Photo of Sandra Castillo, Psychiatric Nurse Practitioner, PMHNP-
Sandra Castillo
Psychiatric Nurse Practitioner, PMHNP-
Email Me
or
Email Me

Sandra Castillo

Psychiatric Nurse Practitioner, PMHNP-

Verified by Psychology Today Verified by Psychology Today
1 Endorsed
Call Me
Let's Connect (657) 695-1593
Photo of Sandra Castillo, Psychiatric Nurse Practitioner, PMHNP-
Available both in-person and online
710 North Spurgeon Street Santa Ana, CA 92701
I established this practice with a clear vision: to provide a more intentional and personalized approach to mental health care—one that seamlessly integrates cultural understanding with a refined, patient-centered experience. With over a decade of experience in the mental health field, my work is grounded in attentive listening, clinical expertise, and a deep respect for each individual’s unique story. My approach extends beyond symptom management. I prioritize meaningful, thoughtful dialogue, creating space to explore life’s complexities while collaboratively developing strategies that align with your personal goals and values.
As a Board-Certified PMHNP, I provide comprehensive psychiatric evaluations and personalized medication management. My approach is collaborative; I combine clinical expertise with your lived experience to find the right path forward.
Taking the first step toward mental health support can feel daunting, but you don’t have to navigate it alone. I am here to provide a safe, supportive environment where your concerns are heard and your goals are prioritized.
Call or Sandra Castillo now for a free 15 minute consultation - (657) 695-1593

My Practice at a Glance

Available both in-person and online

Scarlet Psychiatry

710 North Spurgeon Street

Santa Ana, CA 92701 map

(657) 695-1593

Oceanside, CA 92054

My website
Please click on my website to set up an appointment! Se aceptan nuevos pacientes para manejo de medicamentos y terapia.
I specialize in Life Transitions, Anxiety and Medication Management 
Initial Session Fee $200, Standard Visit $150, I accept insurance 
Individual one-on-one therapy 
Look forward to meeting you!
Sandra Castillo
Let's Connect (657) 695-1593
Photo of Sandra Castillo, Psychiatric Nurse Practitioner, PMHNP-

My Practice at a Glance

Available both in-person and online

Scarlet Psychiatry

710 North Spurgeon Street

Santa Ana, CA 92701 map

(657) 695-1593

Oceanside, CA 92054

My website
Please click on my website to set up an appointment! Se aceptan nuevos pacientes para manejo de medicamentos y terapia.
I specialize in Life Transitions, Anxiety and Medication Management 
Initial Session Fee $200, Standard Visit $150, I accept insurance 
Individual one-on-one therapy 
Look forward to meeting you!
Sandra Castillo

Finances

Fees

  • Initial Session Fee $200
  • Standard Visit $150
  • Sliding scale: apply if you may be eligible

Payment Methods

American Express, Discover, Health Savings Account, Mastercard, Visa

Insurance

  • Aetna
  • Anthem
  • Blue Cross
  • Carelon Behavioral Health
  • Cigna and Evernorth
  • Independence Blue Cross
  • Providence
  • Quest Behavioral Health
  • Out of Network
"
Initial Visits are $200 and follow-ups $150, but I accept most types of insurance. Please reach out with any questions, I'm happy to work with you to keep your care affordable.
Photo of Sandra Castillo, Psychiatric Nurse Practitioner, PMHNP-
Sandra Castillo
Psychiatric Nurse Practitioner, PMHNP-
Call or for a free 15 minute consultation now - (657) 695-1593
"
Initial Visits are $200 and follow-ups $150, but I accept most types of insurance. Please reach out with any questions, I'm happy to work with you to keep your care affordable.
Photo of Sandra Castillo, Psychiatric Nurse Practitioner, PMHNP-
Sandra Castillo
Psychiatric Nurse Practitioner, PMHNP-
Call or for a free 15 minute consultation now - (657) 695-1593

Qualifications

  • Verified by Psychology Today License: California / NP95032231 Sandra Stephanie Castillo
  • Education and Years In Practice

  • In Practice for 1 year
  • National University , MSN-PMHNP, Graduated 2024
  • Additional Credentials

  • Degree/Diploma from Santa Ana College Associates Degree in Nursing / 2018
  • Degree/Diploma from Cal State University Fullerton Bachelors Degree of Science in Nursing / 2021
"
Over 11 years of experience working in mental health and helping those in crisis. I'm licensed in California, Alaska, and Idaho. I also provide care in Spanish if needed. Credentialed with Independence Blue Cross Pennsylvania, Quest Behavioral Health, Carelon, Aetna, Anthem Blue Cross, & Cigna
Photo of Sandra Castillo, Psychiatric Nurse Practitioner, PMHNP-
Sandra Castillo
Psychiatric Nurse Practitioner, PMHNP-
Call or for a free 15 minute consultation now - (657) 695-1593
"
Over 11 years of experience working in mental health and helping those in crisis. I'm licensed in California, Alaska, and Idaho. I also provide care in Spanish if needed. Credentialed with Independence Blue Cross Pennsylvania, Quest Behavioral Health, Carelon, Aetna, Anthem Blue Cross, & Cigna
Photo of Sandra Castillo, Psychiatric Nurse Practitioner, PMHNP-
Sandra Castillo
Psychiatric Nurse Practitioner, PMHNP-
Call or for a free 15 minute consultation now - (657) 695-1593

