Emily Missimer, PMHNP
Emily is available for in-person and virtual appointments.
Psychiatric Medication & Counseling
Children, Teens, & Adults
Emily sees patients ages 6 – 60. She provides treatment for most mental health challenges including ADHD, Bipolar Disorder, Anxiety, Depression, PTSD, Personality Disorders, Schizophrenia, Eating Disorders, Grief, and more.
Contact Emily for an appointment by sending us an online form, or calling our friendly receptionists!
Emily Missimer is a Psychiatric Nurse Practitioner Serving All Ages in Ashburn, Virginia.
She specializes in the following:

Emily, PMHNP-BC, ACNP-BC
Psychiatric Mental Health Nurse Practitioner
Emily is a dual board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) and Acute Care Nurse Practitioner (ACNP-BC) with a robust background in both mental health and acute medical care.
With nearly two decades of professional experience, Emily has provided compassionate and comprehensive care across diverse healthcare settings, from intensive care units to outpatient behavioral health.
Throughout her career, Emily has worked in prestigious institutions, including the University of Pennsylvania Health System and New York University Langone Medical Center. Emily’s diverse background includes experience in neurosurgery, palliative care, internal medicine, and psycho-geriatric services, equipping her to offer a holistic and multifaceted approach to mental health care.
Emily’s practice philosophy centers on building trusting relationships and tailoring treatments to meet each patient’s unique needs. She combines her extensive medical knowledge with a compassionate, patient-focused approach to help individuals achieve mental wellness and balance.
In her spare time, Emily is committed to professional development and is actively involved in organizations such as the American Academy of Nurse Practitioners, American Nurses Association, and Sigma Theta Tau. She is also an advocate for evidence-based practices and lifelong learning.
Certifications:
ANCC Psychiatric Mental Health Nurse Practitioner (PMHNP-BC)
ANCC Acute Care Nurse Practitioner (ACNP-BC)
Licensed CRNP, PMHNP, and RN in Virginia
American Heart Association BLS (Active)
DEA (Active)
Emily is proud to serve the Loudoun County community, bringing her expertise and dedication to improving mental health outcomes for her patients.