top of page

Meet Our Team

Compassion. Collaboration. Care.

Our team brings together diverse specialties in mental health, neuropsychology, assessment, and wellness coaching to support the whole person. We combine evidence‑based care with a warm, culturally sensitive approach, empowering individuals and families to heal, grow, and strengthen their mental, physical, and emotional wellbeing. Through partnership, compassion, and expertise, we help each person move toward meaningful and lasting wellness.

tammy.jpg

Tammy A. Ouellette, PsyD

Clinical Health & Neuropsychologist

Overview: Clinical Health & Neuropsychologist with 20+ years of experience providing neuropsychological and bariatric evaluations, medical‑integrated psychotherapy, and mind‑body health education for adults

Serves: In Person (Placentia Location), Video Health

Kaylea_edited_edited.jpg

Kaylea Philobos, MS, NBC-HWC

Certified Health and Wellness Coach

Overview: Supports individuals through coaching in improving mental and physical wellbeing through initiation and follow through of behavior change, mindfulness, stress management, sustainable lifestyle practices, and performance enhancement for young female athletes

Serves: Video Health

Denise pic_edited_edited.jpg

Denise Yoshihara, LCSW

Licensed Clinical Social Worker

Overview: Brings extensive experience supporting individuals and families navigating cancer, chronic illness, grief, life transitions, and emotional wellbeing. Her approach emphasizes compassionate, whole-person care that helps clients build resilience, strengthen coping skills, and improve quality of life

Serves:  In Person (Fullerton & Placentia Location)

Sofia Martinez pic.jpeg

Sofia Martinez, LCSW

Licensed Clinical Social Worker

Overview: Provides a supportive, non-judgmental approach to help individuals navigate difficult challenges, build on their strengths, and find greater balance and peace of mind

Serves: Video Health

Andrea Heitz pic.jpg

Andrea Heitz, LCSW

Licensed Clinical Social Worker

Overview: Over 25 years of experience specializing in trauma, addiction, and codependency, using CBT, mindfulness, and EMDR to support lasting change

Serves: Video Health

Kimson Johnston pic_edited.jpg

Kimson Johnston, LMFT

Licensed Marriage and Family Therapist

Overview: Over 15 years of experience partnering with individuals and families to promote health improvement in managing chronic and pre-chronic conditions, chronic pain and illness, anxiety and depression

Serves:  In Person (Fullerton Location)

DArlene Valdez-Olguin_edited.jpg

Darlene Valdez-Olguin, PhD, LMFT

Licensed Marriage and Family Therapist

Overview: Experienced therapist specializing in grief, eating disorders, mood disorders, and dementia care, offering warm, evidence‑based support grounded in CBT and humanistic therapy 

Serves: In Person (Fullerton Location)

Kayla Lim pic_edited.jpg

Kayla Lim, LMFT

Licensed Marriage and Family Therapist 

Overview: Supports children, teens, adults, and families with depression, anxiety, trauma, ADHD, and life stressors, using DBT, ACT, CBT, and person‑centered therapy in a culturally sensitive, empowering environment 

Serves:  In Person (Placentia Location), Video Health

LaurelBioPic.jpg

Laurel Speer, AMFT, APCC

Registered Associate Marriage and Family Therapist

Overview:  Supports navigating trauma, grief, relational challenges, and life transitions. Her work is relational, somatic, and trauma‑informed, with an emphasis on presence, pacing, and the therapeutic relationship

Serves: In Person (Placentia Location), Video Health

Beverly pic new.jpg

Beverly Osaah, AMFT

Registered Associate Marriage and Family Therapist

Overview: Creates a supportive, no‑judgment space for individuals and families working through depression, anxiety, anger, parenting challenges, and personal growth, helping clients become the best versions of themselves

Serves: Video Health

Sarah pic.jpg

Sarah Lower, AMFT, APCC

Registered Associate Marriage and Family Therapist

Overview: Utilizes a collaborative, strengths-based approach that incorporates creativity and mindfulness to help clients better understand themselves, navigate challenges, and create meaningful change

Serves: In Person (Placentia Location), Video Health

Anissa pic.jpg

Anissa Ayala, AMFT

Registered Associate Marriage and Family Therapist

Overview: Creates safety and trust for clients who may feel unsure about starting therapy. Care is trauma‑informed and culturally responsive, with a passion for supporting clients exploring identity and change

Serves: In Person (Placentia Location), Video Health

Image (56).jpg

Mayra Alvarado, ASW

Registered Associate Clinical Social Worker

Overview:  Supports clients from all walks of life with anxiety, depression, trauma, and life transitions in a holistic, culturally sensitive, judgment‑free environment; bilingual in English and Spanish

Serves: Video Health

Elsa Torres Pic_edited.jpg

Elsa Torres, ASW, PsyD

Registered Associate Clinical Social Worker

Overview: Specialist in psychological and neuropsychological evaluations for autism, ADHD, and learning disorders, providing trauma‑informed holistic care, bilingual in English and Spanish

Serves: In Person (Placentia Location), Video Health

Support Staff

brandi pic.jpg

Brandi Galland

Office Manager

1682688394053.jpeg

Jada Compton

Patient Coordinator

Alyssa pic_edited_edited.jpg

Alyssa Harman, MBA

Business Consultant

Karleen pic.jpg

Karleen Reyes

Healthcare Virtual Assistant

bottom of page