Psychiatric Nurse Practitioners
Zach Andrejczuk, DNP, PMHNP-BC
Psychiatric Nurse Practitioner
He/Him/His
Zachary joins CTSA as a Psychiatric Mental Health Nurse Practitioner specializing in child and adolescent psychiatry. He earned his Doctor of Nursing Practice from Rush University in Chicago, Illinois, and completed his undergraduate degrees in Nursing at the Community College of Baltimore County and Stevenson University, respectively.
Before his nursing career, Zach spent five years in the U.S. Navy, where he specialized in communication and search and rescue. He has over 15 years of experience working directly with patients. After many years in cardiac surgery, he transitioned to the emergency room, where he discovered his passion for psychiatry. Since then, he has worked in various psychiatric emergency and inpatient units, caring for patients of all ages and addressing a wide range of psychiatric disorders.
Most recently, Zach has focused exclusively on child and adolescent patients at a renowned local children’s hospital, managing numerous cases involving disorders such as ADHD, anxiety, depression, and other mood disorders.
Born and raised in Baltimore, Maryland, he returned to the area after living in California and Japan to give back to the local community. In his free time, he enjoys football (soccer) and supports Manchester City. Zach has a wonderful family with two older children: his daughter, a sophomore at Thomas Jefferson University, and his son, a freshman at the Gilman School.
Helen Loeffler, MSN, RN, PMHNP-BC
Psychiatric Nurse Practitioner
She/her/hers
Helen joins CTSA as a Psychiatric Mental Health Nurse Practitioner following a post-graduate program with Frontier Nursing University. She earned her Master of Science in Nursing with a specialty in Midwifery from Frontier in 2012. Her undergraduate training includes a BA in Psychobiology from Swarthmore College (2004) and an accelerated BSN from Drexel University (2006).
With over a decade of experience in reproductive health, Helen has worked in postpartum/newborn nursing, full-scope midwifery care, and nursing education. She holds a certification in Perinatal Mental Health through Postpartum International and is passionate about working with this population. In addition to reproductive psychiatry, she provides medical management for various conditions, including mood disorders, anxiety, ADHD, eating disorders, and PTSD.
Helen transitioned to psychiatric nursing in response to the need she observed for comprehensive, compassionate mental health care. She utilizes her midwifery background to be present with, listen to, and collaborate with clients. Valuing shared decision-making, she creates an environment that trusts clients’ expertise in their own self. Helen views medication as one component of a personalized approach to mental health, best utilized in combination with therapy and holistic wellness care.
A native of New Jersey, Helen and her family have lived in the Baltimore area since 2012. She stays busy caring for her two elementary school-aged daughters and walking their rescue hound, Leia.