Call: 860-258-3470

John S. Wisniewski, MDContact Info

Internal Medicine

Medical School

State University of New York (SUNY) - Syracuse, Syracuse, NY


North Shore University Hospital, Manhasset, NY


North Shore University Hospital, Manhasset, NY

Board Certification

Board Certified in Internal Medicine

  • Biography

    Dr. Wisniewski is originally from Staten Island, New York. After practicing internal medicine for 10 years on Long Island, he relocated to Connecticut in 2008.  In his spare time he enjoys spending time with his wife and three children, reading, running, yoga, and meditation. He also is an avid home brewer and wine maker.

  • Affiliations

    Hartford Hospital, Hartford, CT
    Internal Medicine within Department of Nephrology

  • Patient Reviews