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.

Nicole Sinclair, MD, FAAP
Board Certified Pediatrician

As one of HealthCall’s diagnostic physicians, Dr. Nicole Sinclair, MD, F.A.A.P provides comprehensive diagnostic evaluations for ASD.

Lauren Worrall, Psy.D.
Board Certified Clinical Psychologist

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

Allison Noel, MS, FNP-C
Nurse Practitioner

Allison is a family nurse practitioner who provides comprehensive diagnostic evaluations for ASD.

Tauren Toliva, M.Ed., LBA
Board Certified Behavior Analyst, Director

Tauren has worked with individuals on the autism spectrum for nearly 10 years. She has worked with clients in clinical settings, their homes, communities and school settings. She graduated with her Masters of Special Education with a concentration in Applied Behavior Analysis from Oakland University.

Taiseer Almorisi, QBHP
Qualified Behavioral Health Professional

Taiseer Almorisi has been a proud member of HealthCall’s Behavioral Services Division for more than two years, currently serving as a Qualified Behavioral Health Professional (QBHP).

Matthew Cunningham, QBHP, TLLP
Qualified Behavioral Health Professional

Matthew joined HealthCall in 2022. Matthew earned his Bachelor of Arts degree in Psychology from Oakland University and his Master of Science degree in Clinical Behavioral Psychology from Eastern Michigan University.

Kourtney Dionne, M.A., LABA
Board Certified Assistant Behavior Analyst

Kourtney graduated from Central Michigan University with a B.S. in psychology and began working in the field of ABA in 2018. y.

Jennifer Germain, M.Ed., LBA
Board Certified Behavior Analyst

Jennifer has been a member of the HealthCall team since June 2019. She received her Bachelor’s degree in Psychology from Bowling Green State University, and Master’s Degree in Special Education with a concentration in Applied Behavior Analysis from Oakland University.

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

Marisa Mieczkowski, M.A., LBA
Board Certified Behavior Analyst

Marisa has been in the field of ABA since 2018, after earning her undergraduate degree from Grand Valley State University.

Olivia Milani, M.Ed., LBA
Board Certified 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 BCBA certification.

Nicolina Nagle, M. Ed., LBA
Board Certified Behavior Analyst

Nicolina has over 9 years of experience working with individuals with autism spectrum disorder. She has served as a behavior technician as well as a supervising clinician in clinics and homes across the metro Detroit area.

Lisa Nguyen, M.Ed.
Board Certified Behavior Analyst

Lisa has gained over 5 years of experience working in various settings and roles within the field of Applied Behavior Analysis. She earned her Bachelor of Arts degree in Communication Sciences and Disorders from Wayne State University before completing her Master’s degree in Special Education with a concentration in Applied Behavior Analysis at Oakland University.

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.

Parisa Shifteh, M.A., BCBA
Board Certified Behavior Analyst

Parisa has been in the field of ABA for several years. She graduated from Oakland University in 2017 with a B.S in Kinesiology and obtained her M.A in Applied Behavior Analysis from Ball State University in 2019.

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.

Amanda Trudeau, M.A.
Board Certified Behavior Analyst

Amanda received her Bachelor’s Degree in Psychology and Family Studies from Central Michigan University, and Master’s Degree in Special Education with a concentration in Applied Behavior Analysis from Arizona State University.

Adrienne Cheff, MA, CCC-SLP
Speech Language Pathologist

Adrienne is a licensed speech-language pathologist, with special interests in autism spectrum disorder and apraxia of speech.

Bailey McCarty, MA, CCC-SLP
Speech Language Pathologist

Bailey is a licensed speech-language pathologist, with special interests in autism spectrum disorder.

Mikayla Treynor, MA, CCC-SLP
Speech Language Pathologist

As a Speech-Language Pathologist, Mikayla provides comprehensive speech and language evaluations, individualized plans of care, and intervention for children at HealthCall.

Danielle Baker, OTD, OTR/L
Occupational Therapist

Danielle is a licensed occupational therapist that provides comprehensive evaluations and treatment for the pediatric population at HealthCall with a focus on feeding.

Madelyne Luddy, OTD, OTR/L
Occupational Therapist

Madelyne is a licensed occupational therapist who provides comprehensive evaluations and interventions to the pediatric population at HealthCall

Ella Thibault, M.S., OTR/L
Occupational Therapist

Ella 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
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.

Teresa Daniels, BSN, RN
Clinical Nurse Manager

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

Tammie Austin, RN
Field Supervisor

Tammie oversees the delivery of patient care and provides guidance and direction to the field staff.   She graduated from Oakland Community College and has been a Registered Nurse since 1997,

Organizational Development and Continuing Education


Rockelia Mathies
Director of Human Resources and Education

Rockelia serves as the Director of Human Resources and Education for HealthCall of Detroit with over ten years of experience in Human Resources

Nicole Osgood, MSHA
Director of Health Information Management Systems 

Nicole serves as the Director of Health Information Management Systems (HIMS) and is HealthCall’s subject matter expert in Medicaid and private insurance within both the Private Duty Nursing and ABA benefit.

Lauren Badaczewski, RRT
Respiratory Instructor
(American Association of Respiratory Care)

Lauren oversees the Adult and Pediatric Respiratory Assessment and Management course.

Cheri Topper
CPI Instructor

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

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 Szirtes is General Counsel for HealthCall. She has more than fifteen years’ experience in executive leadership and is the principle legal advisor to the company.

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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.