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Our Team

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PTI consists of outstanding professionals, guided by our mission and values, who provide integrated services under the same roof using technology and scientific data so treatment and care is streamlined, timely, effective, and convenient.

Dr. Marjorie Person

Medical Director, Adult Psychiatrist

Dr. Person is a Board Certified Adult Psychiatrist who has a variety of experiences including community mental health, emergency rooms,...
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Donna Westlake, MD

Child Psychiatrist

Dr. Westlake is a board certified Child, Adolescent and Adult Psychiatrist with a lifelong interest in community-based psychiatry. She is...
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Dr. Marc L. Zimmermann

Ph.D., M.P., Neuropsychologists / Medical Psychologist

Dr. Marc Zimmermann has over 30 years’ experience in private practice as a psychologist. He received his Ph.D. from Texas...
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Andrea Plauche’

FMHNP-BC, Nurse Practitioner

Andrea is a Board Certified Family Psychiatric and Mental Health Nurse Practitioner. Mrs. Plauche’ received her bachelor’s degree in psychology from...
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Mendy Daniels

LCSW

Mendy has worked as a licensed clinical social worker for 18 years and as a master’s level social worker since...
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Ashley Bayoumi

LPC

Ashley is a Licensed Professional Counselor with over 7 years’ experience serving a variety of populations. Ashley recently joined PTI...
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Marliska DeClouette

LPC

Marliska has worked as a counselor for over 4 years, and has extensive experience working with mental illnesses such as...
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