Thomas Williams, Therapist
Thomas Williams, LMFT, helps children, teens, adults, couples, and families across California stabilize symptoms, strengthen relationships, and move forward with practical tools for lasting change. Practicing at LifeStance Health, he provides compassionate, evidence-based mental health care to patients throughout California, supporting individuals at many stages of life who are seeking clarity, balance, and healthier patterns.
Thomas offers individual therapy, couples therapy, and family therapy for children, adolescents, teens, adults, and seniors. His clinical work commonly addresses anxiety, depression, and ADHD, while also supporting clients navigating relationship stress, mood instability, and major life transitions. He brings a steady, collaborative approach that helps clients understand their emotional experiences, develop coping strategies, and improve communication within families and partnerships. In addition to these core areas, Thomas has experience with additional mental health concerns and treatment needs.
A central focus of Thomas’s practice is working with individuals who have been recently discharged from a psychiatric hospital and those involved in court-ordered treatment. He is deeply committed to helping clients regain stability after acute mental health episodes, reduce the risk of re-hospitalization, and build realistic plans for ongoing recovery. In court-mandated settings, Thomas balances accountability with empathy, helping clients engage meaningfully in treatment, understand expectations, and make progress toward personal and legal goals while supporting emotional regulation and safety.
Thomas integrates Cognitive Behavioral Therapy (CBT), Acceptance and Commitment Therapy (ACT), and couples and marital counseling to tailor treatment to each client’s needs. He has experience working with diverse populations, including LGBTQ+ individuals, first responders, and military members and veterans, and offers care that is respectful, affirming, and grounded in clinical best practices.
Outside of therapy, Thomas enjoys reading, taking dance classes, heading down the coast to relax on the beach, hiking, singing, and attending the theatre or a comedy club—balanced by quality time recharging at home.
Provider Introduction
Types of Care & Ages Served
- Individual Therapy: Ages 11-75+
- Couples Therapy: Ages 18-75+
Areas of Focus
Individual Therapy
Get help addressing challenges and improve well-being with a clinician's guidance.
- LGBTQ+
- ADHD
- Adoption & foster care
- Aging
- Anger issues
- Anxiety
- Attachment issues
- Attention & focus
- Autism: generally independent
- Bipolar Disorder
- Body image
- Bullying or harassment
- Career & relationships (mid-life)
- Career & work issues
- Childhood behavioral issues
- Depression/feeling down
- Domestic violence & abuse
- Early adulthood: Independent living or relationships
- Early adulthood: Starting college or career
- Emotional abuse
- Empty nesters
- Family conflict
- First responder stress
- Gambling
- Gender identity
- General relationship issues
- Grief & loss
- Intense mood changes
- Learning challenges
- Marital stress or divorce
- Men's health/issues
- Military & veteran
- Other addictive behaviors
- Panic attacks
- Parenthood
- Parenting
- Pornography/sexual behaviors
- Premarital counseling
- Racial identity
- Religion & spirituality
- Retirement
- School avoidance
- School behavioral issues
- Self-esteem
- Self-injury or cutting
- Sex & intimacy issues
- Sexual trauma
- Social skills & communication
- Stress from ongoing health issues
- Stress management
- Trauma & PTSD
- Video game/internet
Couples Therapy
Helps partners address relationship conflict and improve communication with a clinician's guidance.
- General relationship issues
- Marital stress or divorce
- Premarital counseling
- Social skills & communication
- Ability status
- Aging
- Anger issues
- Career & relationships (mid-life)
- Career & work issues
- Caregiving
- Depression/feeling down
- Early adulthood: Independent living or relationships
- Early adulthood: Starting college or career
- Empty nesters
- End-of-life challenges
- Ethnic identity
- Family conflict
- Gambling
- Gender identity
- Grief & loss
- LGBTQ+
- Other addictive behaviors
- Parenthood
- Parenting
- Pornography/sexual behaviors
- Racial identity
- Retirement
- Self-esteem
- Sex & intimacy issues
- Sexual trauma
- Trauma & PTSD
- Video game/internet
Insurances Accepted
- Aetna
- Carelon (Beacon)
- Centivo
- Central Health Plan of California
- Claritev (MultiPlan PHCS)
- Devoted Health Plan
- Elevance Health (Anthem BC) (D)
- Evernorth (Cigna)
- Health Net (MHN)
- HealthSmart
- Humana
- Kaiser Permanente (NorCal)
- Lucet (SCAN Health Plan)
- Magellan (D)
- MediNcrease Health Plans (MHP)
- Medicare
- Northwell Direct
- Optum (UnitedHealthcare)
- Partners Direct Health
- Provider Network of America (PNOA)
- Quest Behavioral Health
- Sana Benefits
- TELUS Health (BHS)
Languages
- English
Education
-
Ithaca College
-
Northcentral University
New patient?
View AvailabilityFrequently Asked
Questions
Please use our online form to schedule an appointment with Thomas Williams. You can also call 925-282-1778 to have someone assist you.
Thomas Williams generally accepts new patients but there could be a waitlist.
Please call 925-282-1778 to find out Thomas Williams's schedule and availability.
LifeStance Health providers accept most commercial insurance plans that are offered in the states where we offer services, including telehealth. Please see the following list of insurances accepted by Thomas Williams:
- Aetna
- Carelon (Beacon)
- Centivo
- Central Health Plan of California
- Claritev (MultiPlan PHCS)
- Devoted Health Plan
- Elevance Health (Anthem BC) (D)
- Evernorth (Cigna)
- Health Net (MHN)
- HealthSmart
- Humana
- Kaiser Permanente (NorCal)
- Lucet (SCAN Health Plan)
- Magellan (D)
- MediNcrease Health Plans (MHP)
- Medicare
- Northwell Direct
- Optum (UnitedHealthcare)
- Partners Direct Health
- Provider Network of America (PNOA)
- Quest Behavioral Health
- Sana Benefits
- TELUS Health (BHS)
If you don't see your insurance listed, please contact us at 925-282-1778 to see how we can help.
Thomas Williams is a Therapist and cannot prescribe medication. However, most LifeStance offices have a Psychiatrist or APN on staff who can prescribe medication if needed.
Thomas Williams works at:
Yes, Thomas Williams does offer online telehealth visits.
Yes, Thomas Williams is currently offering in-office visits at the following location: