Welcome To Our New Providers


We’re excited to welcome Brianne Flexen, PMHNP, Psychiatric NP, Carlo (Marlon) Estella, PMHNP , and Anna Sealander-Hulbert, APCC to our New U family.

Welcoming these highly skilled providers helps us to continue our goal of expanding access and enhancing the quality of care for our patients. Their expertise and dedication will further enrich our services, ensuring that we continue to meet the diverse needs of our clients.

Brianne Flexen, PMHNP, Psychiatric NP

Brianne Flexen is a board certified Psychiatric Mental Health Nurse Practitioner and has over 16 years of nursing experience in the psychiatric setting ranging from pediatric and adult inpatient care to community mental health crisis stabilization, substance abuse treatment, and eating disorders. She received her Bachelor of Science in Nursing at Chamberlain University with Presidents Honors.


Marlon Carlo Estella, PMHNP, Psychiatric NP

Carlo has over 12 years in the medical field working in the acute care setting as a registered nurse. As an emergency room nurse, he helped provide immediate and specialized care to patients in medical crises. He also has experience as a charge nurse at an addiction medicine clinic.

Anna Sealander-Hulbert, APCC

Anna specializes in providing integrative psychotherapy services to adults focusing on developing healthy coping skills, resilience, self-awareness, and a sense of well-being and meaning in their lives. She has worked to address diverse challenges such as life transitions, sexual dysfunction, anxiety and depression, and trauma.