It’s not about us

We still feel it’s important for you to know who we are and what we do

Meet The Team

We believe it “takes a village” for a community to thrive. Our team took their experiences in education and life and created Collaborative to tackle even the most toughest of challenges.

Please feel free to search for your service, location or insurance provider. You may also book with a provider on their profiles below.

Michelle Castellanos

Michelle Castellanos, MSW, LMSW

Position: Psychotherapist
Phone: 929-280-2428
Email: michelle.c@collaborative-people.com
Areas of Work: *Out of Network*, Adjustment Disorder, Adolescent / Teen Issues, Adult Psychotherapy, Adults (25-64), Aetna, Alcohol Use, Anxiety Disorder, Anxiety Disorders, Attachment Disorder, Attachment Theory, Behavioral Therapy, Bereavement / Grief Counseling, BIPOC Mental Health Issues, Bipolar Disorder, Bisexual, Body Image, Body-Focused Repetitive Behavior (BFRB), Bullying, Burnout, Career-Related Stress, Caregiver Burnout, Caregiving Challenges, Child, Childhood Trauma, Children (<13), Chronic Illness, Chronic Pain, Cigna, Co-Occuring Disorders, Codependency, Cognitive-Behavioral Therapy (CBT) , Compassion Fatigue, Compassion Focused, Complex Trauma, Confidence Issues, COVID-19 Stress, Cultural Competence, Cultural Diversity Issues, Culturally Sensitive, Depression, Early Childhood Trauma, Emotional Abuse, English, Family, Family Conflicts / Issues, Family Therapy, Family Therapy, Female Identifying, Gaslighting, Gay, Generalized Anxiety Disorder (GAD), Grief and Loss, Grief Support, Group Therapy, Group Therapy, Health-Related Concerns, Hyperactivity Disorder (ADHD), Individual Therapy, Intergenerational Trauma, Internet Addiction, Interpersonal, Intimate Partner Violence, Intimate Partner Violence (IPV) Trauma, Lesbian, Level 2 Clinician, LGBT Care, LGBTQIA+, Life Transitions, Major Depressive Disorder (MDD), Marital, Medical Trauma, Mental Health Consultation, Mental Health Problem / Illness, Mentalization Based Treatment, Mentalization Based Treatment for Adolecents (MBT-A), Mentalization Based Treatment for Children (MBT-C), Money-Related Stress, Mood Disorder/Mood Swings, Non-suicidal Self-Injury, Nonreligious, Panic Disorder, Parenting, Peer Relationships, Perfectionism, Performance Anxiety, Perinatal Mental Health, Person Centered (Rogerian), Physical Abuse Trauma, Play Therapy, Post Traumatic Stress Disorder (PTSD), Post-Traumatic Stress Disorder (PTSD) Counseling, Postpartum, Postpartum Anxiety, Postpartum Depression, Pre-College Fears, Pregnancy, Pregnancy-Related Stress, Premarital / Marital, Prenatal, Procrastination, Psychodynamic Therapy, Psychological Trauma, Queer, Queer, Queer-Competent, Questioning, Race-Related Stress, Racial Justice Framework, Racism Issues, Refugee Trauma, Relational, Relational Therapy, Relationship Struggles / Issues, Rumination, School Phobia, Seasonal Affective Disorder (SAD), Self Esteem, Self-Harm / Injury, Separation Anxiety, Sex Worker Positive, Sexual Abuse, Sexual Fear, Sexual Identity, Sexuality, Social Anxiety, Social Anxiety Disorder, Social Justice, Social Life, Spanish, Strength-Based, Strength-Based Therapy, Stress, Stress Management, Suicidal Feelings, Suicidal Ideation, Suicidal Tendencies, Teenagers/Adolescents (13-17), Trans-Competant, Trauma / Trauma Focused, Trauma Therapy, Trichotillomania/Body-Focused Repetitive Disease, Vulnerability, Women's Health, Women's Issues / Obstacles, Women's Issues Therapy, Worry, Young Adults (18-24)
Location: New York, No-Mad, Tele-Health/Virtual

Michelle (she/her) is a New York City based psychotherapist and licensed social worker whose focus is building trusting relationships with her clients. She was born and raised in Brooklyn, NY before she headed off to study Psychology and Spanish at Swarthmore College. She returned to New York where she graduated with a Master’s in Social Work from Fordham University in 2019. Michelle can conduct sessions in English and Spanish. She is passionate about providing quality care to people of all backgrounds. She has gained a wide array of experience working with many diverse types of clients working in agencies, nonprofits, hospitals, and community mental health.  

Michelle is enthusiastic about creating strong therapeutic relationships with clients. She knows that the relationship between client and provider is one of the building blocks to achieve a client’s goals and that the vulnerability developed during the session is a sacred thing. She partners with her clients to strive for meaningful change. She has worked with different types of people, including children, teens, birthing people, domestic violence survivors, immigrants and refugees, families, and more. She is particularly focused on the impact of trauma on a person’s life and how the process of healing can create new opportunities for someone. With her social work background Michelle is aware of the effect systems have on a person and a group and uses a social justice approach to help clients reach their goals. She aims to empower her clients to gain self-awareness and to develop effective coping strategies. 