Specialties and Expertise

Top Specialties

  • Life Transitions
  • Anxiety
  • Medication Management

Expertise

  • ADHD
  • Alcohol Use
  • Anger Management
  • Antisocial Personality
  • Autism
  • Bipolar Disorder
  • Child
  • Coping Skills
  • Depression
  • Eating Disorders
  • Grief
  • Men's Issues
  • Peer Relationships
  • Personality Disorders
  • Relationship Issues
  • Self Esteem
  • Self-Harming
  • Sleep or Insomnia
  • Teen Violence
  • Veterans
  • Weight Loss
  • Women's Issues
"
I work with clients who many be struggling with depression, anxiety or bipolar disorder. During our initial sessions, we will delve deeply into the issues at hand, and collaborate to create a plan for addressing them in a way that helps you get your life back. I am currently not prescribing controlled substances (benzo or stimulants). Feel free to text or call for more information.
Photo of Sandra Castillo, Psychiatric Nurse Practitioner, PMHNP-
Sandra Castillo
Psychiatric Nurse Practitioner, PMHNP-
Call or for a free 15 minute consultation now - (657) 695-1593
"
I work with clients who many be struggling with depression, anxiety or bipolar disorder. During our initial sessions, we will delve deeply into the issues at hand, and collaborate to create a plan for addressing them in a way that helps you get your life back. I am currently not prescribing controlled substances (benzo or stimulants). Feel free to text or call for more information.
Photo of Sandra Castillo, Psychiatric Nurse Practitioner, PMHNP-
Sandra Castillo
Psychiatric Nurse Practitioner, PMHNP-
Call or for a free 15 minute consultation now - (657) 695-1593

Endorsement

Brenna Dumerton
Brenna Dumerton
Psychiatric Nurse PractitionerPMHNPBC
I've had the pleasure of working with Sandra, she is highly knowledgeable with over ten years of psychiatric nursing experience. She is well respected by her colleagues and patients, and provides compassionate, patient-centered, nonjudgmental care.

Client Focus

Age

Adults
Elders (65+)

Participants

Individuals

Communities

Bisexual Allied
Gay Allied
HIV / AIDS Allied
Lesbian Allied
Non-Binary Allied
Queer Allied
Transgender Allied

Ethnicity

Asian
Hispanic and Latino

I also speak

Spanish

Age

Adults
Elders (65+)

Participants

Individuals

Communities

Bisexual Allied
Gay Allied
HIV / AIDS Allied
Lesbian Allied
Non-Binary Allied
Queer Allied
Transgender Allied

Ethnicity

Asian
Hispanic and Latino

I also speak

Spanish

Treatment Approach

Types of Therapy

  • Cognitive Behavioral (CBT)
  • Compassion Focused
  • Culturally Sensitive
  • Motivational Interviewing
"
I like to use cognitive behavioral therapy for our therapy sessions.
Photo of Sandra Castillo, Psychiatric Nurse Practitioner, PMHNP-
Sandra Castillo
Psychiatric Nurse Practitioner, PMHNP-
Call or for a free 15 minute consultation now - (657) 695-1593
"
I like to use cognitive behavioral therapy for our therapy sessions.
Photo of Sandra Castillo, Psychiatric Nurse Practitioner, PMHNP-
Sandra Castillo
Psychiatric Nurse Practitioner, PMHNP-
Call or for a free 15 minute consultation now - (657) 695-1593

Location

Primary Location

Scarlet Psychiatry

710 North Spurgeon Street

Santa Ana, CA 92701

(657) 695-1593

Additional Location

Oceanside, CA 92054

(657) 695-1593
"
Please click on my website to set up an appointment! Se aceptan nuevos pacientes para manejo de medicamentos y terapia.
Photo of Sandra Castillo, Psychiatric Nurse Practitioner, PMHNP-
Sandra Castillo
Psychiatric Nurse Practitioner, PMHNP-
Call for a free consultation now - (657) 695-1593
"
Please click on my website to set up an appointment! Se aceptan nuevos pacientes para manejo de medicamentos y terapia.
Photo of Sandra Castillo, Psychiatric Nurse Practitioner, PMHNP-
Sandra Castillo
Psychiatric Nurse Practitioner, PMHNP-
Call for a free consultation now - (657) 695-1593