Find a psychiatrist in San Diego, CA — covered by insurance

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 am dual board-certified as a psychiatric-mental health nurse practitioner and family nurse practitioner with a passion for functional medicine. I believe mental health is best addressed by looking at the whole person—mind, body, and soul. I’ve been working in healthcare for over 20 years. Through my experience in mental health, I have the privilege of working with adults aged 21–60. I support individuals navigating anxiety, depression, ADHD, PTSD, OCD, mood disorders, and eating disorders, offering a safe and respectful space for growth and healing.

Hello, my name is Alexander Valenzuela PMHNP. I specialize in psychiatric medication management and cognitive behavioral talk therapy. If you're struggling with your mental health and realize you want help, you don't have to do it alone. I am looking forward to starting the journey with you to help achieve your best self.

Many people come to me feeling overwhelmed, anxious, burnt out, or simply “not like themselves.” Whether the root is mental health, hormones, or a mix of both, my goal is to help you understand what’s happening in your body and mind — and create a plan that actually helps you feel better.

I am a Family Nurse Practitioner with over 13 years of experience treating complex chronic conditions, acute medical issues, and a wide range of mental health concerns. My background in the emergency room strengthened my ability to stay calm, think clearly, and support patients through some of their most difficult moments.

I am double board‐certified as an FNP‐BC and PMHNP‐BC, which allows me to integrate medical and psychiatric expertise. This means I look at the full picture — hormones, sleep, stress, mood, lifestyle, and physical health — to understand what’s driving your symptoms.

My approach is compassionate, practical, and evidence‐based. I take time to listen, explain things clearly, and work with you to create a treatment plan that fits your life. You deserve care that feels supportive, personalized, and focused on long‐term wellness.

If you’re ready to feel more balanced, focused, and in control again, I’m here to help you get there.

I am Loren Neiswender, DNP, PMHNP, a board certified Psychiatric Mental Health Nurse Practitioner.

I know finding the right mental health provider can feel overwhelming my goal is to create a welcoming judgment free space where you feel heard understood and empowered to take an active role in your treatment.

A little background: I attended Loma Linda University School Nursing for my Bachelor of Science and RN degrees, Cal State Long Beach for my Master of Science and Nurse Practitioner degrees, and most recently UCLA for my Doctor of Nursing practice degree.

The boring details: I offer both telehealth and in person psychiatric services telehealth appointments are available to patients anywhere in California with in-person visits offered in San Bernardino and at my Brentwood satellite office by appointment.

My philosophy: I firmly believe mental health treatment works best when it is collaborative. My goal is to create a space where you feel heard, respected, and actively involved in developing a treatment plan that fits your unique needs and goals. Whether you are struggling with anxiety, depression, ADHD, mood disorders, or other mental health concerns we will work together to help you move forward toward lasting wellness.

I have over a decade of experience as a psychiatric nurse practitioner and previously spent nearly 10 years as a neonatal intensive care (NICU) nurse. These experiences have shaped my whole-personal approach to care and deep appreciation for clinical connection between physical health, emotional well-being, and family dynamics.

I offer both medication management and supportive therapy taking time to educate patients about their diagnosis and treatment options so they can make informed decisions about their own care.