About Dr. Castellanos

I am a board-certified psychiatrist specializing in the treatment of sexual dysfunction and the improvement of sex life for couples or individuals. I am committed to helping others learn about their own sexuality and how to achieve physical and emotional balance in their sex lives. With my passion for positive thinking, exercise and nutrition, I can help guide you to a position of balance and happiness. I am an expert speaker who is available to provide talks, lectures, or interviews. I am also fluent in Spanish can conduct sessions in Spanish if needed.


  • MD – Ponce School of Medicine
  • NY State License – Medicine and Surgery
  • Psychiatric Residency Training – NYU School of Medicine
  • Board Certified – American Board of Psychiatry and Neurology
  • Post-graduate Studies and Certificate – American Academy of Clinical Sexology (Previously Maimonides)

Professional Organizations/Memberships

  • General Member – American Psychiatric Association
  • Member – Alpha Omega Alpha Medical Honor Society
  • Professional Member – American Association of Sexuality Educators, Counselors and Therapists (AASECT)
  • Full Membership – Society for Sex Therapy and Research (SSTAR)
  • Active Physician Member – International Society for the Study of Women’s Sexual Health (ISSWSH)
  • Full Member – International Society for Sexual Medicine (ISSM)
  • Member – Institute for Functional Medicine (IFM)

Past Professional Activities

  • Professional Consultant – CSI NY, CBS Productions
  • Guest Lecturer – Florida Sex Therapy Institute
  • Visiting Lecturer – Intensive Short-Term Dynamic Psychotherapy, Cabrini Medical Center
  • Medical Student Teaching – Albert Einstein College of Medicine, Jacobi Hospital
  • Medical Student Teaching – NYU School of Medicine, Bellevue Hospital
  • Guest Lecturer – SHARE Cancer Support, New York City

Current Appointments

  • Attending Psychiatrist – Long Island Jewish Hospital, Emergency Room
  • Clinical Assistant Professor – Hofstra North Shore-LIJ School of Medicine

Previous Appointments

  • Attending Psychiatrist – Jacobi Hospital
  • Clinical Assistant Professor – Albert Einstein College of Medicine, Jacobi Hospital
  • Director of Mobile Crisis Unit – Bellevue Hospital Center (Division of Emergency Psychiatry)
  • Program Coordinator, ISTDP – Bellevue Hospital Center
  • Attending Psychiatrist – Bellevue Hospital Center
  • Clinical Assistant Professor – NYU School of Medicine, Bellevue Hospital



Learn how to keep your sexual desire burning strong and maximize your sexual pleasure.