Erin Ellis, LMHC

Dr. Maria is a Board-Certified Adult Psychiatrist with specialized training in Child and Adolescent Psychiatry. She earned her medical degree from Andes University in Colombia, completed her Psychiatry Residency at The Wright Center in Scranton, Pennsylvania, and pursued further training through a Child and Adolescent Psychiatry fellowship at Louisiana State University in New Orleans.

Dr. Maria is deeply committed to providing kind, thoughtful, and inclusive care. She creates a warm, welcoming space where patients of all ages feel safe, listened to, and truly seen. Her approach blends evidence-based practices with compassion and patient collaboration. She works closely with each patient to understand their unique story and help them move toward meaningful, personal goals.

She takes time to build strong, trusting relationships and conducts thorough evaluations to understand each person’s experiences and needs. Her treatment often includes psycho-education, supportive therapy, and medication management—always shaped by what matters most to the patient.

Dr. Maria has experience treating a wide range of mental health conditions, including ADHD, PTSD, Depression, Anxiety, OCD, and Bipolar Disorder. She is especially passionate about supporting minority and marginalized communities, and she strives to ensure everyone feels valued and cared for.

Dr. Maria practices with a patient centered approach, focusing on each patients unique needs. She practices evidence based medicine with empathy, warmth and in a supportive, nonjudgmental environment.

It is important to Dr. Maria to build trust with patients, so they feel comfortable during their visits. She provides a thorough evaluation to understand symptoms, challenges and personal goals. Dr. Maria conducts visits that incorporate both medication management and psycho-education through supportive therapy. She works with her patients to set clear goals that align with their preferences.

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Rebecca Siwanowicz is a Licensed Clinical Social Worker who began her career in 2013, maintaining various positions in both inpatient and outpatient settings while treating substance use and mental health disorders. Rebecca graduated with her BSW from Florida Atlantic University in 2013 and graduated with her MSW in 2016. Rebecca is trained in Accelerated Resolution Therapy and is a Master's Level Certified Addiction Professional in the state of Florida.‍Rebecca's areas of expertise are trauma, anxiety and depressive disorders, issues related to codependency and low self-esteem, life transitions, self-care and emotion regulation. Rebecca takes an individualistic approach when treating clients, greatly valuing and promoting individuality and autonomy. Rebecca practices through the lens of Family Systems Theory and Attachment Theory, utilizing components of Existentialism, Strength Based Therapy, Dialectical Behavior Therapy, 12 Step Principles, and Client Centered Therapy. Rebecca takes a psychosocial approach toward treatment, providing her clients with unconditional positive regard, psychoeducation, and practical coping skills to support them in building a life of their choosing.

Dr. Tamoria is a California native whose career has taken him around the country. As a medical student at Temple School of Medicine in Philadelphia, PA he worked in a culturally diverse, urban community. He was Chief Resident at the “President’s Hospital” in Washington DC and spent the first part of his career serving as an active-duty Navy psychiatrist helping servicemembers and veterans. After the Navy, he returned west to WA whereas a Medical Director he led one of the state’s most successful behavioral health programs through COVID and into the telehealth revolution. Now he serves as Talkiatry’s first West Coast Chief leading and supporting psychiatrists across the western US.

Dr. Tamoria works with adults to diagnose and treat a wide variety of mental health conditions including Depression, Anxiety, ADHD, Bipolar Disorder, PTSD, and more. He uses a combination of medication management and psychotherapy treatment to help patients improve and thrive. He is well experienced in caring for patients with complex histories or co-morbid medical conditions.

In the first appointment with Dr. Tamoria he completes a comprehensive evaluation of mental health symptoms, medical history, social supports, and stressors. He works collaboratively with patients to develop a treatment plan that may include lab tests, managing medications, initiating psychotherapy, or referring to other specialists. Over time he builds on the patient’s strengths and resilience to lead to recovery.

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Dr. Michael Bartolac is a board-certified psychiatrist with experience in both outpatient and inpatient psychiatric care. He has treated a wide range of psychiatric conditions including affective, psychotic, anxiety, trauma-related, substance use, neurodevelopmental, personality, and neurocognitive disorders. His clinical experience includes hybrid remote outpatient work, inpatient psychiatry on locked units, consultation for medically hospitalized patients, and performing electroconvulsive therapy (ECT). He earned his medical degree from Lake Erie College of Osteopathic Medicine and completed psychiatry residency at West Virginia University/Charleston Area Medical Center.

Dr. Bartolac values creating a space where patients feel comfortable voicing their concerns. His treatment style is rooted in open communication and trust. He primarily focuses on medication management and supportive therapy, while incorporating psychodynamic and cognitive behavioral techniques during 30-minute follow-up visits.

Dr. Bartolac is committed to providing competent and compassionate care. He takes a collaborative approach, working closely with patients and their healthcare team to ensure all aspects of care are aligned with the patient’s needs and goals.

Diana Veliz, LCSW, obtained her MSW from Fordham University. Diana has over 3 years of experience providing client-centered therapy. Her practice is sensitive to race and culture, and trauma-informed. Diana has experience working with adults, and adolescents experiencing anxiety, depression, and other mental health disorders. She has worked in outpatient/inpatient clinics and in an educational setting supporting children with social emotional learning. Diana believes that the best approach is to work collaboratively with the client while also considering that each person's experience is individual to them. The client is an expert in their lives, and as a clinician, she is there to meet the client where they are at and begin the healing journey through non-judgment and compassion. Diana uses cognitive behavioral therapy, solution focused approach, and psycho-education. She also considers the client's place in society and how culture and race can contribute to challenges. Diana takes passion in working with clients to improve self-esteem, recognize schemas, regulate emotions, and develop self-awareness.

Kayla is a dedicated therapist with a robust educational background and extensive experience in the field of psychology. She earned a Bachelor of Arts in Psychology from Florida International University and completed a Master of Science at Nova Southeastern University. During her internship at Aventura Hospital and Medical Center, Kayla worked within inpatient psychiatric units, gaining valuable experience in crisis management and acute psychiatric care. Kayla has a particular interest in helping clients navigate anxiety, depression, and relationship issues. She brings empathy, understanding, and a client-centered approach to her practice, ensuring that each individual feels heard and supported on their journey to mental wellness. Outside of their professional life, Kayla enjoys spending quality time with family and her two dogs. Whether hiking or relaxing by the beach, she cherishes these moments of connection and tranquility.