Ivan Chavarria-Siles, MD

Staff Psychiatrist

“Radical acceptance rests on letting go of the illusion of control and a willingness to notice and accept things as they are right now, without judging.” - Marsha M. Linehan

Medication Management
Years of Experience
New York, NY

• Universidad de Costa Rica Facultad de Medicina, MD

• Universidad Francisco de Vitoria Facultad de Ciencias Biosanitarias, Master's in Biochemistry and Biotechnology

• University of Texas Health Science Center at San Antonio, Fellowship

• Icahn School of Medicine at Mount Sinai, Residency in Psychiatry

• Vrije Universiteit Amsterdam, PhD in Neurosciences


Dr. Chavarria-Siles is Board Certified in Adult Psychiatry. He completed his psychiatry residency training at the Icahn School of Medicine at The Mount Sinai Hospital in New York. While completing his training as psychiatrist, he also completed a PhD in Neurosciences at the VU University Amsterdam, in The Netherlands. He received his Medical Degree from the University of Costa Rica, and prior to starting his residency training he completed a research fellowship in Psychiatric Genetics at the University of Texas Health Science Center at San Antonio.

After completing his residency training, Dr. Chavarria-Siles moved to Massachusetts where he worked as staff psychiatrist for Baystate Health. He moved back to New York in 2019 to start a position as the Medical Director of the Partial Hospitalization Program at The Mount Sinai Hospital. Prior to joining Talkiatry, he worked as Inpatient Unit Chief at Northwell South Oaks Hospital.

Dr. Chavarria-Siles has experience treating adult patients suffering of anxiety, depression, PTSD, ADHD, OCD, and bipolar disorder. He has experience providing psychiatric care in Spanish to the Hispanic population using a cultural competence approach. He also has experience providing psychiatric care to patients living with chronic medical conditions, and patients in the LGBTQ+ community.

Dr. Chavarria-Siles’ practice focuses on psychopharmacology along with cognitive-behavioral therapy, supportive therapy, and motivational therapy. He has worked in different settings with multidisciplinary teams, and understands the importance of working in collaboration with his patients’ therapists.

Dr. Chavarria-Siles has held academic appointments at the University of Massachusetts Medical School at Baystate, the Icahn School of Medicine at Mount Sinai, and the Zucker School of Medicine at Hofstra/Northwell.

Back to List