Meet our team of highly trained professionals
Behavioral Services
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.
Board Certified 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.
Olivia Harris, BCaBA
Board Certified Assistant Behavior Analyst
Olivia completed her Bachelors of Science at Central Michigan University, where she majored in psychology with a focus in applied behavior analysis, after which she went on to obtain her BCaBA certification.
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 Vander Werp, MS, OTR/L
Occupational Therapist
Courtney Vander Werp is a licensed Occupational Therapist providing comprehensive evaluations and treatment for the pediatric population at Healthcall.
Community Healthcare and Private Duty Nursing
Martha Shaver, RN, BS, MPA, CBIS
Administrator of Clinical Services and Director of Nursing
Martha is responsible for clinical oversight of private duty and skilled home care services. She also leads the clinical team in Leelanau County, MI.
Jeanie Kidd, BSN, RN
Assistant Director of Nursing
Jeanie oversees the delivery of patient care and provides guidance and direction to the clinical team.
Patricia O’Donohue, BSN, RN, CPN, CCM
Nurse Case Manager
Pat assists in the management of clients’ and families’ needs related to financial, social, and emotional concerns along with assisting clients and families in obtaining equipment and supplies needed.
Diane Danna, RN
Clinical Supervisor
Diane oversees the delivery of patient care and provides guidance and direction to the clinical team. Prior to joining HealthCall, Diane spent eight years as a nurse in the Detroit Medical Center system, including Medical-Surgical as well as pediatric nursing.
Teresa Haunert, BSN, RN
Clinical Supervisor
Teresa oversees the delivery of patient care and provides guidance and direction to the clinical team.
Tiffany Rickett, BSN, RN
Clinical Supervisor
Tiffany oversees the delivery of patient care and provides guidance and direction to the clinical team. She graduated from Madonna University with a Bachelor of Science in Nursing (BSN).
Amanda Stewart, BSN, RN
Clinical Supervisor
Amanda oversees the delivery of patient care and provides guidance and direction to the clinical team.
Kimberly Wertheimer, BSN, RN
Clinical Supervisor
Kim oversees the delivery of patient care and provides guidance and direction to the clinical team.
Organizational Development and Continuing Education
Rockelia Colley
Human Resources and Education Supervisor
Rockelia serves as the Human Resources and Education Supervisor for HealthCall of Detroit with over ten years of experience in Human Resources.
Renee Kizy, M.ED
Organizational Development Specialist
Renee attended Oakland University for her undergraduate career where she obtained her Bachelors in Social Work with a focus in Sociology
Lauren Badaczewski, Respiratory Instructor
(American Association of Respiratory Care)
Lauren oversees the Adult and Pediatric Respiratory Assessment and Management course.
Marcus Porter, BLS / First Aid Instructor
(American Heart Association)
Marcus oversees the delivery of patient care and provides guidance and direction to the clinical team.
Leadership
Sandy Szirtes, RPh, CCM, CBIS
Founder & Chairman of the Board
Sandy is responsible for the overall direction of HealthCall as well as the development of organizational plans that align with the company’s mission and values.
Joel Szirtes, MPH, MHSA
Chief Executive Officer
Joel is responsible for the overall management of several internal departments: Human Resources, Payroll, Information Services, Medical Records, and Marketing and Communications.
Elliot Szirtes
Director of Operations
Elliot plans, organizes, and evaluates operations to ensure the provision of appropriate care and services; he also supervises the payroll and billing processes.
Sarah Szirtes, JD
General Counsel
Sarah is the principle legal advisor to the company; she is responsible for organizational development as well as policy and procedure development and associated regulatory compliance.
Leslie Rott, MHA, PhD
Compliance and Experience Officer
Leslie manages the organization’s data, manages and resolves client and employee complaints, oversees the creation and administration of the organization’s feedback surveys, and provides feedback to Administration via the creation and dissemination of quarterly and annual reports.