Bipolar disorder therapists & psychiatrists in Lakeland, FL

A Florida and Polk County native, Mirtha is a graduate of Frostproof High School. She is board certified as both a Psychiatric Mental Health Nurse Practitioner and an Autonomous Primary Care Nurse Practitioner. She earned a Bachelor's of Nursing from Polk State and a Master's of Nursing from USF. In 2023 Mirtha earned a Post Master's Certification in Psychiatry from Florida Atlantic University. However, her journey as a mental health provider began in 2020 when she became certified through the Academy of Christian Counseling, as a mental health coach. Then in January of 2025 she became an active member of the Order of Saint Luke (OSL) a healing ministry.

Mirtha has nearly 20 years of experience in healthcare. Her passion is caring for individuals struggling with mental health issues. She has been volunteering with the youth in her community for over 7 years and also has experience working in a domestic violence shelter with victims of trauma.

Margaret Deuerlein, LMHC, is an experienced and skilled Licensed Psychotherapist. She specializes in Trauma, Anxiety and Panic Disorders, Social Anxiety, Stress, Depression, Mood Dysregulation, Low Self-esteem, Grief, Narcissistic, Borderline, Avoidant Personality, Co-dependency, Interpersonal Relationships, Communication, and Couple’s Therapy. She is EMDR-Certified and trained in Shema Therapy, CBT, DBT, Mindfulness, EFT, and the Gottman Method, among others. Healing, coping, achieving your life goals, and taking more control of your life are her focus. She offers in-person and virtual sessions. Bilingual services are available.

I am Dr. De Jesus Rivera, medical director at Self Improvement Psychiatry. We specialize in top notch, personalized, psychiatric services through telemedicine. I do a in depth evaluation without you feeling rushed. Together, we come up with a treatment plan that you feel comfortable with. We also have a HIPAA compliant texting system for easy communication and timely responses should any problems arise in between appointments.

As a Licensed Clinical Social Worker, I have spent the last eight years working with “at-risk” children and adolescents, referred by the Department of Juvenile Justice (DJJ) Diversion programs. I currently work with the Genesis Women’s Clinic assisting antepartum and postpartum moms suffering from Perinatal Mood and Anxiety Disorder, the Family Care Clinic providing Behavioral Therapy to families and adults, and the Pediatric Clinic at TGH Healthpark.

I received a Bachelor of Arts in Business Administration from Fort Lewis College, a Bachelor of Arts in Interdisciplinary Social Science from the University of South Florida, and a Master’s in Social Work (MSW) from USF. My therapeutic approach is influenced by my clinical training in Cognitive Behavioral Therapy, Dialectical Behavioral Therapy, and Motivational Interviewing.

I am a Licensed Clinical Social Worker with over 25 years of experience helping clients navigate mental and emotional challenges. I earned both my bachelor’s and master’s degrees in social work from Florida State University. My passion is to provide a safe, non-judgmental space where clients can gain insight into their lives and work toward personal growth and healing.

I am a Masters-Level Clinician providing individual and couples counseling both in-person and via telehealth. I earned my bachelor’s degree in psychology from Eckerd College and my master’s degree in Mental Health Counseling from Capella University. I am a member of the Chi Sigma Iota Counseling Academic and Professional Honors Society, the American Counseling Association, and the American Mental Health Counselors Association.

My experience allows me to work with individuals seeking to improve their mental health. I am passionate about helping teens, young adults, and college students dealing with anxiety, depression, life transitions, self-esteem issues, and trauma.