

As one of the country’s few psychiatrists who also practices sex therapy, I can provide unique and specialized services for patients who have been marginalized and oppressed. I offer a combination of sex therapy and medication management, tailored to both your personal and medical needs. While I predominantly follow an Acceptance and Commitment Therapy (ACT) approach, I also incorporate elements of psychodynamic psychotherapy, Cognitive-Behavioral Therapy (CBT), trauma-informed therapy, and supportive therapy. I completed medical school at the Indiana University School of Medicine (2021), and completed psychiatry residency training at University of Chicago (2025).
I treat 18+ individuals, and specialize in treating individuals within any sexual minority group — including members of the LGBTQIA+, trans, gender-expansive, non-monogamous, and kink communities — plus those who participate in unconventional sexual practices. I also treat couples and individuals within various relationship structures (such as triads, polycules, or other non-monogamous relationships).
I am a board-certified Psychiatric Nurse Practitioner with a Doctorate in Nursing Practice. I care deeply about creating a safe, supportive space where you feel comfortable being yourself. I work with adults experiencing anxiety, depression, mood disorders, ADHD, PTSD, and stress. I believe that every person’s story matters, and your care should reflect your unique needs and goals.
I want to warmly welcome you to the beginning of your healing journey and sincerely congratulate you on taking this courageous step toward prioritizing yourself.
My name is Cassandra Otoo-Robinson, and I’m truly honored to walk alongside you. I am committed to providing you with the highest quality of care, compassion, and respect as we navigate this path together.
Ola Omoniyi became an Illinois Certified Nurse Practitioner in 2021. She received her undergraduate degree at Valparaiso University in Indiana and her master’s degree from the University of St. Francis in Joliet. She completed her clinical rotation in mental health at Will County Behavioral Health in Joliet. Ola worked at Rush University Medical Centre for 5 years in the behavioral health unit as a Registered Nurse and 5years at other behavioral health hospitals in Chicago.


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