In observance of Independence Day, Friday, July 4, 2025, our offices will be closed.
John S. Wisniewski, MDContact Info
State University of New York (SUNY) - Syracuse, Syracuse, NY
ResidencyNorth Shore University Hospital, Manhasset, NY
InternshipNorth Shore University Hospital, Manhasset, NY
AffiliationsHartford Hospital, Hartford, CT
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
Patient Reviews
Farmington – 11 South Road
11 South Road, Farmington, CT, United States
Wethersfield – 1210 Silas Deane Highway
1210 Silas Deane Highway, Wethersfield, CT 06109, USA
Farmington – 11 South Road
11 South Road, Farmington, CT, United States
860-224-6209Wethersfield – 1210 Silas Deane Highway
1210 Silas Deane Highway, Wethersfield, CT 06109, USA
109 | 860-224-6209
11 South Road, Farmington, CT, United States
860-224-6209Wethersfield – 1210 Silas Deane Highway
1210 Silas Deane Highway, Wethersfield, CT 06109, USA
109 | 860-224-6209