Mekayla Davila, LMHC

Dr. David Guggenheim is an experienced clinical psychologist and health care administrator. He has worked with patients at different stages of life, including children, adolescents, and adults, and he has treated patients living with a wide range of mental health conditions, including anxiety, depression, post-traumatic stress disorder (PTSD), substance use, and attention-deficit hyperactivity disorder. Dr. Guggenheim has specific training in Trauma-Focused Cognitive Behavioral Therapy, Motivational Interviewing, and foundational training in dialectical behavioral therapy. Prior to joining Talkiatry, Dr. Guggenheim served as the Chief Behavioral Health Officer at Callen-Lorde Community Health Center in New York City, specializing in LGBTQ+ health care. In that role, he oversaw teams of providers including psychiatrists, psychologists, and social workers, who collectively provided care to thousands of patients in the New York metropolitan area. While at Callen-Lorde, he also served as co-chair for the behavioral health subcommittee of the Community Health Center Association of New York State; worked as an Adjunct Professor at Post University; and performed volunteer clinical work at the Weill Cornell Center for Human Rights. Before joining Callen-Lorde, Dr. Guggenheim worked as Associate Chief Behavioral Health Officer at Community Health Center, Inc., a federally qualified health center in Connecticut. A recognized expert, Dr. Guggenheim has delivered lectures to audiences ranging from medical schools to corporate executives, and he has been quoted in national media including The Advocate, Yahoo Finance, and Teen Vogue. Dr. Guggenheim has also been honored with an Early Career Achievement Award from the American Psychological Association in 2016. Dr. Guggenheim received his Bachelor of Arts from the University of Connecticut in 2002 and his Doctor of Psychology in Clinical Psychology from the American School of Professional Psychology at Argosy University/Washington, DC in 2009.

Tracy King, PMHNP-BC, is a compassionate and board-certified psychiatric nurse practitioner dedicated to supporting individuals on their mental health journeys. She holds a Master of Science in Nursing from The Ohio State University and has experience working with individuals across the lifespan.

Tracy has worked in a variety of clinical settings, addressing a broad range of mental health concerns. She is driven by a strong commitment to serving those in need and takes pride in delivering trauma-informed, evidence-based care tailored to each individual’s unique circumstances.

Her approach centers on creating a supportive environment where patients feel heard, valued, and empowered. Tracy’s goal is to help individuals build resilience, enhance well-being, and achieve meaningful, lasting change.

Believing that each person is the expert in their own life, Tracy takes time to listen, understand, and build genuine connections. She collaborates closely with her patients to develop care plans that reflect a whole-person perspective.

Tracy emphasizes shared decision-making and a holistic approach to mental health care. Her calm, positive demeanor and approachable communication style foster trust and openness, allowing her to build strong therapeutic relationships that support healing and growth.

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Tiffany Reilly is a Licensed Mental Health Counselor with 8 years of experience providing therapeutic services to children, adolescents, and families in Seattle and New York City. She received her Master's in Counseling from Northwest University in 2015. Before coming to Talkiatry, Tiffany worked as a Family Therapist and Supervisor at Children's Aid. This role gave her experience navigating the complexities of adolescence, young adulthood, marriage, and other interpersonal stressors. She was also able to pursue additional trainings in motivational interviewing, trauma systems, and LGBTQIA supportive counseling. Tiffany focuses on treating mood and anxiety disorders, as well as the complexities of grief and loss. She has additional experience working with trauma, conduct disorder, ODD, and personality disorders. She utilizes a variety of therapeutic modalities including Cognitive Behavior Therapy, Psychoanalytic Theory, and Person-Centered Counseling. Tiffany approaches each therapeutic relationship with empathy and compassion, understanding the uniqueness of personal experience. She believes that all behavior maintains something for each individual and that when we bravely uncover our patterns, we can use our inherent strengths to work towards change.

Elizabeth Vah, LCSW, graduated from the University of Texas at Austin in 2008 with a master’s degree in clinical social work. She completed her internship at Seton Medical Center, gaining experience in the emergency room and specialty clinics. Elizabeth has worked in both inpatient and outpatient settings and has training in DBT, CBT, mindfulness, solution-focused, and person-centered counseling.

Elizabeth takes a collaborative approach, partnering with patients to clarify goals and create a roadmap for growth. She has supported individuals from diverse backgrounds facing anxiety, depression, grief, life transitions, interpersonal challenges, and severe mental illness. Her approach blends evidence-based therapies with individualized care, emphasizing a trusting, supportive relationship and a safe, nonjudgmental environment.

In the first session, Elizabeth creates a welcoming space to discuss challenges, goals, and personal history, reviewing confidentiality and treatment structure. Together, she and the patient develop a personalized plan. Ongoing sessions focus on exploring thoughts and feelings, identifying patterns, and practicing skills to support meaningful change, with regular goal review and reflection on progress.

Roel Sepulveda is a board-certified psychiatric mental health nurse practitioner (PMHNP-BC) with a Master of Science in Nursing from the University of Alabama at Birmingham. Certified by the American Nurses Credentialing Center (ANCC), he has over 10 years of experience providing mental health care in psychiatric emergency rooms, outpatient psychiatry, and telehealth settings. Roel is committed to delivering comprehensive and accessible care that supports patients across diverse needs and backgrounds.

As a provider, Roel values creating a compassionate and collaborative environment where patients feel comfortable sharing their experiences. He takes a patient-centered approach, meeting individuals where they are and working together to identify treatment goals. Patients can expect a nonjudgmental space where their concerns are heard, respected, and addressed with empathy and understanding.

When working with patients, Roel begins by taking time to understand their history, symptoms, and current challenges. He develops individualized treatment plans that may include a combination of medication management, lifestyle strategies, and coordination with therapy or other supports. His goal is to provide evidence-based care while empowering patients to actively participate in their mental health journey and achieve lasting well-being.

Susana Deltoro is a Licensed Professional Counselor (LPC) and Licensed Chemical Dependency Counselor (LCDC) with over a decade of experience in mental health and substance use disorders (SUD). She specializes in delivering culturally sensitive, client-centered therapy and is passionate about empowering individuals to overcome challenges and achieve long-term stability. Susana holds a Master of Science in Mental Health Counseling from the University of the Southwest in Hobbs, New Mexico. Over the years, she has worked in diverse settings, including private practice, employee assistance programs, and leadership roles in clinical care. As the Chief Operating Officer for a non-profit agency, she developed innovative programs, supervised multidisciplinary teams, and collaborated with community organizations to support individuals in their recovery journeys with Mental Health and substance use disorders. Susana is dedicated to creating tailored treatment plans that seamlessly integrate into her clients' daily lives. She specializes in cognitive-behavioral therapy (CBT), mindfulness therapy, and solution-focused modalities, adhering to a humanistic, person-centered approach. Her practice emphasizes holistic care, helping clients explore their strengths and establish healthy coping mechanisms. Your well-being is Susana's priority. If you have any questions, she encourages you to reach out. While she may not have all the answers, she is committed to helping you find them. Fluent in English and Spanish, Susana excels at building trust with diverse populations. Outside of her clinical work, she enjoys facilitating workshops on stress management and self-care, reflecting her commitment to fostering resilience and well-being in her clients and the community.