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Meet Our Team

Keiko Y. Miller, Psy.D., MSCP

Clinical Neuropsychologist
Executive Director/Founder
Availability: Currently, Dr. Miller is only accepting patients for evaluations and assessments

Dr. Keiko Miller is the owner and executive director of Aspire Neuropsychological Services. She is a neuropsychologist with extensive experience in neuropsychological and psychological evaluations of adults and children ages 12 months+.

She also conducts Autism Spectrum Disorder (ASD) evaluations, behavioral medicine health assessments (presurgical psychological evaluations), Learning Disorder (LD) assessments, independent educational evaluations (IEE), and Attention-Deficit/Hyperactivity (ADHD) assessments.

Dr. Miller has worked in the field of Autism since 2003 and the field of neuropsychology since 2009. She earned her Psy.D. degree in 2011 and Master of Science in Clinical Psychopharmacology (MSCP) in 2019 from the California School of Professional Psychology. She holds an active license in California. Dr. Keiko Miller is an active member of the American Psychological Association (Clinical Neuropsychology Division), Contra Costa Psychological Association, and the International Neuropsychology Society.

Happiness is contagious. The more we spread our smiles, our joy, and our cheer, the more we spread love to those that need it.

Cassidy Pham, LMFT

Licensed Marriage & Family Therapist
Availability: Sorry, not accepting new clients

Treatment Approach

Everyone deserves to be seen and heard. When we take a moment to acknowledge this, it influences curiosity and openness. This can then lead us to changes that we are hoping for. I believe that curiosity, openness, and hope, lay the foundation and groundwork to yield a successful outcome in therapy. This new foundation will allow us to heal from the past, overcome adversity we have in the present, and thrive in our future.

Area of Expertise

My area of expertise is working with trauma ranging from acute, chronic, and complex. I have experience in working with childhood trauma, domestic violence, natural disasters, physical abuse, car accidents, and substance use. I also have experience working with anxiety, ADHD, bipolar, depression, dissociation, grief, life changes, and post-traumatic stress. From my experience, I have learned that everyone has the capacity, inner resources, and resiliency in them to change and heal.

Therapeutic Orientation

I believe that there is no cookie cutter way to approach therapy, so my style is more eclectic. I believe in using whatever is best suited for the client. I practiced from a trauma-informed perspective and some of the orientations that I incorporate into my practice include: Eye Movement Desensitization Reprocessing (EMDR), Internal Family System (IFS), Cognitive Behavioral Therapy (CBT), Narrative Therapy, Solution Focused Therapy, Motivational Interviewing, and Person-Centered Therapy. In addition, I also incorporate working with the body as a holistic approach.

About Me
In my personal time, I enjoy playing tennis, cooking, watching movies, and trying new restaurants. I am passionate about working towards building awareness for trauma and remove the stigma of discussing trauma.

Imagine a ghost who is haunting a person when they are most vulnerable to take control of them. This is the way trauma shows up in our lives. It slowly reveals itself and every encounter is scarier than the previous. Furthermore, no one else can validate this experience because they cannot see the ghost at first, which leads the person to feeling alone, isolated, and vulnerable. I can come along side with you as you overcome this ghost. You can overcome your trauma in therapy with a safe and supportive environment to take on whatever it is that is haunting you.

Rebecca Dubner, Psy.D.

Licensed Clinical Psychologist
Availability: Dr. Dubner only accepts patients for evaluations and assessments

Dr. Rebecca Dubner is a licensed clinical psychologist. She has nearly 15 years of experience in the assessment of children, adolescents, and adults for Autism, ADHD, and other mood or behavioral issues. She has found that oftentimes, testing is the quickest way to get diagnostic clarity and start reaching your goals. She is skilled at administering and interpreting a variety of psychological assessment batteries in a multitude of settings. She also provides parents with simple, effective, science-based strategies that alleviate children’s attention, anxiety, mood, and behavior challenges so they can reach their highest potential and thrive. She assesses for Attention-Deficit/Hyperactivity Disorder, Autism Spectrum Disorders, Intellectual Disability, Developmental Disabilities, Kindergarten Readiness, Giftedness, Emotional and Behavioral Problems, Personality Disorders, Learning Disorders as well as other DSM-5 psychological disorders. She has completed post-graduate certificates in nutrition, health coaching, functional medicine, and nutritional psychology/psychiatry. She is currently working on a two year fellowship with the Academy of Integrative Medicine and Health. She believes that true healing comes from a holistic view point, focusing on the interconnectedness of the mind, body, lifestyle, and environment. Her goal is to empower families with the information they need in order to provide them with the most beneficial solutions moving forward. Through the evaluation process, issues that are impeding growth will be identified and guidance provided for treatment planning as well as practical problem-solving at home, school, and in the community. Evaluations include a detailed report and feedback session as well as a thorough list of recommendations to assist the individual in progressing to his or her full potential.

