Sean Leonard, PMHNP-BC

Sean Leonard, PMHNP-BC

Family Psychiatric & Mental Health Nurse Practitioner
3609 Ocean Ranch Blvd, Oceanside, CA
Sean Leonard, PMHNP-BC, helps teens and adults across California manage complex mental health conditions through personalized, evidence-based psychiatric care, including medication management and advanced treatments. As a Nurse Practitioner at LifeStance Health, he partners with patients to address symptoms, improve daily functioning, and support long-term stability. Sean specializes in treating ADHD, anxiety, and substance use concerns, while also supporting individuals facing depression and other mental health challenges. Sean provides care for teens, young adults, adults, and seniors, offering thoughtful evaluation and treatment planning tailored to each stage of life. He has experience working with diverse populations, including individuals with autism spectrum disorders, military and veteran communities, and those identifying as LGBTQ+. His approach emphasizes understanding each patient's unique experiences while delivering clinically sound care that addresses both mental health and co-occurring medical concerns. Sean is committed to helping individuals build resilience, manage symptoms such as mood instability or sleep disturbances, and achieve meaningful progress toward their goals. He is bilingual and offers care in Spanish, helping expand access to mental health treatment for a broader community. Outside of his clinical work, Sean enjoys mountain biking and spending quality time with his family.

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Available appointments

Today, Jul 18 – Fri, Jul 31
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About Sean Leonard

Focus areas

Anxiety
Bipolar Disorder
Gender Affirming Counseling
Attention-Deficit / Hyperactivity Disorder (ADHD)
Depression
Life Transition
Bereavement / Grief Counseling
Eating Disorder

Clientele seen

Teenagers (13-17)
Seniors (65+)
Young adults (18-24)
Individuals
Adults (25-64)

Identity

Gender

Male

Languages spoken

English, Spanish

Getting to know Sean Leonard

Sean Leonard, PMHNP-BC, helps teens and adults across California manage complex mental health conditions through personalized, evidence-based psychiatric care, including medication management and advanced treatments. As a Nurse Practitioner at LifeStance Health, he partners with patients to address symptoms, improve daily functioning, and support long-term stability. Sean specializes in treating ADHD, anxiety, and substance use concerns, while also supporting individuals facing depression and other mental health challenges. Sean provides care for teens, young adults, adults, and seniors, offering thoughtful evaluation and treatment planning tailored to each stage of life. He has experience working with diverse populations, including individuals with autism spectrum disorders, military and veteran communities, and those identifying as LGBTQ+. His approach emphasizes understanding each patient's unique experiences while delivering clinically sound care that addresses both mental health and co-occurring medical concerns. Sean is committed to helping individuals build resilience, manage symptoms such as mood instability or sleep disturbances, and achieve meaningful progress toward their goals. He is bilingual and offers care in Spanish, helping expand access to mental health treatment for a broader community. Outside of his clinical work, Sean enjoys mountain biking and spending quality time with his family.

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In-network insurances

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Popular visit reasons

Agoraphobia
Attention-Deficit / Hyperactivity Disorder (ADHD)
Depression
New Patient Visit
Pediatric Tics / Tourette Syndrome
Psychiatry Consultation
Sleep Problems
Young Adult Issues
Agoraphobia
Attention-Deficit / Hyperactivity Disorder (ADHD)
Depression
New Patient Visit

Office location

Sean Leonard, PMHNP-BC also offers online video visits for patients
LifeStance Health - Southern California- 2
3609 Ocean Ranch Blvd, Oceanside, CA 92056

Education and background

Practice names

Board certifications

  • American Nurses Credentialing Center

Education and training

  • Walden University, Master's in Nursing

NPI number

1518458165

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Frequently asked questions

How soon can I make an appointment with Sean Leonard?

Generally, Sean Leonard has appointments available on Zocdoc within 1 week. You can see Sean Leonard's earliest availability on Zocdoc and make an appointment online.

Is Sean Leonard accepting new patients?

Sean Leonard generally accepts new patients on Zocdoc. You can see Sean Leonard's earliest availability on Zocdoc and schedule an appointment online.

Does Sean Leonard accept my insurance?

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Can I make an appointment with Sean Leonard online?

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What practice does Sean Leonard work with?

Where is Sean Leonard's office located?

Sean Leonard has 2 office locations in Oceanside, view full addresses on Sean Leonard's profile.

Which board certifications does Sean Leonard have?

Sean Leonard is certified by American Nurses Credentialing Center.

What are common reasons for patients to see Sean Leonard?

Sean Leonard frequently sees patients for Attention-Deficit / Hyperactivity Disorder (ADHD), Depression, New Patient Visit, Psychiatry Consultation, and Sleep Problems. You can see other visit reasons for Sean Leonard on their profile.

What languages does Sean Leonard speak?

Sean Leonard speaks English and Spanish.

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