Dr. Gisoo Zarrabi

Darrell Deguzman, PMHNP-BC, FNP-C
Psychiatric Nurse Practitioner

Darrell Deguzman, PMHNP-BC, FNP-C

Darrell Deguzman is an ANCC Board Certified Psychiatric Nurse Practitioner who has been working as a Psychiatric-Mental Health Nurse Practitioner (PMHNP) since 2019. He has experience with the diagnosis, evaluation, and treatment of psychiatric symptoms, including psychiatric medication management. He specializes in the management of anxiety, depression, and other mood disorders in adults.

Darrell received his master’s degree in Family Nurse Practitioner (MSN) from the United States University and his post-certification in Psychiatric Mental Health Care at the National University. Darrell’s residency was done at Aurora Behavioral Health, PCSD Chula Vista, Otay Family Health Center, San Miguel Clinica Medica, and San Ysidro PACE. He has worked as part of multidisciplinary teams, having collaborated with psychiatrists, nurses, social workers, psychologists, occupational therapists, and other health professionals.

Darrell is committed to providing comprehensive and individualized care. He aims to use his diverse nursing experience to create treatment plans that are culturally sensitive and carefully tailored to each patient’s medical and psychiatric needs.

He also strives to instill hope, help patients identify their strengths and available resources, empower them to overcome challenges and make positive changes, and assist them in developing the skills they need to lead healthy, productive lives.

Darrell looks forward to helping you achieve your health and wellness goals.

Grace Kwon, DO
Psychiatrist
Associate Medical Director

Erin Benesch, DO
Psychiatrist
Associate Medical Director

Kiefer Greenspan, MD
Psychiatrist
Supervising Physician

Arde Anoshivani, MD
Psychiatrist
Addiction Specialist

G. Mustafa Surti, MD
Psychiatrist
Geriatric Psychiatry Specialist

Anthony Mele, Psy.D.
Clinical Director
Psychologist

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

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

Helen Kienzle, Ph.D.
Psychologist

Aidin Tajbakhsh PhD, BCB, BCN

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

Kelly D. Krueger, Psy.D.
Psychologist

Natalie Do, Ph.D.
Psychologist

Gauri Saxena, Ph.D.
Clinical Psychologist
Maternal Health Specialist

Hasti Zand Psy.D.
Psychologist

Michelle McGuire Psy.D.
Psychologist

Mimi Amaral, Psy.D.
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

Thomas Bales, 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

Danichi Yoshida, PA-C
Physician Assistant
Geriatric Specialist

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

Max Kupferman PA-C
Physician Assistant
Lead Advanced Practitioner

Chelsea Galdo, PA-C
Physician Assistant

Darrell Deguzman, PMHNP, FNP
Psychiatric Nurse Practitioner

Kristin Wilkerson, PMHNP, DNP
Psychiatric Nurse Practitioner

Jennifer Tustison, PMHNP, FNP
Psychiatric Nurse Practitioner

Nimisha Jain, PA-C
Physician Assistant

Sarah Rezaee, PMHNP-BC
Psychiatric Nurse Practitioner

Dariya Pak PMHNP-BC

Psychiatric Nurse Practitioner

Mark Anantiyo, PA

Physician Assistant

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