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Deepak Kaji, MD, PhD
Psychiatry
About Me
Deepak Kaji, MD/PhD is an Assistant Professor of Psychiatry at the Icahn School of Medicine at Mount Sinai and a licensed psychiatrist in New York State. He provides care for a broad range of psychiatric conditions in adults, including depression, anxiety disorders, obsessive-compulsive disorder (OCD), bipolar disorder, psychotic disorders, and related conditions. Dr. Kaji takes an individualized, evidence-based approach to treatment, working with each patient to develop a treatment plan that reflects their symptoms, goals, and preferences. He is currently accepting new patients.
Dr. Kaji’s research uses human induced pluripotent stem cell derived organoid and assembloid technolog to study the cellular and molecular mechanisms underlying neurodevelopment and neuropsychiatric disorders. His work integrates stem cell biology, bioengineering techniques, and single-cell and spatial genomics to identify disease-associated changes in the diverse cells that exist in the developing brain. Dr. Kaji has received research support from the Brain & Behavior Research Foundation, the Friedman Brain Institute, the Mount Sinai Alzheimer’s Disease Research Center, the New York Academy of Sciences, and the Blau Center for Psychiatric Research. His work has been published in journals including Nature Medicine, Nature Communications, Cell, Schizophrenia Research, and eLife. He is also actively involved in mentoring medical students, residents, and research trainees.
Dr. Kaji completed his PhD in Biomedical Sciences and his MD at the Icahn School of Medicine at Mount Sinai, where he received Distinction in Research. He completed his psychiatry residency at Mount Sinai through the Research Track and served as Chief Resident for Research during his final year. He joined the faculty of the Department of Psychiatry in 2026.
Language
English
Position
ASSISTANT PROFESSOR | Psychiatry
Hospital Affiliations
- Mount Sinai Beth Israel
- Mount Sinai Morningside
- Mount Sinai Brooklyn
- Mount Sinai Queens
- The Mount Sinai Hospital
- Mount Sinai West
Research Topics
Developmental Biology, Induced pluripotent stem cells, Psychiatry, Regeneration, Stem Cells
Education
MD, Icahn School of Medicine at Mount Sinai
B.A., Cornell University
MD, Icahn School of Medicine at Mount Sinai
PhD, Icahn School of Medicine at Mount Sinai
Residency, Psychiatry
Icahn School of Medicine at Mount Sinai
Insurance Information
Accepted insurance may vary by the doctor’s office location. Please contact the office directly to obtain the most up-to-date insurance information.
- 32BJ Health Fund
- AETNA - Commercial
- United Health Care - UMR Top Tier
Physicians who provide services at hospitals and facilities in the Mount Sinai Health System might not participate in the same health plans as those Mount Sinai hospitals and facilities (even if the physicians are employed or contracted by those hospitals or facilities).
Information regarding insurance participation and billing by this physician may be found on this page, and can also be obtained by contacting this provider directly. Because physicians insurance participation can change, the insurance information on this page may not always be up-to-date. Please contact this physician directly to obtain the most up-to-date insurance information.
Insurance and health plan networks that the various Mount Sinai Health System hospitals and facilities participate in can be found on the Mount Sinai Health System website.
Industry Relationships
Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device, biotechnology companies, and other outside entities to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their outside financial relationships.
Dr. Kaji has not yet completed reporting of industry relationships or has no industry relationships to report.
Mount Sinai’s faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.