Meet our team of highly trained professionals

Behavioral Services


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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.

Michelle Brinsden, LMSW
Licensed Master Social Worker

Michelle Brinsden provides comprehensive diagnostic evaluations for ASD and has earned her certificate in Autism Diagnostics Observation Schedule (ADOS-2). 

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.

Alyssa Taylor, M. ED
Board Certified Behavior Analyst

Alyssa has worked as a behavior therapy supervisor in several different centers prior to joining us at HealthCall.  Alyssa completed her Masters of Education in applied behavior analysis at Arizona State University.

Alison Kolpasky, M.A.
Qualified Behavioral Health Professional

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.

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

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.

Community Healthcare and Private Duty Nursing


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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.

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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.

Gwendolyn Acey, RN
Clinical Instructor

Gwendolyn oversees the care delivery of patients and provides guidance and direction on resource utilization to the clinical team.

Marcus Porter, RN, CBIS
Clinical Supervisor

Marcus oversees the delivery of patient care and provides guidance and direction to the clinical team.

Kimberly Crite, RN, BS, CBIS
Clinical Supervisor

Kimberly oversees the delivery of patient care and provides guidance and direction to the clinical team. Kimberly has worked as a registered nurse in the area of rehabilitation, specializing in traumatic brain and spinal cord injuries.

Julia Depa, RN, CBIS
Clinical Supervisor

Julia oversees the delivery of patient care and provides guidance and direction to the clinical team. Julia has been with HealthCall since March 2013, and she has been a Registered Nurse since 1997.

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).

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.

Amanda Stewart, BSN, RN
Clinical Supervisor

Amanda oversees the delivery of patient care and provides guidance and direction to the clinical team. 

Simone Anber, RN
Clinical Supervisor

Simone 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.

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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.

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Sarah Szirtes, JD
General Counsel

Sarah is the principle legal advisor to the company; responsible for organizational development as well as policy and procedure development and associated regulatory compliance.

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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.

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Emily Yager, BSN, RN, CBIS
Organizational Development Manager

Emily oversees the hiring of all nursing staff and retention of clinical staff.  She is also the administrator of the scheduling department.  She seeks to drive quality customer service by acquiring knowledgeable and skilled staff that can be utilized in our clients’ homes