• Devereux Pennsylvania

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Children & Adolescents with Autism Spectrum Disorder

Devereux Pennsylvania supports children and adolescents with autism and other Pervasive Developmental Disorders in the development of communication, social and independence skills needed to realize fulfilling, productive and socially connected lives. All of our programs and services utilize evidenced-based strategies, including positive behavioral supports and applied behavior analysis.

Services include:

Devereux Pennsylvania Autism Assessment Center

Carol Anne McNellis, Psy.D., Clinical Director
Devereux Children’s Intellectual/Developmental Disabilities Services (CIDDS)
(267) 788-6892
600 Boot Road, Downingtown, PA 19335

To schedule an appointment, or for more information, please contact: Carol Anne McNellis, Psy.D., Clinical Director.

Providing Timely Answers, Support, and Resources for Families

The Devereux Pennsylvania Autism Assessment Center provides families with swift access to autism assessment and diagnostic services. Unlike most assessment programs, which can have wait times as long as 18 months, our assessment center team can arrange an appointment with your family within four weeks of your initial call. As the assessments can take several hours to complete, Devereux’s Autism Assessment Center features a family room equipped with a stocked kitchenette, a play area, and a computer with Internet access. Breaks are provided during the assessment process, as needed. With same-day preliminary feedback – followed by a detailed evaluation report with assessment information, diagnosis and recommendations – families can consult with Devereux professionals to discuss the report and receive guidance on the best, local services available to support your child and family.


  • In-take evaluation (reviewing relevant history and background)
  • ADOS-II (Autism Diagnosis Observation Schedule)
  • Assessments completed by masters or doctoral level clinicians trained to clinical reliability standards on the ADOS-II, under the supervision of a licensed doctoral level psychologist. Other professionals such as speech/language therapists and psychiatrists are available as needed for consultation or direct assessment.
  • Detailed evaluation report with diagnosis and recommendations
  • Same-day preliminary feedback
  • Consultation meeting to discuss evaluation report
  • Guidance on accessing appropriate community services available in the community

At the Devereux Autism Assessment Center, our licensed professionals have extensive training and experience delivering evidence-based assessments and interventions. Equally important is the caring and support we provide to families as you receive the answers you need for prompt access to the right services to help your loved one build skills and achieve greater independence.

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Short-Term Autism Intensive Residential Services

Please contact Kelly McCool at 610-431-8191 or by email at kmccool@devereux.org or Martin Berthold at 610-431-8126 or by email at mberthol@devereux.org for more information.

The Devereux Neurobehavioral Unit at CIDDS provides intensive, autism-specific treatment for children, ages 6 to 21, with severe behavioral challenges and skills deficits, which have not responded to treatment in traditional community based or residential settings.

Devereux employs evidenced-based practices across a continuum of care. These practices include a foundation of positive behavior interventions and supports delivered in a treatment environment that is trauma sensitive and trauma informed. The continuum begins with a comprehensive, functional behavioral assessment in the family’s home, followed by intensive, clinical services for a period of three to six months on the Devereux CIDDS campus, and concludes with discharge and after care service planning in partnership with Devereux CARES consultants and BHRS (Wrap Around) services. Our team of professionals includes Board Certified Behavioral Analysts (BCBAs), a clinical psychologist, child psychiatrist, special education teacher, nurses, speech language therapist, residential unit supervisor, and direct care providers, specially trained in Applied Behavior Analysis, Picture Exchange Communication System (PECS), and Individualized Positive Behavior Support.  More>>

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CIDDS Residential Treatment

Devereux Pennsylvania provides an rich diversity of 24 hour, out-of-home residential programs for children and youth with intellectual and developmental disability. A team of caring, talented staff are dedicated to helping each indvidual achieve social, emotional and educational goals and return to their home communities. More>>

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Approved Private Schools for Children & Adolescents 

Approved Private Schools (APS) are state-licensed schools that are operated by private agencies and provide special education day and/or residential programs for students with disabilities. The school district and the state will share in the cost to place a child in an Approved Private School if the child’s Individualized Education Program (IEP) team determines that the educational needs of the child cannot be met in a general education environment. In addition, parents may choose to privately fund the tuition cost of an approved private school. While placements are typically within state, children may be placed in an out of state program if an in-state school is not available.

