family.
Dr. Devi is Clinical Professor of Neurology and Psychiatry at the Zucker School of Medicine at Northwell Health and an Attending Physician at Lenox Hill Hospital. Previous academic appointments include Columbia University, Downstate, and New York University. She served as Clinical Core Co-Director of the Taub Alzheimer's Disease Research Center at Columbia and as a Distinguished Visiting Professor at Weill Cornell Medical College.
Board-certified in Neurology, Psychiatry, Pain Medicine, Brain Injury Medicine, and Behavioral Neurology, Dr. Devi brings a multidisciplinary perspective to disorders of the brain, mind, and nervous system.
Full Curriculum Vitae →Dr. Devi has contributed to the understanding of Alzheimer's disease as a spectrum disorder, defined menopause-related cognitive impairment as a distinct and under-recognized clinical condition, and used TMS neuromodulation in the treatment of cognitive disorders.
She is the author of The Spectrum of Hope, A Calm Brain, and Estrogen, Memory and Menopause. She has served as a peer reviewer for the New England Journal of Medicine and the Lancet journals. Her work and commentary have been featured in The New York Times, The Wall Street Journal, TIME, NPR, BBC, CBS News, among others.
Throughout her career, Dr. Devi has been committed to public service and health education. One of her proudest accomplishments was founding and directing the Girls Get Healthy program, which provided for-credit health and sex education to more than 1,100 inner-city middle and high school girls annually for over a decade. She served as President of the American Medical Women's Association and the National Council on Women's Health.
She is a Consultant to the New York State Committee on Physician Health and serves on the boards of CaringKind, New York's leading dementia organization, Columbia University's School of Professional Studies, and the Central Park Conservancy.
A die-hard New Yorker, Dr. Devi enjoys time with family and friends, opera, horseback riding, perennial gardening, and Yankee baseball.
Our Team
Kristi Casale Mooney, NP
Nurse Practitioner
“What I love most about my job is getting to know our patients and building relationships with them. Being able to support them throughout their care is one of the most rewarding parts of my job.”
Kristi is a Nurse Practitioner with a special interest in neurology and geriatrics. She works closely with patients to provide personalized, compassionate care, emphasizing strong communication and trust. A dedicated clinician with seven years of experience, she earned her Bachelor of Science in Nursing from the University of Michigan and her Master's degree as an Adult Gerontology Acute Care Nurse Practitioner from New York University. Kristi has spent most of her clinical years working with neurologically ill patients at Memorial Sloan Kettering Cancer Center, where she developed her passion for working with complex patient populations. Originally from New Jersey, Kristi brings warmth, empathy, and a chatty and approachable nature to the practice. Outside of work, she enjoys traveling, exploring new restaurants, and cheering for her favorite sports teams.
Casey Emery, MSEd
Neuropsychologist
“I love helping patients discover their strengths and find new ways to keep their minds active. No two patients are alike, which makes every day meaningful.”
Casey Emery is a New York State-certified school psychologist who earned her M.S. from Long Island University. She conducts neurocognitive evaluations and develops individualized brain-training exercises designed to maintain and improve cognitive function. Casey brings enthusiasm, encouragement, and expertise to her work, helping patients feel supported throughout the process. A native New Yorker, she proudly calls Brooklyn home and comes from a dedicated family of Mets fans, with the youngest two being her children, Kaley and Nolan.
Karolina Marciniak-Agra, PhD
Neuroscience Researcher
“After years of studying the brain in a laboratory, there is nothing more rewarding than bringing that knowledge directly to the patient. I love seeing the immediate, human impact of our work — that real, meaningful relief.”
Karolina Marciniak-Agra holds a PhD from the International Max Planck Research School at the University of Tübingen and advanced training at leading research institutions. At Park Avenue Neurology, she administers TMS and EEG while playing a key role in advancing clinical research. Her published work spans primate cognition to hands-on care for patients navigating cognitive disorders and chronic pain. She holds an MSc in Psychology with a specialization in Clinical Psychology and a postgraduate diploma in Educational Psychology. Her multilingual abilities allow her to connect with New York City’s diverse community.
Olivia McWhirter, BS
Certified Medical Assistant
“I am honored to be a part of our patients' lives. The best part of my job is that the more I think I am helping them, the more I am actually learning from them.”
Olivia McWhirter is our Certified Medical Assistant. She graduated cum laude, majoring in psychology, from Stevenson University, before completing her CMA certification. Fluent in Italian, Olivia supplies our office with her signature olive oil from her family's grove in Lazio.
Becky Briggs
Medical Receptionist
“I am blessed working in our homey office with a great team.”
Becky, our medical receptionist and Captain of the office team, worked in the cardiac cath lab at Columbia for over 25 years. Becky is the core of our office, scheduling, reminding, and keeping us all in line. A dedicated fashionista, Becky has never been spotted in the same outfit twice.
“The Doctor's Dog Will See You Now” — The Wall Street Journal
Scooby Doo
Recreational Therapist
“Yeah, Yeah, Yeah!”
Scooby Doo serves as our office's Recreational Therapist. A Long Island native and recent recruit from the North Shore Animal League, Scooby brings boundless enthusiasm and unwavering dedication to his work. His mission is simple: to make everyone he meets just a little bit happier.
Celine
Staff Manager
“Arf!” Likely, “I am in charge!”
Celine, our staff manager, with her naturally kohl-lined eyes, is imperious in her dealings with the rest of the team and, in particular, Scooby Doo. She aims to be as renowned as the inimitable Lola, a beloved departed predecessor. Celine enjoys being Top Dog and barking, as and when she is so inclined.