Obsessive-compulsive disorder therapists & psychiatrists in Antioch, CA

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.

Welcome! My name is Heather Torres and i am a Licensed Clinical Social Worker. My education consist with a Master’s degree in social work from USC. With over 10 years of experience, I specialize in providing compassionate and effective therapy for adults, couples, and adolescents. My approach is grounded in a variety of evidence-based modalities, including Dialectical Behavioral Therapy (DBT), Trauma-Informed Care, Psychodynamic Therapy, and Solutions-Focused Therapy.

As a Licensed Psychotherapist with over 17 years of clinical experience, I have dedicated my career to helping children, adolescents, adults, couples, and families navigate life’s challenges and discover their strengths. In addition to my private practice, my work in a hospital Emergency Department has provided me with valuable experience supporting individuals and families during some of their most difficult and vulnerable moments.

I have been a licensed psychotherapist practicing for 38 years, mostly focusing on treating depression, anxiety disorders and stress management. I work a great deal with couples as well.

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.

Demetric “Dee” Marsh, LCSW, JD, is a dedicated behavioral health professional with over 25 years of experience in the mental health field. She is a multistate licensed Licensed Clinical Social Worker and holds a Juris Doctor degree from the Jacob D. Fuchsberg Law School in New York. She earned her Master’s degree in Social Work from Adelphi University, with a specialization in mental health and addictions, and holds a Bachelor’s degree from Hofstra University in Sociology with a minor in Political Science and French Language/Culture.

Dee has extensive experience working in a variety of roles, including psychotherapist, program director, clinical supervisor, adjunct professor, and consultant. She also provides LCSW clinical supervision. Her practice includes working with individuals, families, couples, and groups.

She specializes in a wide range of areas, including anxiety, depression, trauma, stress management, addictions, grief and loss, workplace and employment issues, women’s issues, diversity and cultural concerns, spirituality, and court-related assessments and recommendations, as well as foster care and adoption-related services.

Dee believes in meeting each client where they are and tailoring treatment to their unique needs. She is committed to creating an inclusive, safe, and supportive environment that fosters trust, healing, growth, and a strong therapeutic alliance.