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  • Office

    360 Essex St
    Ste 304
    Hackensack, NJ 07601
    Phone+1 201-646-0110
    Fax+1 201-646-0219

Education & Training

  • New York Presbyterian Hospital (Cornell Campus)
    New York Presbyterian Hospital (Cornell Campus)Fellowship, Nephrology, 1996 - 1999
  • Columbia University Vagelos College of Physicians and Surgeons
    Columbia University Vagelos College of Physicians and SurgeonsClass of 1990

Certifications & Licensure

  • NJ State Medical License
    NJ State Medical License 2000 - 2025
  • NY State Medical License
    NY State Medical License 1996 - 2001
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Nephrology
  • American Board of Obesity Medicine Obesity Medicine

Awards, Honors, & Recognition

  • Top Doctors: New York Metro Area Castle Connolly, 2014
  • Inside Jersey Magazine Top Doctors Castle Connolly, 2013-2014
  • Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2011
  • Join now to see all

Publications & Presentations

PubMed

Press Mentions

  • God ‘Put an Idea into My Head:’ How Dr. Zelenko Came to Hydroxychloroquine
    God ‘Put an Idea into My Head:’ How Dr. Zelenko Came to HydroxychloroquineMay 22nd, 2020

Professional Memberships