An enthusiastic reader, Michelle is always happy to get book recommendations of all genres. She is also a happy pet mom to her cat Chicharron. In her free time Michelle also enjoys baking cakes and pastries, crocheting blankets and sweaters, and watching TV with her husband and her cat on her lap.  

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Michelle Castellanos, MSW, LMSW

Psychotherapist

Michelle (she/her) is a New York City based psychotherapist and...

David Díaz, MS, LMHC

Position: Supervisor & Psychotherapist
Phone: (929) 930-5019
Email: david.d@collaborative-people.com
Areas of Work: *Out of Network*, 12- Step Friendly, Adults (25-64), Aetna, Affirming Therapy, Aging Parents, AIDS - HIV, Alcohol Use, Alcoholism, Anger, Anger Management, Anxiety Disorder, Asexual, Asperger's Syndrome, Attachment Disorder, Behavioral Issues / Problems, Betrayal Trauma, BIPOC Mental Health Issues, Bisexual, Body Positivity/Health at every size, Canabis Use disorder, Christian, Chronic Impulsivity, Cigna, Codependency, Cognitive-Behavioral Therapy (CBT) , Complex Trauma, Couples (Relationship Therapy), Cultural Competence, Cultural Diversity Issues, Dating, Depression, Drug Addiction, Drug Use, Early Childhood Trauma, Emerging Adulthood, Emotional Abuse, Emotionally Focused, Emotionally Focused Therapy, English, Existential Anxiety, Existential Crisis or Transition, Family Conflicts / Issues, Family Dynamics / Systems, Family Therapy, Family Therapy, Gay, Gay, Gender Dysphoria, Generalized Anxiety Disorder (GAD), Gottman Method, Grief and Loss, Group Therapy, Individual Therapy, Intergenerational Trauma, Intimate Partner Violence, Jewish, Ketamine assisted therapy, Level 3 Clinician, LGBTQIA+, Loneliness, Major Depressive Disorder (MDD), Male Identifying, Men's Mental Health Issues, Mood Disorder/Mood Swings, Muslim, Narrative Therapy, Non-suicidal Self-Injury, Non-Traditional Romantic Stress, Nonreligious, Open Relationships/Non-Monogomy, Parenting, Physical Abuse Trauma, Psychedelic Integration Therapy, Psychodynamic Therapy, Queer, Queer, Queer-Competent, Race-Related Stress, Racial Justice Framework, Reactive Attachment Disorder (RAD), Self-Harm / Injury, Sex Positive/Kink Friendly, Sex Therapy, Sex Worker Positive, Sexual Abuse, Sexual Dysfunction, Sexual Identity, Social Justice, Spanish, Structural Family Therapy, Suicidal Feelings, Suicidal Ideation, Teenagers/Adolescents (13-17), Trans-Competant, Transgender, Trauma / Trauma Focused, Vegan, Young Adults (18-24)
Location: New York, No-Mad, Tele-Health/Virtual

David’s (he/him) practice incorporates knowledge and techniques from various therapeutic modalities. Fluent in both English and Spanish, David has extensive experience in supporting individuals navigating attachment styles, family conflict/communication styles, trauma work, infidelity, identity issues and issues related to sexuality. Trauma work can incorporate people’ experience with sexual abuse, intimate partner violence, and intergenerational and racial trauma.
He specializes in working with individuals within the Queer and LGBTQIA+ community, offering a supportive and affirming environment. David’s therapeutic approach is rooted in narrative therapy, Emotionally Focused Therapy and evidenced-based practices like CBT and DBT. David draws from various interventions such as experiential therapy, family systems, Gottman’s Method, psychodynamic and structural family therapy.

He aspires to undergo training in EMDR and offer Ketamine-Assisted Therapy. Over the last several years, David’s couples counseling experience has involved many different themes such as infidelity, coparenting, Ethical Non-Monogamy (ENM), Poly Relationships, Erectile Dysfunction Disorder (ED), supporting families with life transitions, improving communication skills, mixed families and more.

In his leisure time, they enjoy biking to various restaurants with friends, hosting dinners and gatherings, engaging in painting or pottery, dancing in nightlife scenes, and traveling to new countries. David has a preference for sunny weather and delights in lounging on grassy areas, beaches, and spending time on the floor of living rooms with friends. They have aspirations to learn woodworking, master swimming against currents, surf, and enhance their dance choreography skills.

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David Díaz, MS, LMHC

Supervisor & Psychotherapist

David’s (he/him) practice incorporates knowledge and techniques from various therapeutic...

Now Accepting Cigna/Evernorth and Aetna!

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