The following are brief descriptions of the specialists most commonly associated with the diagnosis, intervention and treatment of autism spectrum disorders.

• Geneticist: A physician specializing in the study of disorders associated with heredity
• Occupational Therapist: Helps minimize impact of disability of independence in daily living by adapting child's environment and teaching sub-skills of the missing developmental components.
• Psychiatrist: A medical physician who focuses on treating mental illness from a biological perspective and may prescribe various medications for treatment.
• Psychologist: A doctor of clinical psychology, who is qualified to assess using the Autism Diagnostic Observation Schedule (ADOS); the "gold standard" for assessing and diagnosing autism and pervasive development disorder (PDD) across ages, developmental levels, and language skills. Psychologists also provide therapy to individuals, couples, and families.
• Physical Therapist: Design and implement specially designed exercises and equipment to help patients regain or improve their physical abilities.
• Neurologist: A physician specializing in diagnosing and treating disorders of the nervous system.
• Speech and Language Pathologist: A therapist that specializes in human communication and whose focus is to increase a child's ability to impact and understand their environment.