Prenatal and postpartum therapists & psychiatrists in Colton, CA

I am skilled in helping adults of all ages heal from trauma. I also help my clients learn how to manage anxiety, including social anxiety, panic, and health anxiety. Beyond healing, I am committed to working with you to discover what matters most to you so you can take clear action and create the life you want.

Hello, my name is Kateri Ross, and I am a Licensed Marriage and Family Therapist. I earned my Bachelor of Arts in Psychology from the University of California, Davis, and my Master of Arts in Counseling Psychology with an emphasis in Health Psychology from Santa Clara University.

My clinical background includes work in both community mental health and private practice settings, where I have helped individuals manage acute challenges as well as long-standing emotional and behavioral patterns that impact daily functioning and overall well-being.

I specialize in working with adults ages 18 and older experiencing anxiety, depression, OCD, trauma, postpartum depression and anxiety, binge eating, perfectionism, procrastination, stress management, and life transitions. I also support individuals who struggle with self-critical thinking, guilt, shame, emotional overwhelm, managing stress or difficulty maintaining balance during demanding phases of life.

Great to meet you! I am Tammy D. Moijueh, Psychiatric Mental Health Nurse Practitioner. I am pleased to serve with the best of my expertise and commitment to your well-being, offering training in outpatient psychiatry, ambulatory care, and telemedicine. My goal is to make communications easy, insightful, and encouraging. My Doctorate in Nursing Practice from Charles R. Drew University of Medicine and Science, combined with over 10 years of experience in the field, enhances behavioral health training and promotes the most positive treatment outcomes.

Hi and Welcome! My names is Jessica Ambroz and I am a therapist & licensed clinical social worker. My background includes working with trauma, child abuse, anxiety and depression. I have extensive work in the foster care system, parenting and working with substance abuse and mental health challenges. I am a doctorate candidate at the University of Tennessee Knoxville and my focus of study is strength and experiences impact functioning.

Brianna Marshall, LCSW, MBA

Owner & Therapist

Education: University of Southern California

Values: Empathy, Purpose, Care

We all have a Purpose and a story to tell.... I hold strongly that every person has a purpose and a story to tell. Even through lives experiences you still have purpose. There is a reason why you’re here today.

Your experiences in life are unique to you and can be tell some devastating things such as grief and loss, trauma, conflicts etc which has developed into depression, anxiety, low-esteem, amongst other things.

Your story, thus far, is what brought you to Therapy with Purpose. It’s within your story, you can discover your purpose and achieve self fulfillment.

So what’s your story?

Seeking therapy is acknowledging you are allowed to take space, time, and care for yourself. Finding the right therapist is an important first step. I am a Licensed Marriage and Family Therapist (LMFT) who provides compassionate, evidence-based therapy for adolescents, adults, and seniors experiencing anxiety, trauma, eating disorders, depression, relationship challenges, life transitions, grief, and stress. My approach is warm, collaborative, and grounded in genuine connection. I believe healing begins when people feel understood without judgement. Together, we will work to increase insight, strengthen resilience, and create meaningful, lasting change that aligns with your values and goals.

I have over 30 years of clinical, counseling and administrative experience working with individuals and couples, addressing the unique issues related to their unique life experiences. I have extensive professional and personal experience with military families and veterans. I understand first-hand the struggles of grief and medical conditions that impact all aspects of life. I have supported chronically and terminally ill patients, individuals living with cancer or chronic medical diagnoses, as well as parents experiencing infertility, peripartum, and postpartum depression. Whether dealing with life transitions, parenting, depression, anxiety, or divorce, or simply seeking to express yourself and feel more confident, I am here to walk with you, provide insights, and support you toward lasting change.