Therapist in San Diego, California Katie Mattea, Therapist

Katie Mattea helps teens and adults navigate emotional challenges, relationship concerns, and identity-related stress with warmth, clarity, and evidence-based care. Serving clients across California through LifeStance Health, she provides a supportive space where individuals and couples can address anxiety, depression, and trauma while building practical skills for lasting change. Her approach balances compassion with clinical insight, helping clients feel understood while moving toward meaningful goals. A core focus of Katie’s work is supporting individuals exploring women’s issues and sexuality, including coming out, self-confidence, and self-compassion. She is deeply passionate about helping clients develop a more accepting relationship with themselves, especially during periods of identity exploration or life transition. Katie offers affirming, inclusive care for LGBTQ+ clients and is committed to creating a therapy environment where authenticity, safety, and respect are central to the healing process. Katie treats teens and adults in individual therapy and provides in-person couples therapy for partners seeking healthier communication, deeper connection, and repair after conflict. Her clinical interests include anxiety, depression, and trauma work, and she integrates Internal Family Systems therapy (IFS), EMDR, and Couples/Marital Counseling, along with additional evidence-based approaches when appropriate. Therapy with Katie is collaborative and tailored to each individual, helping clients strengthen insight, resilience, and emotional regulation. Outside of her clinical work, Katie is an avid volleyball player, participating in both indoor and grass leagues throughout the week. She enjoys discovering new music, attending music festivals, reading in relaxing outdoor spaces, and exploring new restaurants with friends and loved ones.