Skip to main content

David Guggenheim, PsyD

National Director of Psychotherapy
Languages
English
SPECIALTIES
Talk Therapy

Education and training

  • Argosy University Doctor of Psychology (PSYD)

Get to know

David Guggenheim, PsyD

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.

Get matched with a clinician like this one

Ready to book your first appointment? Take our 10-minute assessment. We’ll match you with a clinician who meets your needs, has availability, and takes your insurance.

Get started
More Clinicians

Jessica Mars, LCSW

Staff Therapist

Jessica Mars is a Licensed Clinical Social Worker and has worked in clinical practice for over 10 years. Jessica received her undergraduate degree in Social Work at Colorado State University-Pueblo and her master's degree in social work from Newman University. Along with her clinical work, Jessica teaches undergraduate and graduate students of Social Work at the University of Colorado, Colorado Springs, because she values being able to work in her local communities to educate and teach. She identifies as a lifelong learner and incorporates that into her treatment approaches. ‍Jessica has primarily focused her clinical practices working with individuals who have experienced intimate partner violence, sexual assault, trauma from medical or physical health problems, substance use, and other forms of trauma. Her approach is culturally aware, trauma informed, and client centered, and she will work closely with her clients to ensure that the treatment approach and plan is thoughtful and matches what the client may need. ‍Jessica has extended training in EMDR, TF-CBT, CBT, DBT, narrative therapy, motivational interviewing, developmental trauma, suicidality, and trauma informed care. Jessica will encourage you to increase your awareness of thoughts, feelings and behaviors in the present and to increase your personal sense of freedom and well-being. Jessica hopes to work with you to empower you and help you recognize your own strengths, with compassion for both yourself and for others.

Adrian Simmons, LMFT

Staff Therapist

Starting therapy can feel like a big step, and Adrian Simmons, LMFT, congratulates you on taking it. Adrian specializes in supporting individuals navigating life transitions, anxiety, depression, trauma, and self-esteem challenges. She takes a client-centered, collaborative approach, tailoring sessions to your unique needs in a safe and supportive environment.

Adrian prioritizes clear communication, active listening, and a non-judgmental, culturally sensitive approach. She is calm and patient, helping you feel understood while providing guidance. She believes therapy is a partnership, working together to set meaningful goals and adapt them as insights develop.

Adrian uses cognitive-behavioral therapy (CBT) and may integrate mindfulness and other strategies based on your needs. Together, you’ll identify challenges, develop practical coping skills, and work toward your goals. The first session focuses on understanding your background, what brings you to therapy, and creating a plan to support ongoing growth.

Susana Deltoro, LPC

Staff Therapist

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.

Heidi Kilmer, LMFT

Staff Therapist

Heidi is a Licensed Marriage and Family Therapist (LMFT) with 15 years of professional experience teens, adults, and seniors with concerns and challenges related to divorce, family conflict, parenting challenges, dysfunctional relationships, low self-esteem, sexuality, and addiction. Heidi earned her Master's degree in Human Services, Marriage, Couple, and Family Therapy from Capella University.

Heidi uses theories that include Relational, Motivational Interviewing, Solution Focused Brief (SFBT), Humanistic / Rogerian, Psychoanalytic / Psychodynamic, Mindfulness-Based (MBCT), Attachment-Based, Adlerian, Positive Psychology, Person-Centered, Christian Counseling, Family Systems, CBT / Cognitive Behavioral Therapy, Gottman Trained, Internal Family Systems (IFS), Narrative, Emotionally Focused, DBT / Dialectical Behavior Therapy. Our first session will be about getting to know each other and developing a sense of understanding and connection. We will establish rapport and develop a picture of your personal and family history. Heidi strives to represent authentic self, work affectively, giving assignments, providing tools and teach techniques.

Heidi enjoys working with married couples and individuals experiencing pressing issues who are wanting to quickly move towards their goals and are driven towards change. Her approach to therapy is collaborative and flexible; Heidi strives to encourage her clients to improve their relationships and personal experiences by being their authentic selves. She can help you navigate life transitions, heal from traumatic experiences, and improve communication skills. Heidi seeks to provide a warm, trusting, nonjudgmental environment where you'll know that you are deeply listened to, and can safely and freely discuss your challenges, concerns, and vulnerabilities. Heidi is here to offer you her honest and supportive feedback.

LaTreece Ross, LPC

Staff Therapist

LaTreece Ross is a Licensed Professional Counselor in Texas who has been practicing for 4+ years in a variety of settings including mental health clinics, school settings, foster homes & resident treatment care centers (RTC). She also has 3 + years of trauma experience at the Children's Advocacy Center of Collin County (CACCC) for her practicum, internship, and post grad clinical hours.LaTreece is dedicated to helping clients find new ways to cope with everyday life as they reframe their thought patterns. During therapy, she incorporates multiple modalities of treatment into her practice to give each client a unique experience that meets their specific needs. LaTreece offers cognitive behavioral therapy, client-centered therapy, Solution-focused Therapy, and trauma-informed therapy. She specializes in working with clients dealing with depression, anxiety, life transitions, adolescent and peer issues, relationship and family distress, and grief and loss. During the initial sessions, LaTreece will collaborate with the client to create a treatment plan and set goals for therapy.

Jocabel Gueron, LMHC

Staff Therapist

Bel Gueron is a Licensed Mental Health Counselor with over 10 years of experience supporting adolescents and adults in both residential and community settings. She specializes in culturally sensitive and trauma-informed care, helping individuals navigate anxiety, depression, grief, and life transitions. With a strong foundation in evidence-based practices, Bel is dedicated to fostering resilience and meaningful growth in her patients.

Bel believes that thriving begins with feeling heard, validated, and understood. She prioritizes building a safe, supportive space and a collaborative therapeutic relationship where clients feel empowered. Raised in New York City, she brings a warm, down-to-earth approach that is tailored to each individual’s needs. Bel welcomes clients from all walks of life, offering culturally sensitive care while encouraging insight, self-compassion, and personal empowerment.

Bel works collaboratively with patients to understand their concerns, explore their background, and set meaningful, individualized goals. Together, progress and growth are identified and tracked over time. She integrates evidence-based therapies such as CBT, DBT, and mindfulness while centering each client’s unique story. Through a person-centered approach, Bel is committed to compassionate support, empowerment, and advocacy as clients move toward greater well-being.

Ready to get matched?

Start our short assessment
Specialties
Talk Therapy
States
New York
Languages
English
Takes insurance
Virtual visits
years experience