
Dr. Kathryn Sullivan
Psychologist, PhD
Verified by Psychology Today Verified by Psychology Today
Third Avenue, New York, NY 10003
Connect with Dr. Kathryn Sullivan

Dr. Sullivan has extensive experience providing evidence-based therapy to children, adolescents, adults, and families across various settings, including private practice, clinics, hospitals, and schools. She specializes in treating anxiety disorders, obsessive-compulsive disorder (OCD), ADHD, depression, and difficulties with emotional regulation. She also treats selective mutism and externalizing behaviors in children and teens. Dr. Sullivan takes an integrative, skills-based approach to therapy, drawing from Cognitive Behavioral Therapy, Dialectical Behavior Therapy, Parent Management Training, and mindfulness-based strategies.
Dr. Sullivan works with clients to develop skills to navigate challenges. She has specific interest in ADHD and executive functioning challenges, helping clients develop strategies for organization, time management, decision-making, and problem-solving. For children, she integrates school-based interventions and parent collaboration for lasting progress.
With expertise in supporting adolescents and adults through life transitions, Dr. Sullivan treats college students, young professionals, and adults navigating career shifts, work-life balance, and personal growth. She fosters a supportive and results-driven therapeutic environment, empowering individuals and families to create meaningful, lasting change.
Email Dr. Kathryn Sullivan now for a free 15 minute consultation
Connect with Dr. Kathryn Sullivan

Finances
Insurance
- Blue Cross
- Blue Shield
- BlueCross and BlueShield
- Cigna and Evernorth
- Empire Blue Cross Blue Shield
- Harvard Pilgrim
- Optum
- Oxford
- United Medical Resources (UMR)
- UnitedHealthcare UHC | UBH
- Out of Network

Dr. Kathryn Sullivan
Psychologist, PhD
Email me for a free 15 minute consultation now.
Qualifications
- Verified by Psychology Today Licensed by State of New York / 025947 Kathryn Elizabeth Sullivan
Specialties and Expertise
Top Specialties
- Anxiety
- ADHD
- Life Transitions
Expertise
- Anger Management
- Asperger's Syndrome
- Autism
- Behavioral Issues
- Borderline Personality (BPD)
- Child
- Chronic Illness
- Coping Skills
- Depression
- Education and Learning Disabilities
- Emotional Disturbance
- Family Conflict
- Grief
- Obsessive-Compulsive (OCD)
- Oppositional Defiance (ODD)
- Parenting
- Peer Relationships
- Relationship Issues
- School Issues
- Sleep or Insomnia
- Stress
- Women's Issues
Client Focus
Age
Children (6 to 10) ,
Preteen ,
Teen ,
Adults
Participants
Individuals ,
Family
Age
Children (6 to 10) ,
Preteen ,
Teen ,
Adults
Participants
Individuals ,
Family
Treatment Approach
Types of Therapy
- Cognitive Behavioral (CBT)
- Dialectical Behavior (DBT)
- Exposure Response Prevention (ERP)
- Family / Marital
- Mindfulness-Based (MBCT)
- Motivational Interviewing
- Strength-Based
Location
Nearby Areas
Cities
Counties

Dr. Kathryn Sullivan
Psychologist, PhD