Our Administrators


LIZ WOLF serves as the Therapist Advocacy Manager for the Gersten Center for Behavioral Health. Liz manages the credentialing and referral departments and provides administrative support to the Clinicians at the Gersten Center.

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JULIE BENITEZ serves as Medical Office Administrator at the Gersten Center for Behavioral Health. Julie has over 7 years of experience in the medical industry with a background in medical billing, administrative training, and clerical support roles. Julie manages billing processes, ensuring appropriate billing set up for clinicians and their clients, provides additional IT support and welcomes new employees to the organization by conducting orientation.

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OFELIA OLIVAS joined Gersten Center with a broad range of administrative expertise, acquired over the past 10 years working in healthcare and customer support roles. As an Administrator, Ofelia manages the administrative needs of our patients and clinicians in the Foster Medical Pavilion office located in Chicago. In a close working relationship with the billing department, Ofelia provides organizational support for all patient related updates or changes and provides assistance to the clinical staff with quality reporting initiatives.

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HATTIE FOGERTY joined Gersten Center with over 4 years of experience working in the healthcare industry. Hattie has a vast background in administration as well as customer service. As an Office Administrator, Hattie’s responsibilities include providing excellent client assistance and administrative support to the clinicians in our Touhy office. She also serves as an Intake Coordinator for Gersten Center.

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JAZMINE VARGAS joined Gersten Center with over 6 years of experience with customer service and administrative service abilities. As an Office Administrator Jazmine's responsibilities includes medical record request, managing the referral department, and the administrative needs of our patients and clinicians in the Eden’s Office Plaza located in Chicago.

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MARIANA KOROL joined Gersten Center with over 4 years of experience with customer service in various backgrounds, including healthcare industry. Mariana also has experience as a Medical Billing Coordinator which influenced her to continue in the healthcare administration path. As an Office Administrator / Medical Biller, Mariana will work closely with the Billing department to resolve problems and work on current insurance changes, as well as providing administrative support to our patients and clinicians in Melrose Park Location.

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ZAINAB SIDDIQI joined Gersten Center with over 2 years of experience working in the healthcare industry. Zainab has a background in patient intake, scheduling and customer service. Zainab will support our Intake Department by answering new patient phone calls and providing administrative support to our Evanston Office.

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