Keesha Barthelemy, LMHC

Background and credentials

Dr. Jonathan Myrtil is a board-certified adult psychiatrist. He earned his medical degree from Ross University School of Medicine and completed his residency in Adult Psychiatry at the University of Central Florida, affiliated with North Florida Regional Medical Center. After completing his training, he remained at North Florida Regional as an adult psychiatrist and supervising physician, gaining experience treating patients in inpatient, outpatient, partial hospitalization, and intensive outpatient program (IOP) settings.

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Treatment approach

Dr. Myrtil takes a collaborative approach to psychiatric care, integrating medication management with supportive therapy to provide well-rounded treatment. His primary focus is on treating adults with mood and anxiety disorders, PTSD, and ADHD. He prioritizes patient involvement in treatment decisions, ensuring that care plans align with individual needs and goals.

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What you can expect in a first visit

Patients meeting Dr. Myrtil for the first time can expect a thorough evaluation where he assesses their symptoms, treatment history, and personal goals. He fosters a supportive and collaborative environment, working closely with patients to create a personalized treatment plan that incorporates medication management and therapeutic interventions tailored to their specific needs.

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Why Talkiatry?

We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

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Dawn Schulze, LPC, has extensive experience practicing in both outpatient and residential treatment settings. She completed her Doctorate in Psychology at the University of St. Thomas in St. Paul, Minnesota, and has specialized training in grief and trauma counseling. Her clinical background allows her to support individuals facing complex emotional challenges with depth, insight, and professionalism.

Dawn offers a compassionate, client-centered approach that honors each person’s unique journey. She is passionate about supporting individuals through significant life changes, addressing interpersonal challenges, and helping clients develop deeper self-understanding and resilience. Patients can expect a respectful, collaborative environment where they feel heard, supported, and empowered.

Dawn begins by learning each patient’s best hopes for therapy while gaining an understanding of their personal history and current concerns. She works collaboratively with patients to develop an individualized treatment plan that aligns with their goals, values, and vision for growth, adjusting the approach as needed over time.

Dr. Kevin DiCesare is a board-certified psychiatrist, treating adults. He received his undergraduate degree at Harvard University, his medical degree at the University of Massachusetts Medical School, and then went on to train at Maine Medical Center for his psychiatric residency. He has 22 years of expertise in diagnosing and treating psychiatric conditions, including depression, anxiety, Bipolar spectrum disorders, adjustment problems, ADHD and other disorders. He is well versed in psychopharmacological interventions, but is a proponent of patients also being active in psychotherapy whenever appropriate. He prides himself in collaboratively arriving at treatment decisions with his patients, and taking the time to listen to their concerns and answer their questions.

Dr. DiCesare has worked in various settings, including community mental health centers and large hospital systems, with experience in inpatient, outpatient, and consultative roles. Prior to joining Talkiatry, he most recently served as an attending psychiatrist on the staff of Southern New Hampshire Health System, where he provided consultative care to referrals made from primary care providers and various specialists.

Barbara (Barb) Pack is a Licensed Professional Clinical Counselor with the Supervision Endorsement and a Licensed Independent Chemical Dependency Counselor, Clinical Supervisor Endorsement who has been providing mental health treatment for over 24 years and addiction treatment for over 27 years. Barb utilizes a combination of approaches in working with her clients, including person-centered, cognitive behavioral therapy, motivational interviewing, solution focused techniques, and a variety of other techniques. She has experience in several different types of treatment settings and treatment modalities in both Ohio and Florida. Barb enjoys working with individuals who also have co-occurring disorders, both mental health and substance use. Barb has experience working with a wide range of age groups and mental health issues including but not limited to depression, anxiety, trauma, stress management, grief, relationship issues, and a wide range of substance use issues. She will assess individuals' needs in their first few visits and work with them to develop an individualized treatment plan. Barb works to provide the empathetic listening and emotional support that her clients need to reach their goals. Her dream has been to work herself out of a job, as she wants to help her clients find healing and happiness. Barb attended the University of Akron for graduate school in a Community Counseling Program and attended Malone College, now University, and majored in Psychology.

Dr. Iris Guerrero Urena is double board-certified in psychiatry and consultation-liaison psychiatry. She received her medical degree from Universidad Iberoamericana in the Dominican Republic and went on to complete psychiatric residency at Lincoln Hospital in New York City. Dr. Guerrero then completed a consultation liaison fellowship at Morningside and West Mount Sinai Hospital in New York, further acquiring proficiency in caring for patients with complex medical and psychiatric comorbidities. After completing training, Dr. Guerrero worked in an acute inpatient unit and as a psychiatric consultant for patients admitted to medical units in Oregon. Dr. Guerrero Urena focuses on medication management while also implementing elements of supportive, dialectical behavioral, and cognitive behavioral therapy within each session to fully address individual needs. At times, Dr. Guerrero Urena may recommend a therapist for additional therapy. Dr. Guerrero Urena is experienced in treating a wide range of psychiatric conditions including depression, bipolar disorder, anxiety, PTSD, OCD.

Michelle is a Licensed Clinical Social Worker/Licensed Independent Social Worker with over 10 years of experience in the mental health field. Michelle has worked in a variety of settings including community mental health, crisis management, outpatient treatment, inpatient treatment, and the private practice setting. Michelle has experience working with patients who are experiencing anxiety, depression, grief, and trauma symptoms. Michelle’s passion is working with women who are struggling with managing healthy coping mechanisms in the perinatal/postpartum period.

Michelle has received extensive training from the Postpartum Support International focusing on treating patients struggling with infertility, postpartum anxiety and depression, and pregnancy loss/grief. She utilizes a variety of treatment modalities ranging from Cognitive Behavioral Therapy, Dialectical Behavioral Therapy, Cognitive Processing Therapy, and Mindfulness Based Therapy.

Michelle’s approach to therapy is compassionate, collaborative, and warm. She considers it an honor to walk alongside you during this difficult journey. Let’s talk to see how Michelle can best support you.