Expert Psychiatry, Medication Management, & Therapy Services for Peoria & Central Illinois.

Meet the Team


Matthew M. Preston, M.D.

Matthew M. Preston, M.D.

Psychiatrist

Hannah Morrissey, D.O.

Hannah Morrissey, D.O.

Psychiatrist

Ghassan Bitar, MD

Ghassan Bitar, MD

Psychiatrist

Christopher P Holly, MSW, LCSW

Christopher P Holly, MSW, LCSW

Therapist

Edna Ng, LCSW, SAP

Therapist

Kendrick J. Bailey, LCPC

Therapist

Frandy S. Raso, LCSW

Therapist

Caleb H. Friedrich, LCSW

Therapist

Cristy Tomaszewski, LCSW

Therapist

April

Office Manager

Sarah

Receptionist

Anna

Receptionist

Lauren

Receptionist

Aubrey

Posting Clerk

Kim

Insurance/Billing Specialist

Matthew M. Preston, M.D.

Psychiatrist

Hannah Morrissey, D.O.

Psychiatrist

Ghassan Bitar, MD

Psychiatrist

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Who We Are

Associates in Mental Health, SC is a private practice with a comprehensive team of board-certified psychiatrists and licensed therapists serving Peoria and surrounding communities.

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What We Do

We provide quality mental health care for children and adults while staying current with innovation and research to offer informed, compassionate support.

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What to Bring

Help make your first visit as smooth as possible by printing and completing the necessary paperwork beforehand. Call us today to learn more.

Compassionate Mental Health Care in Peoria


For more than 40 years, Associates in Mental Health, SC, has provided mental health services to individuals and families in Peoria, IL, and surrounding communities. Our private practice brings together experienced board-certified psychiatrists and licensed therapists who provide personalized care for children, adolescents, and adults.


Whether you are seeking psychiatric care, therapy, counseling, or medication management, our team is here to help you understand your options and take the next step toward better mental health.

Why Choose Associates in Mental Health?


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Over 40 Years of Experience

Established in 1981, our practice has served the Peoria community for more than four decades, providing mental health support across a variety of needs.

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Experienced Mental Health Professionals

Our team includes board-certified psychiatrists and licensed therapists who work with patients of different ages and backgrounds.

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Care for Children and Adults

We provide mental health assistance for children, adolescents, and adults, with treatment options tailored to individual needs and goals.

Our Mental Health Services


Associates in Mental Health, SC, offers a range of services to support your mental health and well-being, including:


  • Psychiatry
  • Medication Management
  • Individual Therapy
  • Counseling
  • Marital and Couples Therapy
  • Child and Adolescent Services
  • Group Therapy
  • Mental Health Evaluations
  • Pharmacotherapy

Frequently Asked Questions


  • What are your office hours?

    Our regular office hours are Monday through Friday from 9 AM to 5 PM. Limited evening and Saturday appointments may also be available.

  • How do I schedule an appointment?

    Call Associates in Mental Health, SC, at 309-637-4266 to speak with our office staff and schedule an appointment.

  • What should I bring to my first appointment?

    Please bring your insurance card and picture ID. Completing your required paperwork beforehand can also help make your first visit smoother.

  • Do you provide care for children?

    Yes. Our team provides mental health services for children, adolescents, and adults.

  • What insurance do you accept?

    We accept plans including Aetna, Blue Cross Blue Shield, Cigna, Humana, UnitedHealthcare, and Medicare. Call us to ask about other insurance plans.

Take the Next Step Toward Better Mental Health


Finding the right mental health support can be an important first step. Associates in Mental Health, SC, is here to help individuals and families in Peoria, IL, understand their care options.


Call 309-637-4266 today to learn more or schedule an appointment.