Dr. Gisoo Zarrabi

Olivia DeFilippo, PMHNP-BC
Psychiatric Nurse Practitioner
Eating Disorders Specialist

Olivia DeFilippo, PMHNP-BC

Olivia is a board-certified Psychiatric Mental Health Nurse Practitioner who specializes in the treatment of eating disorders, obsessive-compulsive disorder, and psychosis for children, adolescents, and adults. Olivia is committed to working alongside her patients to create an individualized treatment plan that includes psychopharmacology and psychotherapy. Olivia incorporates mindfulness, lifestyle modifications, and nutrition into her medical practice.

Olivia completed her Bachelor of Science in Nursing from James Madison University in Harrisonburg Virginia. Olivia then continued her education and graduated with her Master’s in Nursing from Regis College in Wellesley Massachusetts. During her education, Olivia received specialized training in psychopharmacology from Harvard University-educated physicians. Under preceptorship, Olivia received additional education in cognitive behavioral therapy (CBT) and eye movement desensitization and reprocessing (EMDR).

Her training includes residential eating disorder treatment and inpatient psychotic disorders. Olivia believes in a comprehensive and collaborative approach while caring for her patients. She creates a welcoming environment for her clients and believes that successful treatment is achieved through a holistic model of spiritual, social, emotional, and physical factors.

When she is not actively caring for her clients she can be found spending time outdoors, drinking smoothies and reading.

Grace Kwon, DO
Psychiatrist
Associate Medical Director

Erin Benesch, DO
Psychiatrist
Associate Medical Director

Kiefer Greenspan, MD
Psychiatrist
Associate Medical Director

G. Mustafa Surti, MD
Psychiatrist
Geriatric Psychiatry Specialist

Arde Anoshivani, MD
Psychiatrist
Addiction Specialist

Anthony Mele, Psy.D.
Clinical Director
Psychologist

Harrell Reznick, Ph.D.
Psychologist

Ralph Kuechle, Ph.D.
Psychologist
Child & Adolescent Specialist

Dina Zayat, Psy.D.
Psychologist
Marriage & Family Specialist

Helen Kienzle, Ph.D.
Psychologist

Vanessa C. Staples, Ph.D.
Psychologist

Aidin Tajbakhsh, Ph.D.
Psychologist

Mary Berst, Ph.D.
Psychologist

Cynthia Nakoski, Psy.D.
Psychologist

Cathy Francis, Psy.D.
Psychologist

Debra Hadden, Psy.D.
Psychologist

Nicole Mantegna, Psy.D.
Psychologist

Balaji Nettimi, Psy.D.
Psychologist

John Chapman, Ph.D.
Psychologist

Sherri Tanferani, Ph.D.
Psychologist

Kristen G. Riedle, Ph.D.
Clinical Psychologist

Kelly D. Krueger, Psy.D.
Psychologist

Galya Cohen, Psy.D.
Psychologist

Natalie Do, Ph.D.
Psychologist

Gauri Saxena, Ph.D.
Clinical Psychologist

Amanda Nelson, PA-C, PMH-C
Maternal Mental Health Specialist

Tannaz Jourabchian, PA-C
Physician Assistant

Ando Muneno, PA-C
Physician Assistant
Ketamine Treatment Specialist

Lauren Dunn, PMHNP-BC
Psychiatric Nurse Practitioner
Ketamine Treatment Specialist

Morgan McClafferty, PA-C
Physician Assistant
Treatment Resistant Depression Specialist

Thomas Bales, PA-C
Physician Assistant
Ketamine Treatment Specialist

Danichi Yoshida, PA-C
Physician Assistant

Max Kupferman PA-C
Physician Assistant

Gail Bernstein PMHNP-BC
Psychiatric Nurse Practitioner

Chelsea Galdo, PA-C
Physician Assistant

Olivia DeFilippo, PMHNP-BC
Psychiatric Nurse Practitioner
Eating Disorders Specialist

Kristin Wilkerson, PMHNP, DNP
Psychiatric Nurse Practitioner

Darrell Deguzman, PMHNP, FNP
Psychiatric Nurse Practitioner

Jennifer Tustison, PMHNP, FNP
Psychiatric Nurse Practitioner

Nimisha Jain, PA-C
Physician Assistant

Sarah Rezaee, PMHNP-BC
Psychiatric Nurse Practitioner

Joseph Wilkinson PMHNP, FNP
Psychiatric Nurse Practitioner

Dariya Pak PMHNP-BC
Psychiatric Nurse Practitioner

Brett Larson, PA-C
Physician Assistant

About Harbor Psychiatry & Mental Health

We believe outstanding healthcare is delivered when we merge the science of medicine with the compassion of our hearts. We refer to this as “head and heart together,” inspiring constant improvement and lasting success.
Psychiatrists Orange County CA
Psychologists Orange County CA