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952 Fifth Ave., Suite 1A , New York, NY 10075


Ronald R. Fieve, M.D, PC

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Elizabeth Ducat, NP

Pik-Sai Yung, MDElizabeth Ducat completed her Baccalaureate and Master’s degrees in Nursing from Columbia University, and later completed a post-master’s certification as a psychiatric nurse practitioner from Hunter College. She has over 28 years of experience in the medical field and has expertise in treating persons with chemical dependency and co-occurring depression and anxiety. Ms. Ducat is well-versed in both medication-assisted and behavioral treatment approaches. She possesses an empathic, non-judgmental interpersonal style.

Education and Medical Training

  • Baccalaureate in Nursing
    Columbia University
  • Master in Nursing
    Columbia University
  • Post-master Psychiatric Nurse Practitioner Certification
    Hunter college


  • Psychiatric Nurse Practitioner, Hunter College

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Dr. Fieve’s Books

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We will work to maximize your medical insurance benefits. We work with Aetna, Cigna, United Healthcare, Oxford, Medicare, Optum, United Behavior Health and Value Options.