Devereux Pennsylvania's Center for Autism Research and Education Services (CARES)
600 Boot Road, Downingtown, PA 19335
Co-ed day school for children ages 5 to 21 with autism. For detailed information on the Devereux CARES instructional programming, please visit the Devereux CARES website.

Devereux Pennsylvania Children’s Intellectual and Developmental Disabilities, The Learning Center 390 E. Boot Road, West Chester, PA   19380

Co-ed day and residential programs for children ages 5 to 21 with autism, other intellectual disabilities and mental health diagnoses.

Our transition programs for adolescents and young adults focus on achieving independence in self-care routines; domestic, employment, community-based and recreational skills; human sexuality; mobility training; and self-determination skills. We use person-centered futures planning and community based instruction to support our students as they prepare for adulthood.

Families and caregivers play an integral role at Devereux. Collaboration is facilitated through frequent, informal communication among teachers and families as well as scheduled meetings such as the IEP, Futures Planning, Parent-Teacher Organization and Quality Improvement meetings.

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CARES School and Family Consultation

Devereux Pennsylvania’s Center for Autism Research and Educational Services (CARES) is a noted leader in autism services in the Delaware Valley and beyond.  CARES serves children with an autism spectrum disorder, ages 5 to 21 years of age, their families and schools in the greater tristate area, as well as nationally and internationally. 

The mission of CARES, from its on-site educational program to its highly regarded consultation unit, is to ensure that students are given the greatest opportunity for success as adults. Devereux CARES utilizes evidence-based instructional strategies implemented through the science of applied behavior analysis (ABA) as a strong foundation upon which our children can realize levels of happiness and personal fulfillment. 

CARES Consultants help enable all those who touch the lives of students with autism spectrum disorders to learn and duplicate research-based educational strategies to improve the quality of life for each child in all settings - home, school and community. 

Contact information: 
Kristen M. Villone, Ph.D., BCBA-D, (484)667-9850, kvillone@devereux.org

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CARES ASCENT School to Work Transition Program

The Ascent program, a program from Devereux’s Community Adult Autism Partnership Program (CAAPP), assists school districts meet the unique needs of transition-aged students (ages 14 to 21) who do not benefit from spending a full school day in the classroom. The transition model emphasizes independence, employment readiness, community-based instruction and positive behavior support planning. With the support of the highly qualified Devereux specialists who work with the school’s IEP team, students develop appropriate and effective skills that will facilitate independence throughout their adult lives.

Program Components

  • Assessment: Employment interests and readiness, community and independent living skills, social and communication skills, person-centered futures planning, functional behavior assessment
  • Employment Preparation & Placement: Placement and support in community-based job and training sites, instruction in critical skills, portfolio and resume development
  • Direct Instruction In: Community-based skills, independent living skills, social skills, communication skills
  • Positive Behavior Support Planning: Skilled oversight by Master’s level or higher professionals,training and support to all levels of direct service staff, data collection, monitoring, and reporting.

Contact Information:
Amanda Duffy, (610)688-8597, aduffy@devereux.org

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Wrap Around Services

Devereux Pennsylvania Wrap Around Program
Strafford, PA
Behavioral Health Rehabilitation Services (BHRS) or "Wrap Around Services" are designed for children in the state of Pennsylvania who are ages 2 to 21 and meet the criteria for Medical Assistance. The goal of Wrap Around Services is to support the child in his or her natural environment (home, school, community) with behavioral interventions overseen by a Master's Level Clinician.

Contact Information:
Crissy Auger, (610) 688-1205cauger@devereux.org

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