Dr. Jason Greenhagen is originally from Tennessee and graduated from Lincoln-Memorial University, DeBusk College of Osteopathic Medicine in 2014. He then completed his general psychiatry residency at Rowan School of Osteopathic Medicine in 2018, where he also held the title of chief resident. After his residency, he specialized in geriatric psychiatry at the New Jersey Institute for Successful Aging. He is licensed to practice in Tennessee. His professional interests include maintaining independence and dignity for the elderly as well as working with patients with varying types of dementia.

Lori is a Board Certified Psychiatric Mental Health Nurse Practitioner who joined Vanderbilt Child and Adolescent Psychiatry in 2023.  She received her Bachelor of Science Degree from Dakota Wesleyan University, Mitchell, SD and her Master of Science Degree from The Ohio State University, Columbus, OH (2020). 
 
Prior to joining VUMC, she worked in a small rural community in Southwest Minnesota as a Psychiatric Mental Health Nurse Practitioner. She has provided mental health care to pediatric and adolescents with a variety of diagnosis including autism spectrum disorder, fetal alcohol spectrum disorder, ADHD/ADD, mood disorders, anxiety and major depressive disorders via Telehealth and on-site visits. She previously worked as a Registered Nurse for 10 years in acute care, emergency room, and clinic in a rural hospital in Southwest Minnesota.