Dr. Andrew Mendonsa, CO Psychologist PSY.0005062, CA Psychologist PSY23208
California clinical psychologist focusing on relationships and sexuality
- 22 years experience
- LGBTQIA+ affirming care
- Licensed in CA and CO
About Dr. Andrew Mendonsa
Dr. Andrew Mendonsa is a clinical psychologist with 22 years of experience helping people navigate complex life challenges and pursue greater authenticity. He holds licenses as a psychologist in Colorado (CO Psychologist PSY.0005062) and California (CA Psychologist PSY23208), which indicate his professional credentials and state licensure. His work spans a wide range of concerns, including stress and anxiety, depression, relationship and family issues, intimacy and sexual concerns, addictions and problematic sexual behavior, trauma and grief, parenting and caregiver stress, career transitions, and compassion fatigue.
Dr. Mendonsa brings experience from community mental health settings, work with marginalized populations, involvement in the criminal justice system, and professional consulting with high-wealth clients and corporate boardrooms. He has also owned, sold, and managed companies and worked at senior levels in the public sector, which informs his ability to support high-achieving individuals facing work-related pressure, burnout, and career change. As an LGBTQIA+ affirming clinician, he offers supportive, nonjudgmental care for questions of identity, gender, sexual expression, kink and alternative sexual cultures, polyamory, and other relational concerns.
His clinical approach is collaborative, goal-oriented, and practical, drawing on methods such as Acceptance and Commitment Therapy, Attachment-Based work, Client-Centered techniques, Cognitive Behavioral Therapy, and Dialectical Behavior Therapy to tailor treatment to each person's needs. He emphasizes identifying motivations behind behaviors, setting achievable goals, and building coping strategies to reduce shame and improve functioning. For more information, visit his website at www.AndrewMendonsa.com.
Dr. Mendonsa brings experience from community mental health settings, work with marginalized populations, involvement in the criminal justice system, and professional consulting with high-wealth clients and corporate boardrooms. He has also owned, sold, and managed companies and worked at senior levels in the public sector, which informs his ability to support high-achieving individuals facing work-related pressure, burnout, and career change. As an LGBTQIA+ affirming clinician, he offers supportive, nonjudgmental care for questions of identity, gender, sexual expression, kink and alternative sexual cultures, polyamory, and other relational concerns.
His clinical approach is collaborative, goal-oriented, and practical, drawing on methods such as Acceptance and Commitment Therapy, Attachment-Based work, Client-Centered techniques, Cognitive Behavioral Therapy, and Dialectical Behavior Therapy to tailor treatment to each person's needs. He emphasizes identifying motivations behind behaviors, setting achievable goals, and building coping strategies to reduce shame and improve functioning. For more information, visit his website at www.AndrewMendonsa.com.
Areas of Expertise
Primary Focus
Also Specializes In
AddictionsRelationship issuesFamily conflictsTrauma and abuseGriefSleeping disordersParenting issuesCareer difficultiesCoping with life changesCoachingCompassion fatigue
Additional Focus Areas
AbandonmentAdoption and foster careAging and geriatric issuesAntisocial personalityAttachment issuesAvoidant personalityBDSM, kink, and alternative sex cultureBlended family issuesCancerCaregiver issues and stressChronic pain, illness, and disabilityCo-morbidityCodependencyCommitment issuesCommunication problemsControl issuesCoping with natural or human-caused disasterDependent personalityDisruptive Mood Dysregulation Disorder (DMDD)DissociationDivorce and separationDomestic violenceDrug and alcohol addictionEmptinessFamily of origin issuesFamily problemsFatherhood issuesFirst responder issuesForgivenessGender dysphoriaGuilt and shameHIV / AIDSHospice and end-of-life counselingImmigration issuesImpulsivityInfidelityIntellectual disabilityIsolation / lonelinessJealousyLife purposeMen's issuesMidlife crisisVeteran and Armed Forces IssuesMoney and financial issuesMood disordersNarcissismPanic disorder and panic attacksParanoiaPersonality disordersPolyamory / non-monogamous relationshipsPostpartum depressionPost-traumatic stressPregnancy and childbirthPrejudice and discriminationProcess addiction (porn, exercise, gambling)Seasonal Affective Disorder (SAD)Self-harmSelf-loveSex addictionSexual assault and abuseSexual dysfunctionSexualitySocial anxiety and phobiaWorkplace issuesYoung adult issues
Therapeutic Approach
Acceptance and Commitment Therapy (ACT) Attachment-Based Therapy Client-Centered Therapy Cognitive Behavioral Therapy (CBT) Dialectical Behavior Therapy (DBT) Emotionally-Focused Therapy (EFT) Existential Therapy Mindfulness Therapy Motivational Interviewing Psychodynamic Therapy Solution-Focused Therapy Trauma-Focused Therapy
Frequently Asked Questions
How much experience does Dr. Andrew Mendonsa have?
Dr. Andrew Mendonsa has 22 years of professional experience.
Is Dr. Andrew Mendonsa a licensed therapist?
Yes. He is a licensed psychologist in Colorado and California with these credentials: CO Psychologist PSY.0005062, CA Psychologist PSY23208. License details are CO Psychologist PSY.0005062 and CA Psychologist PSY23208.
In which languages does Dr. Andrew Mendonsa provide therapy?
Dr. Andrew Mendonsa provides therapy in English.
Where is Dr. Andrew Mendonsa located?
Dr. Andrew Mendonsa is located in California.
How can I work with Dr. Andrew Mendonsa as my therapist?
You can work with Dr. Andrew Mendonsa through video calls, phone sessions, live chat, or text-based messaging.
Does Dr. Andrew Mendonsa work with international clients?
Yes, Dr. Andrew Mendonsa works with international clients.
How much does therapy with Dr. Andrew Mendonsa cost?
The cost of therapy can vary depending on factors such as 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 with therapy is quick and straightforward. Click the "Start Therapy" button and complete a short questionnaire that helps 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.
Therapeutic Approaches and Online Care with Dr. Andrew Mendonsa
Acceptance and Commitment Therapy (ACT) helps people clarify their values and take committed action toward a more meaningful life. It focuses on accepting difficult thoughts and feelings while building practical skills to pursue goals, which can be useful for anxiety, depression, stress, and patterns of avoidance.Attachment-Based Therapy explores how early relationship patterns shape current connections and emotional responses. By identifying attachment styles and their effects, this approach can support work on intimacy, relationship difficulties, grief, and healing from relational trauma.
Finding the right approach is part of the therapeutic process, and Dr. Mendonsa works collaboratively with each person to determine which methods best match their needs, goals, and preferences. Decisions about techniques and focus are shaped together, with adjustments made as progress unfolds.
Online therapy with Dr. Mendonsa offers practical flexibility - sessions may take place by video call, phone, live chat, or text-based messaging to fit varied schedules and circumstances. These options make it easier to access care from different locations, accommodate work and family demands, and maintain continuity of support during life transitions.
Ready to start therapy with Dr. Andrew Mendonsa?
Take the first step toward a better you.