Clinical Team

Erin Duchan, MD, FAAP
Board Certified Pediatrician, Medical Director

Erin provides comprehensive diagnostic evaluations for ASD. She is also responsible for guiding the organization in meeting regulatory requirements and in adhering to HealthCall’s objectives for assuring quality patient care.

Lauren Worrall, Psy.D.
Clinical Psychologist

Lauren is a licensed clinical psychologist with a primary focus on neuropsychological and psychological assessment.

Mary Mazara, LMSW
Licensed Master Social Worker

Mary provides comprehensive diagnostic evaluations for ASD as well as practices as a behavioral technician providing ABA therapy.

Julia Key, M.Ed., LBA
Board Certified Behavior Analyst

Julia has worked as a behavioral therapist and clinical supervisor in several metro Detroit clinics prior to joining the team at HealthCall. She graduated with her Masters of Special Education with a concentration in Applied Behavior Analysis from Oakland University

Alison Kolpasky, M.A., LBA
Board Certified Behavior Analyst

Alison has worked as a behavior therapy supervisor in several different clinical centers prior to joining us at HealthCall.  She graduated with her Masters of Art in Applied Behavior Analysis with an emphasis in Autism Spectrum Disorders from Ball State University.

Yun “Enfys” Lin, M. Ed., LBA
Board Certified Behavior Analyst

Enfys has 6 years of experience working with children with special needs as a BCBA and a supervisor in clinical, home, school, and community settings.

Jessica Osos, MA, LBA
Board Certified Behavior Analyst

Jessica has worked with a wide age range of individuals with autism spectrum disorder (ASD) in clinical, community, home, and school settings for over five years.

Gabriella Tedesco, M.Ed., LBA
Board Certified Behavior Analyst

Gabriella has several years of experience working as a behavioral therapist and a clinical supervisor. She graduated with her Masters in Special Education with a concentration in Applied Behavior Analysis from Oakland University.

Cheri Topper
Speech Language Pathologist

Cheri conducts comprehensive assessments of language and communication, and she sets personalized goals, focused on initiating spontaneous communication and engaging in reciprocal communication.

Courtney VanderWerp, MSOT
Occupational Therapist

Courtney Vander Werp is a licensed Occupational Therapist providing comprehensive evaluations and treatment for the pediatric population at Healthcall.