Experienced & Professional Mental Health Providers

All of our mental health providers are located right here in Sioux City, Iowa at our convenient office location on (2212 Pierce Street, Suite 100, Sioux City, IA). Many of our providers have years of experience treating multiple types of conditions.

Mental Health AssociatesStaff


Denise Marandola, Ph.D

Dr. Denise Marandola is a Clinical Psychologist who received her undergraduate degree in Psychology from Morningside College. Master’s Degree from the University of Nebraska at Omaha and her Ph.D. in Clinical Psychology from the University of South Dakota.


Susanna Shell-Phillips, MSW, LISW, CADC

Susanna earned her Master's Degree in Social Work from the University of Omaha. She is a licensed independent social worker and certified alcohol and drug counselor in the State of Iowa.

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Lois Holmes, LISW

Lois Holmes, LISW has over 15 years of experience working with individuals, families and within the community. She is a Certified Resolve Through Sharing Counselor and Coordinator.

Michelle Buhman-Livermore, LISW, CCTS-F

Michelle earned her master's degree in social work from the University of Nebraska-Omaha. She is a licensed Independent Social Worker and Certified Clinical Trauma Specialist.


Jeanne & Tammy

Our excellent office staff that makes your appointments, and helps keep everything running smoothly for you and our providers.


To our patients: During these hard times Mental Health Associates is here for you. We are now able to do appointments by video chat during this time of COVID 19.

Please contact us to learn how to connect with your provider virtually.