About Me
I have always been enchanted by children and their ability to simply 鈥渂e鈥 in the world, just as they are. I find them to be extraordinarily resilient, even under the most serious of circumstances.
I wanted to further understand child development, parental roles, nature versus nurture, and the influence of the school environment on a child鈥檚 growth. More broadly, I wanted to know more about how childhood disorders emerge. For these reasons, I decided to leave my first career in a corporate job to pursue child clinical psychology, a profession I found to be satisfying and fulfilling.
I am the clinical director of 麻豆国产AV Langone鈥檚 Child Study Center鈥擫ong Island, where my team and I provide families with parent鈥揷hild interaction therapy, school consultation, individual and family therapy, social skills training groups, medications for a wide variety of clinical disorders, and neuropsychological testing.
For the past 17 years, I have also been the director of the Child Study Center鈥檚 Summer Program for Kids, an evidence-based day camp for children 7 to 11 years old who have been diagnosed with attention deficit hyperactivity disorder and behavior disorders.
I was also the site coordinator of a landmark multisite clinical trial鈥攖he Multimodal Treatment of Attention Deficit Hyperactivity Disorder (MTA) study鈥攄esigned to determine the most effective treatments for children with attention deficit hyperactivity disorder.
Treatment must include the parents if we are to best help the child. If a child is struggling in school, the teacher鈥檚 input and involvement are also important to successful treatment. The key is regular discussions among all professionals caring for the child, allowing us to monitor progress and symptoms from various angles.
Conditions and Treatments
Treatments
- parent training
Conditions
- attention deficit hyperactivity disorder in children
- behavior disorder
- disruptive behavior disorder
- oppositional defiant disorder
Treatments
- behavior therapy
Learn more about conditions we treat at 麻豆国产AV Langone:
Attention Deficit Hyperactivity Disorder in Children , Behavioral Problems in ChildrenCredentials
Positions
- Clinical Associate Professor,
- Clinical Associate Professor,
- Clinical Director, 麻豆国产AV Langone Child Study Center-Long Island
Education and Training
- PsyD from Yeshiva University, 1989
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Insurance Plans Accepted
This provider accepts the following insurance plans.
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Aetna
- Aetna EPO (AMEX employees)
- Aetna POS (American Express Employer)
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Anthem Blue Cross Blue Shield
- BCBS EPO (BlackRock Employees)
- BCBS EPO (LICH Employees)
- BCBS EPO - Empire EPO (麻豆国产AV Langone Employees)
- BCBS EPO - Empire EPO (Sunset Park/Family Health Center Employees)
- BCBS EPO - Empire 麻豆国产AV Care (麻豆国产AV Langone Employees)
- BCBS EPO - Empire 麻豆国产AV Care (Sunset Park/Family Health Center Employees)
- BCBS PPO (BlackRock Employees)
- BCBS PPO - Empire PPO (Sunset Park/Family Health Center Employees)
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United Healthcare
- Unite Healthcare (NY University Care Plan)
- United Healthcare Choice (AMEX employees)
- United Healthcare Choice (Blackrock employees)
- United Healthcare Choice (CBS employees)
- United Healthcare Choice (Simon
- United Healthcare EPO (麻豆国产AV Langone Health Employees)
- United Healthcare Indemnity (麻豆国产AV Langone Health Employees)
- United Healthcare Nexus (Amex Employees)
- United Healthcare Plus (麻豆国产AV Langone Health Employees)
- United Healthcare Student Resources (麻豆国产AV)
- United Healthcare Value, Advantage and HDHP (New York University employees)
Karen A. Fleiss, PsyD does not accept insurance.
Locations and Appointments
Child Study Center - Long Island
1991 Marcus Avenue, Suite 104, New Hyde Park, NY 11042
Research Academic Contact
Academic office
1991 Marcus Avenue
Suite 104
Lake Success, NY 11042
Phone
Research Interests Timeline
Publications
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Lewandowski, Robert Eric; Jenness, Jessica; Spiro, Carolyn; DeLonga, Kathryn; Crowe, Katherine; Tahilani, Kavita; Happer, Katie; Sullivan, Paul; Camacho, Kathleen; Kim, Jiyon; Fleiss, Karen; Schlechter, Alan; Watson, Bethany; Knepley, Mark; Martell, Christopher; Hoagwood, Kimberly; Horwitz, Sarah M.; McCauley, Elizabeth
Evidence-based practice in child & adolescent mental health. 2022 Jan 01; ?-?
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Hechtman, Lily; Abikoff, Howard; Klein, Rachel G; Greenfield, Brian; Etcovitch, Joy; Cousins, Lorne; Fleiss, Karen; Weiss, Margaret; Pollack, Simcha
Journal of the American Academy of Child & Adolescent Psychiatry. 2004 Jul ; 43(7):830-8
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Abikoff, Howard; Hechtman, Lily; Klein, Rachel G; Gallagher, Richard; Fleiss, Karen; Etcovitch, Joy; Cousins, Lorne; Greenfield, Brian; Martin, Diane; Pollack, Simcha
Journal of the American Academy of Child & Adolescent Psychiatry. 2004 Jul ; 43(7):820-9