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Booking Widget
Recent Updates From Derek T
Last updated | Monday February 17, 2025
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I provide assessment, treatment, & consultation in areas of domestic & sexual violence, anger management, & a variety of behavior & mental health disorders. I offer a number of weekly groups, classes and individual sessions. I have provided direct treatment & clinical oversight to children & adults in secure residential treatment settings, forensic settings, community corrections, & on an out-patient basis in New Hampshire & New York. I primarily adhere to Cognitive Therapy & Rational Emotive Therapy approaches, as well as Applied Behavior Analysis techniques.
I offer evaluations, groups and classes for: Domestic Violence Education & Batterer's Intervention , NH DOC Aftercare, Anger Management, & treatment of problematic and/or sexually abusive behavior, and more. I also provide consultation & training workshops for staff & administration at a variety of local & state agencies, schools, & private facilities.
About Derek T
Identity
Getting To Know Derek T
I provide assessment, treatment, & consultation in areas of domestic & sexual violence, anger management, & a variety of behavior & mental health disorders. I offer a number of weekly groups, classes and individual sessions. I have provided direct treatment & clinical oversight to children & adults in secure residential treatment settings, forensic settings, community corrections, & on an out-patient basis in New Hampshire & New York. I primarily adhere to Cognitive Therapy & Rational Emotive Therapy approaches, as well as Applied Behavior Analysis techniques.
I offer evaluations, groups and classes for: Domestic Violence Education & Batterer's Intervention , NH DOC Aftercare, Anger Management, & treatment of problematic and/or sexually abusive behavior, and more. I also provide consultation & training workshops for staff & administration at a variety of local & state agencies, schools, & private facilities.
Take the first step to finding help. Call Derek T now – (603) 712 5858
Rates & Insurance
-
Individual Sessions 0
-
Couples Sessions 0
-
Groups Sessions 0

It’s typical for mental health professionals to not participate in your insurance network. However, numerous insurance plans do provide coverage for out-of-network services, which means you might receive partial reimbursement for your expenses.Learn more
Treatments & Expertise
Client Focus
- Individuals
- Group
- Emotional Disturbance
- Anger Management
- Autism
- Education And Learning Disabilities
- Substance Use
- Personality Disorders
- Traumatic Brain Injury (tbi)
- Domestic Violence
- Sexual Abuse
- Relationship Issues
- Impulse Control Disorders
- Oppositional Defiance (odd)
- Child
- Chronic Impulsivity
- Drug Abuse
- Anxiety
- Thinking Disorders
- Developmental Disorders
- Alcohol Use
- Trauma And Ptsd
- Intellectual Disability
- Coping Skills
- Antisocial Personality
- Domestic Abuse
- Behavioral Issues
- Cognitive Behavioral (cbt)
- Rational Emotive Behavior (rebt)
- Dialectical Behavior (dbt)
- Motivational Interviewing
- Teen
- Adults
- Preteen
Not sure if you’re the right fit for Derek‘s Practice? Take This Quick Survey
Education & Training
Booking Widget
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I provide assessment, treatment, & consultation in areas of domestic & sexual violence, anger management, & a variety of behavior & mental health disorders. I offer a number of weekly groups, classes and individual sessions. I have provided direct treatment & clinical oversight to children & adults in secure residential treatment settings, forensic settings, community corrections, & on an out-patient basis in New Hampshire & New York. I primarily adhere to Cognitive Therapy & Rational Emotive Therapy approaches, as well as Applied Behavior Analysis techniques.
I offer evaluations, groups and classes for: Domestic Violence Education & Batterer's Intervention , NH DOC Aftercare, Anger Management, & treatment of problematic and/or sexually abusive behavior, and more. I also provide consultation & training workshops for staff & administration at a variety of local & state agencies, schools, & private facilities.
About Derek T
Identity
Getting To Know Derek T
I provide assessment, treatment, & consultation in areas of domestic & sexual violence, anger management, & a variety of behavior & mental health disorders. I offer a number of weekly groups, classes and individual sessions. I have provided direct treatment & clinical oversight to children & adults in secure residential treatment settings, forensic settings, community corrections, & on an out-patient basis in New Hampshire & New York. I primarily adhere to Cognitive Therapy & Rational Emotive Therapy approaches, as well as Applied Behavior Analysis techniques.
I offer evaluations, groups and classes for: Domestic Violence Education & Batterer's Intervention , NH DOC Aftercare, Anger Management, & treatment of problematic and/or sexually abusive behavior, and more. I also provide consultation & training workshops for staff & administration at a variety of local & state agencies, schools, & private facilities.
Take the first step to finding help. Call Derek T now – (603) 712 5858
Rates & Insurance
-
Individual Sessions 0
-
Couples Sessions 0
-
Groups Sessions 0

It’s typical for mental health professionals to not participate in your insurance network. However, numerous insurance plans do provide coverage for out-of-network services, which means you might receive partial reimbursement for your expenses.Learn more
Treatments & Expertise
Client Focus
- Individuals
- Group
- Emotional Disturbance
- Anger Management
- Autism
- Education And Learning Disabilities
- Substance Use
- Personality Disorders
- Traumatic Brain Injury (tbi)
- Domestic Violence
- Sexual Abuse
- Relationship Issues
- Impulse Control Disorders
- Oppositional Defiance (odd)
- Child
- Chronic Impulsivity
- Drug Abuse
- Anxiety
- Thinking Disorders
- Developmental Disorders
- Alcohol Use
- Trauma And Ptsd
- Intellectual Disability
- Coping Skills
- Antisocial Personality
- Domestic Abuse
- Behavioral Issues
- Cognitive Behavioral (cbt)
- Rational Emotive Behavior (rebt)
- Dialectical Behavior (dbt)
- Motivational Interviewing
- Teen
- Adults
- Preteen
Not sure if you’re the right fit for Derek‘s Practice? Take This Quick Survey