Dennis Siefker is a licensed professional counselor in Colorado with 30 years of clinical experience.
01About Dennis
Dennis Siefker is a licensed professional counselor in Colorado with 30 years of clinical experience. He works with adults facing depression, addiction, anxiety, grief, and complicated relationship issues. His practice centers on helping people find practical ways to cope and move forward.
Dennis uses straightforward, people-focused methods rather than jargon. Sessions focus on what is happening now and on skills that can be used between meetings. He pays attention to how past experiences shape present patterns, especially around attachment and intimacy.
Background and approach
Many clients come for help after a major life change or when stress becomes overwhelming. He also supports those dealing with trauma, eating and sleeping problems, ADHD, and compassion fatigue. Dennis addresses both emotional symptoms and everyday challenges like communication and boundary-setting.
His style blends active listening with tools from cognitive behavioral and dialectical behavior approaches. That means identifying unhelpful thoughts, practicing new behaviors, and building emotional regulation skills. He also draws on client-centered and emotionally focused ideas to strengthen connections and self-understanding.
Sessions are offered by video call, phone, live chat, or text messaging to fit different schedules. Pricing varies with location and uses a subscription model that can be canceled at any time. To begin, people complete a short matching questionnaire and then schedule according to therapist availability.
02Credentials
- LPC (Colorado)
- License 12839 · expires August 2027
- NPI
- 1831240506 · national provider identifier
Both are public records. A state board register will confirm a license and its standing, and the national registry will confirm an NPI. This directory copies what the counselor lists and checks neither.
03Focus areas and approaches
Everything Dennis lists on their public professional profile, in their own terms.
- Addictions
- Relationship issues
- Family conflicts
- Trauma and abuse
- Depression
- Stress, Anxiety
- Grief
- Intimacy-related issues
- Eating disorders
- Sleeping disorders
- Parenting issues
- Anger management
- Self esteem
- Career difficulties
- Bipolar disorder
- Coping with life changes
- Compassion fatigue
- ADHD
- Abandonment
- Antisocial personality
- Attachment issues
- Autism and Asperger Syndrome
- Avoidant personality
- Blended family issues
- Body image
- Cancer
- Co-morbidity
- Codependency
- Commitment issues
- Communication problems
- Control issues
- Coping with natural or human-caused disaster
- Dependent personality
- Disruptive Mood Dysregulation Disorder (DMDD)
- Dissociation
- Divorce and separation
- Domestic violence
- Drug and alcohol addiction
- Emptiness
- Family of origin issues
- Family problems
- Fatherhood issues
- First responder issues
- Forgiveness
- Guilt and shame
- Impulsivity
- Infidelity
- Intellectual disability
- Isolation / loneliness
- Jealousy
- Life purpose
- Men's issues
- Midlife crisis
- Mood disorders
- Narcissism
- Obsessions, compulsions, and OCD
- Panic disorder and panic attacks
- Paranoia
- Personality disorders
- Phobias
- Postpartum depression
- Post-traumatic stress
- Process addiction (porn, exercise, gambling)
- Seasonal Affective Disorder (SAD)
- Self-harm
- Self-love
- Sex addiction
- Sexual assault and abuse
- Social anxiety and phobia
- Traumatic brain injury
- Workplace issues
- Young adult issues
Methods Dennis names
- Client-Centered Therapy
- Cognitive Behavioral Therapy (CBT)
- Dialectical Behavior Therapy (DBT)
- Emotionally-Focused Therapy (EFT)
- Existential Therapy
- Mindfulness Therapy
- Motivational Interviewing
- Solution-Focused Therapy
- Trauma-Focused Therapy
These are the methods Dennis names on their own professional profile. Naming an approach is not evidence of training or certification in it, and this directory checks no training records. Ask directly if it matters to you.
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04Online support
Therapeutic approaches applied to online care
Client-centered therapy puts the person's experience first. The therapist listens closely and helps people find their own solutions, which can be useful for building self-trust and clarity about goals.Cognitive Behavioral Therapy, or CBT, focuses on identifying unhelpful thoughts and testing new behaviors. It is often used for anxiety, depression, and stress when people want clear steps to change how they think and act.
Dialectical Behavior Therapy, or DBT, teaches emotional regulation, distress tolerance, and better interpersonal skills. It can help people who feel overwhelmed by intense emotions or who struggle with relationship patterns.
Finding the right approach is part of the work. The therapist will collaborate with each person to choose or combine methods that match their needs, goals, and preferences. That gives space to adjust the plan as progress is made.
Online sessions are offered by video call, phone, live chat, or text-based messaging for flexibility. Video is useful when visual cues matter, phone can be easier when bandwidth is limited, chat or text fits short check-ins or tight schedules. These options make it simpler to fit therapy into work, school, or caregiving routines while keeping treatment consistent and approachable.
05Questions people ask
What kinds of problems does Dennis help with?
He works with depression, addiction, anxiety, trauma, grief, and relationship concerns. He also helps with issues like eating and sleeping problems, ADHD, and stress from life changes.
How would you describe his therapy style?
Sessions are practical and people-focused. He blends listening with hands-on tools to change thoughts and behaviors and to improve emotional regulation.
What is his background and experience?
He has 30 years of clinical experience working with adults on complex emotional and behavioral issues. That experience informs both short-term problem work and longer-term personal growth.
Where is he licensed and based?
He is a Licensed Professional Counselor with a Colorado LPC credential and practices from Colorado.
Which languages are supported in sessions?
Sessions are offered in English.
What session formats are available online?
He offers video calls, phone sessions, live chat, and text-based messaging to match different needs and schedules.
How does payment and cost work?
Cost varies with location and therapist availability. Sessions use a subscription that can be canceled at any time.
How do I begin working with him?
Choose the Start Therapy button, complete a short matching questionnaire, and then schedule according to therapist availability.
Is this your profile?
Ask us to correct details or take the page down.