William Castillo
Evidence-based support for healing, relationships, and resilience
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About
William Castillo is a Licensed Mental Health Counselor (LMHC) in Washington with 18 years of experience helping people work through challenging seasons of life. His work is grounded in evidence-based therapeutic techniques and is especially focused on concerns such as depression, anxiety, trauma recovery, and relationship dynamics.
He strives to offer a compassionate, culturally responsive space that respects each client’s background, values, and lived experience. With an emphasis on both emotional wellness and practical change, he supports clients in strengthening coping skills, improving communication, and navigating major life transitions with greater steadiness and clarity.
William’s areas of focus include stress, self-esteem, and relationship concerns, along with complex experiences such as social anxiety, post-traumatic stress, mood-related challenges, and multicultural concerns. He also has experience supporting veterans and individuals working through difficult interpersonal patterns and life disruptions.
Across his work, William takes a collaborative, personalized approach aimed at helping clients build resilience, deepen self-understanding, and move toward meaningful growth and healing.
He strives to offer a compassionate, culturally responsive space that respects each client’s background, values, and lived experience. With an emphasis on both emotional wellness and practical change, he supports clients in strengthening coping skills, improving communication, and navigating major life transitions with greater steadiness and clarity.
William’s areas of focus include stress, self-esteem, and relationship concerns, along with complex experiences such as social anxiety, post-traumatic stress, mood-related challenges, and multicultural concerns. He also has experience supporting veterans and individuals working through difficult interpersonal patterns and life disruptions.
Across his work, William takes a collaborative, personalized approach aimed at helping clients build resilience, deepen self-understanding, and move toward meaningful growth and healing.
- Location:
- Washington, United States
- Years Experience:
- 18
- Gender:
- Male
- Languages Spoken:
- English
- Therapist of Color:
- Yes
- Communication Options:
- Phone • Video • Live Chat • Messaging
Specialties
Primary area of focus:Stress, Anxiety, Relationship issues, Trauma and abuse, Self esteem, Depression
Other areas of experience: Abandonment, Attachment issues, Blended family issues, Cancer, Codependency, Communication problems, Divorce and separation, Domestic violence, Fatherhood issues, Immigration issues, Impulsivity, Infidelity, Mood disorders, Multicultural concerns, Post-traumatic stress, Self-love
Credentials & Verification
- Credentials: WA LMHC LH60208827
- NPI Number: 1164864971
- License: LMHC (Washington)
Evidence-Based Therapy, Made Accessible Online
William Castillo uses evidence-based therapeutic techniques to help clients work through concerns like anxiety, depression, trauma, and relationship stress in a structured, goal-oriented way. Evidence-based therapy generally means drawing on methods that have been studied and refined over time, with a focus on practical skills, insight, and measurable progress.In online sessions, therapy can also emphasize strengthening communication and relationship patterns by exploring what happens in key interactions, identifying unhelpful cycles, and practicing new ways of responding. For people impacted by trauma or major life transitions, sessions can focus on building resilience, improving emotional regulation, and creating steadier day-to-day coping strategies without rushing the pace of the work.
Finding the right approach is part of the process. William collaborates with clients to clarify goals, understand preferences, and adjust strategies over time so therapy feels relevant and workable for real life.
Online therapy offers flexibility and access through video calls, phone sessions, live chat, or text-based messaging. This range of options can make it easier to stay consistent, fit support into a busy schedule, and choose the format that feels most comfortable from session to session.
How much experience does William Castillo have?
William Castillo has 18 years of experience providing therapy and supporting clients through a wide range of life challenges.
Is William Castillo a licensed therapist?
Yes. William Castillo is licensed as an LMHC (Licensed Mental Health Counselor). His Washington license is WA LMHC LH60208827.
In which languages does William Castillo provide therapy?
William Castillo provides therapy in English.
Where is William Castillo located?
William Castillo is located in Washington.
How can I work with William Castillo as my therapist?
You can work with William Castillo through video calls, phone sessions, live chat, or text-based messaging, depending on what fits your needs and what is available.
Does William Castillo work with international clients?
Yes. William Castillo works with international clients.
How much does therapy with William Castillo cost?
The cost of therapy can vary based on factors like your location and the therapist’s availability. Sessions are billed through a subscription that can be canceled at any time, for any reason. For current details, click the “Start Therapy” button on this page.
How can I get started with therapy?
Getting started is quick and straightforward. Click the “Start Therapy” button and complete a short questionnaire to help match you with your therapist. Depending on availability, you can then schedule your first session, which may take place by phone, video call, live chat, or in-app messaging.