ADHD therapists and psychiatrists in Upland, CA

I believe therapy works best when you feel safe, understood, and met with compassion. My goal is to create a collaborative, grounded space where you can show up as you are—without pressure to have everything figured out. Together, we'll identify your strengths, build practical coping skills, and work toward meaningful, realistic goals. I am passionate about fostering trusting therapeutic relationships and providing a supportive environment where healing and growth can happen. My hope is that you leave each session feeling empowered, encouraged, and equipped to navigate life's challenges.

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.

Hi, I’m Amaris, a Licensed Clinical Social Worker who believes healing happens best in a space where you feel safe, understood, and never judged.

I work with children, teens, adults, and older adults navigating anxiety, ADHD, emotional overwhelm, grief, and major life transitions. Whether your child is having big feelings they don’t know how to manage, you’re feeling stuck in patterns that don’t serve you, or your family is walking through the heartbreak of dementia or loss, you don’t have to figure it out alone.

My style is supportive, down-to-earth, and collaborative. Therapy with me isn’t about “fixing” you, it’s about helping you understand yourself, build practical tools, and feel more confident handling life’s challenges. I blend evidence-based approaches with compassion, creativity, and sometimes even humor, because growth doesn’t have to feel heavy all the time.

Parents appreciate that I help kids build emotional regulation skills in ways that make sense to them, and I make sure caregivers feel supported too. Adults often come to me when anxiety, emotional ups and downs, or grief feel overwhelming. I also have a special place in my heart for working with older adults and families facing Alzheimer’s, dementia, and end-of-life changes.

At the core of my work is this belief:

You are not broken, you’re human, and you’re capable of growth.

If you’re ready for a space where you can show up exactly as you are, we’ll work at your pace, together.

My name is Dianne Fontaine, MSN, APRN, and I'm a Licensed Psychiatric Mental Health Nurse Practitioner, Board Certified (PMHNP-BC) by the American Nurses Credentialing Center (ANCC). I obtained my Master’s Degree from Walden University and has undergone advanced clinical training, equipping me to assess, diagnose, and treat a spectrum of psychiatric illnesses, as well as provide psychotherapy.