Book a therapist or psychiatrist in Fullerton, CA covered by United Healthcare

As a Nurse Practitioner, I believe healthcare should be a partnership, not a prescription. My approach combines advanced clinical skills with a deep commitment to patient advocacy, ensuring every individual has the tools and confidence to take charge of their health. I specialize in creating personalized treatment plans that honor the whole person — mind, body, and spirit. Whether I’m diagnosing, prescribing, or simply listening, my mission is to make every patient feel seen, heard, and cared for. I strive to turn sessions into moments of trust, learning, and hope."

I am board certified in Family Practice as well as Psychiatry and have been in practice for 25 year. I work with mental health issues such as depression, anxiety, sleep disorders, bipolar disorder, as well as address physical symptoms or issues that may affect mental health. I hold a Doctorate degree in education and Master Degrees in Advance Practice Nursing and education.

I know how heavy life can feel when you’re carrying pain, uncertainty, or self-doubt. But I believe, as a wise old wizard once said, “Happiness can be found even in the darkest of places, if one only remembers to turn on the light.” My role is to help you find that light again. I work with Gen Z and Millennial adults facing anxiety, depression, trauma, bipolar disorder, ADHD, and more. Through integrative, culturally responsive care, I combine evidence-based psychiatry with holistic strategies to help you feel heard, supported, and empowered to create a life that aligns with your true self.

I am a Licensed Clinical Social Worker. I have a MSW in social work and a BA in Psyhcology with a minor in African American studies. My educational background and career include extensive work with transitional age youth, teens, children and families and other disenfranchised populations.

www.marielrtherapy.com

You are the one everyone relies on - the strong one. Even when you’re running on empty, you keep showing up, holding it together, and pushing through. On the outside, you look composed. Inside, you might feel exhausted, unseen, or detached from yourself. I work with adults break free from patterns that keep them stuck in survival mode. We will work on reconnecting with your needs, rebuilding self trust, and creating a balanced, authentic relationship with yourself. I bring a compassionate, steady presence to therapy; no cold stares or awkward silences. Just a real human connection, where you can feel safe enough to show up. As a therapist for the past 9 years and someone who has navigated my own share of life’s complexities, I understand the invisible weight we often carry; anxiety, depression, expectations, and the pressure to hold everything together.

Choosing the right therapist is important, so I offer a free 15-20 minute phone or video consultation to discuss your needs and ensure we’re a good fit. There’s no pressure; this call is simply an opportunity for you to learn more and decide if you’d like to move forward with therapy. You may take your time after the call to decide whether to move forward.

Hello, my name is Sherri Crespin, a board-certified Psychiatric Mental Health Nurse Practitioner passionate about providing integrated care for complex mental health challenges, including personality disorders, PTSD and trauma, substance use disorders, ADHD, depression, anxiety, panic disorders, mood disorders, and bipolar conditions. My practice recognizes these conditions are interconnected in ways requiring specialized understanding.

I chose these specializations because I understand how trauma influences personality development, how ADHD complicates substance use recovery, how symptoms emerge during extreme stress, and how these complex interactions require providers who see the complete picture. Whether you're in recovery while managing other conditions, dealing with personality patterns that developed as survival mechanisms, or navigating multiple diagnoses, I bring the expertise needed for comprehensive care.

My approach emphasizes evidence-based treatments and the healing power of being truly understood. I recognize that seeking help for stigmatized conditions like personality disorders takes tremendous courage, especially after negative experiences with providers. I create a therapeutic space where you can explore your experiences without judgment or shame.

You can expect a thorough assessment, personalized treatment planning, and consistent support throughout our work together. My goal is to help you build resilience, develop effective coping strategies, and thrive in your daily life.

IMPORTANT: For current availability, visit https://mentalhealthpractitioners.com/ or call or text us anytime at 415-968-6515—we make it super easy! Intake forms are required before your first appointment. You can text us your info or email us at [email protected]. Please send us a picture of your insurance information and photo ID!

I am a Board Certified Psychiatric Mental Health Nurse Practitioner who provides compassionate, patient-centered, and evidence-based care. I strive to create a safe, nonjudgmental space where you feel heard and supported. Together, we develop personalized treatment plans focused on your goals, well-being, and long-term mental health.

As your Psychiatric-Mental Health Nurse Practitioner, I want you to know that I am here for you every step of the way. You can trust that I am fully committed to your well-being and dedicated to providing you with the highest quality of care.

Something positive, warm, and uplifting about me as your PMHNP is that I genuinely believe in your strength and resilience. I see your potential for growth and healing, even during the toughest of times. Together, we'll navigate through the challenges.

I have found my own personal healing to be intimately connected to nature, and it is here that I believe that we can all begin to rediscover our intrinsic humanity and let go of those things that distract us from our higher selves. In my spare time, I work as an outdoor educator and manage my own private practice and guide Outdoor Retreats

I believe it is helpful and important to translate what is discussed in session and in telehealth meetings into lived experience and real change.

Julie Ann Therese, PMHNP-BC is the Founder & CEO of Alternative Awakenings Psychiatry, a group practice with multiple rotating providers. She provides medication management with therapy integration (no stand-alone therapy). Julie supports adults and women, with a focus on perinatal mental health and the Filipino-American community.

Diagnoses are based on clinical findings; she does not offer evaluations solely to obtain a specific diagnosis (e.g., ADHD).

For immediate response please call/text our office at 530-691-0193 or +18555985659

UPDATED HOURS OF OPERATION AS OF 4/01/2026

Front office hours: Weekdays 8 am to 5 pm.

Providers’ office hours are by APPOINTMENT only:

Monday/Tuesday from 9AM to 7PM

Wednesday 9AM-12PM

Thursday 9AM-5PM

Friday 9AM-12PM.

Weekend hours for CONSULTATIONS ONLY: 12PM-5PM

BOOKING PROCESS:

A deposit is requested to reserve your appointment time. For Headway patients, this deposit is fully refundable. It is not applied as payment for services unless insurance cannot be verified, a claim cannot be submitted due to incomplete or inaccurate insurance information, no valid payment method is available in Headway or Alma, or you are otherwise responsible for the charges.

UPDATES AS OF 3/30/2026

Practice & Availability Disclaimer

Julie is in her maternity leave and has 2 providers covering. Julie will remain actively involved in the practice by monitoring, supervising, and approving treatment plans as part of a collaborative clinical team to ensure continuity and quality of care.