Viga Naik, MD

Dr. Sara Mateo holds the position of staff Psychiatrist at Talkiatry. She is a board-eligible adult Psychiatrist. Dr. Mateo completed her Medical degree at the University of Benghazi- Faculty of Medicine and finished General Psychiatry Residency training at Tower Health/DrexelPhoenixville Hospital. Throughout her career, Dr. Mateo has actively contributed to various leadership roles and committees, demonstrating her commitment to advancing medical education and promoting diversity in the field. During her training, she generously shared her knowledge through educational presentations and lectures, fostering the growth of fellow trainees and medical students. Dr. Mateo is dedicated to creating a therapeutic environment characterized by warmth, empathy, and nonjudgmental support. Her approach involves collaborating with patients to develop individualized treatment plans that consider cultural, biological, psychological, and social factors. With a primary focus on medication management, Dr. Mateo's keen interest in psychotherapy is evident, as she often integrates supportive therapy, cognitive behavioral therapy, and psychodynamic psychotherapy during 30-minute follow-up visits to optimize wellness and recovery. Dr. Mateo brings a wealth of experience in caring for individuals of diverse ages and backgrounds, adeptly addressing a wide spectrum of conditions. Her expertise extends to treating depressive disorders, bipolar disorders, anxiety disorders, trauma and stress related disorders, ADHD, OCD, Insomnia, psychotic disorders; she also has experience treating individuals with medical comorbidities.

Dr. Cash attended Wright State University Boonshoft School of Medicine, where she developed a strong foundation in medicine and a passion for psychiatry. She completed her residency at Wright State University, honing her skills in understanding and treating mental health conditions.

Dr. Cash has worked in various outpatient settings, treating patients with mental health disorders including depression, anxiety, PTSD, ADHD, and mood disorders. She is board-certified in general psychiatry and addiction medicine, and believes in a holistic approach to care. Dr. Cash is committed to helping patients navigate their mental health journeys and to providing compassionate, personalized care.

Dr. Cash works closely with patients to develop treatment plans that combine medication, lifestyle changes, and psychotherapeutic strategies to address their unique needs.

Dr. Alexandra Dunn is a board-certified adult psychiatrist who completed her medical training at the University of California Irvine School of Medicine. She then moved to New York to complete her psychiatric residency training at Mount Sinai Beth Israel. During training, Dr. Dunn gained extensive clinical experience in psychiatric inpatient, outpatient, and emergency settings, allowing her the opportunity to treat patients of all ages and backgrounds. In addition, she co-led a mindfulness group at the outpatient clinic, worked with students at Baruch College, and rotated with the Assertive Community Treatment team at MSBI. Ultimately, Dr. Dunn chose outpatient care, focusing on treating patients with mood and anxiety disorders. While her practice primarily emphasizes medication management, she also incorporates supportive and cognitive behavioral therapy techniques in her sessions with patients. If appropriate, Dr. Dunn will refer you for psychotherapy and collaborate with your therapist to support your care. She looks forward to meeting and working with you to help you feel better.

Sherra St. Clair is a board-certified Psychiatric Mental Health Nurse Practitioner with over a decade of experience supporting individuals with a wide range of mental health concerns. Her areas of expertise include attention deficit hyperactivity disorder (ADHD), depressive and anxiety disorders, obsessive-compulsive disorder (OCD), bipolar disorder, and trauma-related conditions.

She completed her advanced nursing degree at the University of Wyoming, where she was recognized for her compassionate and welcoming approach to patient care. Before becoming a nurse practitioner, Sherra was inspired to pursue further education while working as part of an inpatient treatment team that included psychiatrists, psychologists, patients, and their families. Witnessing the profound improvements patients experienced after a crisis motivated her to transition toward outpatient and preventative care.

Prior to her nursing career, Sherra worked as a medical illustrator and animator, having studied at the University of Michigan’s medical school. She enjoyed creating educational materials for patients, physicians, and attorneys.

Sherra is passionate about working with individuals of all genders and socioeconomic backgrounds. She uses a collaborative, strengths-based approach that incorporates evidence-based medication management, psychotherapy, and patient education. She believes each person is the expert in their own life and strives to empower individuals to build on their self-worth, progress, and potential.

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Dr. Cabrera is a board‐certified psychiatrist with several years of experience working with an ethnically and culturally diverse population in outpatient, inpatient, and psychiatric emergency room settings. Most recently, Dr. Cabrera practiced privately treating adults with a wide range of mental illnesses both in person and via telepsychiatry. Prior to this, she was an attending psychiatrist in the outpatient department and in the Comprehensive Psychiatric Evaluation Center at Mount Sinai Beth Israel where she also served as Associate Training Director of Psychiatric Residency Training. Dr. Cabrera has a strong background in psychopharmacology and supportive and psychodynamic psychotherapy.

Angelica Luciano, PMHNP, has been dedicated to health care for over 22 years. Her journey began in 2003 when she enlisted in the Air Force as a medic and later served as a nurse in the Department of Defense. She earned her bachelor’s degree in Nursing from Indiana State University, was commissioned as a Nurse Officer in the U.S. Public Health Service, and went on to complete her master’s at Gonzaga University. Inspired by her work as a psychiatric RN, Angelica pursued her calling in mental health and became board certified as a Psychiatric-Mental Health Nurse Practitioner in 2017.

Angelica provides care through a warm, direct, and nonjudgmental style. She takes a biopsychosocial approach, recognizing the interplay of biological, psychological, and social factors in mental health. By combining psychopharmacology, patient education, and brief supportive therapy, she offers care that is accessible, collaborative, and authentic. Patients can expect to feel heard, respected, and actively involved in their treatment decisions.

Angelica begins with a comprehensive consultation to understand each patient’s history, concerns, and goals. This may take several appointments before finalizing a treatment plan. Plans may include lab work, collaboration with a patient’s broader health care team, and involvement of supportive family members if desired. Her goal is to create individualized care tailored to patient needs while ensuring comfort, advocacy, and trust. She emphasizes that patients are never defined by a diagnosis but valued as whole individuals.