Wilmington, DE

Behavior Frontiers
1000 N West Street, Suite 1200, Wilmington, Delaware, 19801
Phone: 888.922.2843
Fax: 855.568.2494


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Behavior Frontiers offers exceptional behavior intervention services to Wilmington and surrounding areas in Delware. We are NOW ACCEPTING new clients with autism or other special needs into our applied behavior analysis (ABA) treatment programs. Our comprehensive treatment program is conducted in the child’s natural setting, such as his/her home, school, or community. Our highly-trained team of behavior supervisors and instructors work together with family members and other professionals to target the reduction of problem behaviors and the improvement of a variety of age-appropriate skills, such as socialization and communication. We accept payment from private sources, as well as from insurance companies or school districts. Please contact our office at 888-922-2843 today to start services!

Serving the following DE cities:

Claymont, Edgemoor, Greenville, Elsmere, New Castle, Newark, Pike Creek, Talleyville, Wilmington, Wilmington Manor

We are open to extending our range of service to additional areas and to contracting with additional school districts and insurance companies. Please contact our office at 1-888-922-2843 if you do not see your location listed above.

Training Center: Families located out of our service area can also receive our online ABA training for parents and professionals through Behavior Frontiers Online Training Center.

In-Network Insurance Contracts

Behavior Frontiers is an in-network provider with the following insurance providers in Delaware:

  • Aetna

  • Cigna

  • ComPsych

  • Optum

We are also in the process of finalizing contracts with additional health plans. Please contact us if you do not see your health plan listed so that we can discuss your options.


Diana Betsis, M.A., BCBA
Senior Clinical Director

Diana Betsis received her Master's degree in Applied Behavior Analysis from Pennsylvania State University in Harrisburg, Pennsylvania. The following year she received her certification as a Board Certified Behavior Analyst (BCBA). Diana has worked with children and adolescents with autism and other developmental disabilities. During her graduate studies her work and internships focused on adolescents with severe self-injurious and aggressive behaviors. Diana has worked as a Behavior Therapist and Behavior Supervisor in home, school, and community settings. Diana is an Experienced Clinical Director with a demonstrated history of utilizing ABA with clients with developmental disabilities. Skilled in Adolescent and Early Intervention Therapy, Crisis Intervention, Applied Behavior Analysis, and Public Speaking. 



Mara Humphreys, MS, BCBA, LBS
Associate Clinical Director 

Mara Humphreys received her Bachelor's degree in English Literature from Trinity University in Washington, DC.  She was introduced to the field of ABA when she returned to work as an Instructional Aide in an autism learning support classroom after raising three children. She completed initial coursework in ABA through Pennsylvania State University and became a Board Certified Assistant Behavior Analyst (BCaBA). Mara continued her professional development and went on to earn a Master’s Degree in Education with a concentration in Behavior Analysis from Temple University in Philadelphia. She obtained her certification as a Board Certified Behavior Analyst (BCBA) in 2014.  Mara has completed practicums in special education classrooms, pediatric feeding clinics and research-based institutions. She has co-authored articles on the use of behavior analytic principles to increase healthy behaviors. These articles have been published in Pediatrics and Perspective on Behavior Science (the official journal of the Association of Behavior Analysis - International). Mara has worked with children, teens and adults diagnosed with Autism Spectrum Disorder (ASD) and other developmental disabilities in multiple settings:  homes, schools, day programs, and pediatric hospitals. Also, Mara has provided training for healthcare practitioners and parents in the use of ABA principles to help care for and teach their children skills for living meaningful lives.