Dr. Dubner completed her doctoral degree in Clinical Psychology from Argosy University. She completed her postdoctoral fellowship at Kaiser Permanente in San Jose, CA where she co-led a pain management group.  Her clinical interests include the impact of nutrition on mood and well-being and the role that nutrition plays in the treatment and prevention of chronic diseases.

No one may expect you, but everything awaits you.

Shawna Acunia, LMFT

Online Supportive Therapist
Licensed Marriage & Family Therapist
Availability: Accepting New Clients
*Evening and Weekend Availability*

Treatment Approach
Our most vulnerable and heart breaking experiences that we face in life also help shape us to become better parents, spouses, and friends. These experiences and struggles lead to enlightening and beautiful realizations about ourselves and others around us. I am here to offer support, guidance, resources, motivation, and acceptance to help you create a new outlook after receiving a mental health diagnosis. I believe that we can find ourselves in perpetual cycles when it comes to parenting and relationships, which can prevent us from processing the difficult situations that we face. It is important that we also reflect on how we overcame this challenging time.
Area of Expertise
I have worked with a range of clients including adults, teens at risk, LGBTQ, unhoused, couples, and families. I have over a decade of experience running nonprofit agencies for families who struggle with their child’s mental health. I am currently a Licensed Online Supportive Therapist at Aspire and work with a variety of clients, including neurodivergent children with developmental disabilities. I am also certified in grief counseling with a focus on healing & hope among grieving children, adolescents & adults.
Therapeutic Orientation
Reaching out for support can be scary sometimes. I am here to support you and help you process any emotions or feelings that arise after receiving a mental health diagnosis. I typically use Gestalt strategies that help us stay present and I use a narrative approach to help you process experiences that weigh heavy. I will not expect you to process experiences if you are not ready, though I am here to support you when you are ready. The goal for our sessions at Aspire will be to help you process either yours or your loved one’s mental health diagnosis. I will make every effort to help you feel equipped with tools in your psychological toolbox by the end of our time together.
About Me

Most of my free time is dedicated to my daughter. She is my world. My self care is running and watching a good TV show or movie. My family is my life, I love laughing, love food, huge animal lover and love watching my daughter break barriers!

An unbroken cycle is an obstacle to our own healing. Unless we break it with love, happiness, positivity and a little sarcasm we will never find our authentic self.

In Loving Memory of Our Friend and Aspire's Therapy Dog
04/05/2008 - 12/08/2021

Koa’s job at Aspire Neuropsychological Services, Inc. was to comfort our clients by providing unconditional love. We will miss him tremendously. Thank you for always keeping our clients and staff comfortable and happy. 

Client Care

Coming Soon!

Client Care Coordinator

At Aspire Neuropsychological Services, our Client Care Team aims to guide and assist those who come in need. Please don’t hesitate to reach out for a therapy or evaluation appointment. We will be more than happy to help. Our Client Care Team will connect you with the help you need.

We all know life is full of ups and downs. It's those who aspire to do better, be better, and think better who are the ones that see and feel the light again.


Meredith Matics & Yvette Gonzales

Certified Medical Reimbursement Specialist
and Revenue Management Cycle Representative

Meredith Matics and Yvette Gonzales manage the insurance and medical billing at Aspire. While working as a clinical psychiatric medical assistant, Meredith observed how disorganized medical billing systems could disrupt the therapeutic relationship between practitioner and patient. Meredith is passionate about supporting practitioners to help facilitate those vital relationships. Yvette joined the team in 2020, after working as a medical assistant.

Prior to working in behavioral health medical billing, Meredith and Yvette have both held clinical and administrative roles in mental health practices. They are dedicated to providing personalized support, education, and easing the insurance billing process for both patient and practitioner. Together, they have over 15+ years of combined experience.

meet our billing team aspire neuropsychological services