David Guggenheim, PsyD

National Director of Psychotherapy
Languages
English
Conditions Treated
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

Michelle Vasquez, LPC

Katrina Myers, LPC

Amanda Favretto, LMHC

America Calderon, LMHC

Michelle Zaydlin, MD

Elisabeth Davis, LPCC

Xiomara Nieves Alvarado, MD

Staff Psychiatrist

Dr. Nieves-Alvarado is a recent psychiatry graduate from Duke Psychiatry Residency program. She is board eligible and has experience with psychodynamic and supportive therapy. Dr. Nieves-Alvarado is originally from Puerto Rico and practices psychiatry in both English and Spanish.

Dr. Nieves-Alvarado practice focuses on medication management with adjunct insight oriented therapy on all of her visits. She works on a team-based approach and advocates for most of her patients to engage in some type of therapy for better outcomes and sustained symptom improvement. She received her medical degree from the Universidad Central del Caribe School of Medicine in Bayamon, PR, before moving to North Carolina to complete her residency at Duke University Hospital. During training, she was nominated for a fellowship in psychodynamic practice by the Psychoanalytic Center of the Carolinas. She was also an advocate against childhood sexual trauma. Her training was well rounded including experience at the jail and forensics psychiatry. She also worked with patients on substance use disorders treatment centers and holds experience with medically assisted treatment.

Dr. Nieves-Alvarado treats a wide age range from young adults to elderly. After completing training, she joined Talkiatry to improve mental health access to patients who are time constricted or have transportation issues. She continues to seek for constant improvement and working hand on hand with her patients to achieve mental wellness.

Racquel Ellis, LMHC

Staff Therapist

Racquel Ellis is a licensed mental health counselor in the state of New York with extensive experience working with the BIPOC community. She provides inclusive mental wellness services to individuals and families. Racquel has been providing mental health services to individuals and families for over a decade and has been a licensed mental health counselor for the past four years. She specializes in working with the BIPOC community and women, offering therapeutic support for mood disorders, trauma, life transitions, and other chronic challenges impacting overall well-being.

Aileen Kim, MD

Staff Psychiatrist

Dr. Aileen Kim approaches medication management with an emphasis on shared decision-making within safe, effective options, thorough counseling about what to expect in treatment, and giving attention to the concurrent use of non-medication modalities of treatment alongside optimizing medication. She is accustomed to working with people who have more than one diagnosis. She is skilled and experienced in de-prescribing (methodically streamlining the number of medications being taken) when needed. Patients can see Dr. Kim for medication management, therapy, or both. Dr. Kim is board certified in Adult Psychiatry. She graduated from the University of Illinois College of Medicine in Chicago in 2004. She was selected for the Health Professions Scholarship Program and completed her residency in 2008 at Naval Medical Center Portsmouth in Virginia, where she was chief resident. Following residency, she deployed to Kuwait as a medical officer. She has taught and supervised residents at Walter Reed National Military Medical Center. She left active duty in the Navy as a Lieutenant Commander. After becoming a civilian, she went into solo practice, then joined Potomac Behavioral Solutions in 2014, where she served as medical director. Dr. Kim is a past president of the Virginia Psychoanalytic Society. She also lectures advanced mental health professionals for Lingyu International Psychology Centre based in Toronto. For established patients of Dr. Aileen Kim, please call 833-351-8255 to schedule an appointment and let the patient care coordinator know you are an established patient from her prior practice.

Tammara Davis, MD

Staff Psychiatrist

Dr. Tammara Davis is a board-certified adult psychiatrist with over 15 years of experience treating patients across inpatient, outpatient, emergency, and telepsychiatry settings. She earned her medical degree from the University of Tennessee Health Science Center, completed her psychiatry residency at St. Elizabeths Hospital in Washington, DC, and holds a B.S. from Xavier University of Louisiana.

Dr. Davis previously served as a Primary Care–Mental Health Integration psychiatrist at the Veterans Health Administration, where she helped expand access to care in community-based clinics. She is an active member of the Black Psychiatrists of America, where she advances advocacy and equity in mental health care. While she has treated a wide variety of patients from all walks of life, her clinical focus has been on improving access to quality mental healthcare for historically marginalized communities.

Dr. Davis specializes in mood and anxiety disorders, including depression, PTSD, and perinatal mental health. Her approach is holistic, integrative, and patient-centered—grounded in cultural humility and collaborative care. She does not prescribe benzodiazepines, focusing instead on evidence-based strategies that support long-term wellness. While treating a wide variety of patients, Dr. Davis’ clinical focus has been on adults from marginalized and/or minoritized communities.

Dr. Davis begins care with a consultation to ensure a strong fit and shared treatment goals. Dr. Davis is committed to creating a safe, trusting space where patients feel empowered and in control of their healing. She recognizes that not all patients require medication and integrates culturally affirming support when therapy and education are more appropriate.

Gusta Shurdut, MD

Staff Psychiatrist

Dr.Gusta Shurdut is a board-certified adult psychiatrist with 8 year experience. She completed her medical training at SUNY Downstate Medical center in Brooklyn, and psychiatric residency at Mount Sinai Beth Israel, NYC. After her residency, she worked as an assistant professor at Mount Sinai Psychiatric Ambulatory Services. Dr.Shurdut graduated magna cum laude from Columbia University with an undergraduate degree in biology. Prior to moving to New York, she obtained a degree in communications and public relations and worked as a journalist at her hometown in Latvia.

Dr.Shurdut believes in individual, empathetic, and collaborative treatment approach. Through her residency and work experiences, Dr.Shurdut has developed expertise to treat various mental health conditions including mood disorders, anxiety, OCD, ADHD, PTSD. While her primary focus is medication management, she also incorporates CBT, psychodynamic and supportive psychotherapy.

Dr.Shurdut’s goal is empowering patients to participate in their healthcare choices. As a psychiatrist, she feels honored to witness the complexity of the human experience, and curious to explore the factors that contribute to it.  On intake appointment, she will take time to understand your concern, provide assessment, discuss treatment options and collaboratively decide on most appropriate action. The follow up appointments are usually 30 minutes and include a psychotherapy modality.

Julia Wellin, MD

Staff Psychiatrist

Dr. Wellin is a double board certified psychiatrist specializing in child and adolescent psychiatry and adult psychiatry. She has been in private practice and worked in community clinics for over 44 years. Dr. Wellin's practice focuses on medication management in conjunction with supportive psychotherapy in 30-minute follow-up visits. She encourages a team approach involving psychotherapists, medical doctors, and parents and family when appropriate, to provide holistic care for optimal outcomes. Dr. Wellin received her medical degree from the Albert Einstein College of Medicine, in Bronx, NY. She did her residency in adult psychiatry at the Jacobi Hospital Department of Psychiatry in Bronx, NY. Her fellowship in child and adolescent psychiatry at Columbia University St Luke's-Roosevelt Hospital NYC followed. For the last 5 years, she has been an assistant clinical professor at the Adolescent Health Center at Mt Sinai Hospital NY. During this period she was also a consulting psychiatrist at the McShane Center for Psychological Services at Pace University. Dr. Wellin trained at the Psychoanalytic Institute at NYU. She was certified in hypnosis by NYSEPH in NYC and she has also received training in EMDR. Dr. Wellin worked at a NYC rehab for substance abusers and was the medical director of a private program for children of substance abusers and their families. Her primary current focus is on adolescents and college-aged patients.

Ready to get matched?

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