HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CT

KAREN G BONNANZIO, OD

OPTOMETRY

Medical school: NEW ENGLAND COLLEGE OF OPTOMETRY

Graduated: 1993

NPI: 1508955873

Practice Locations (3)

OEC DERBY LLC

600 NEW HAVEN AVE

DERBY, CT 064182529

2037324916

ORONOQUE EYE CARE INC.

7365 MAIN ST

STRATFORD, CT 066141300

2033773937

OEC WATERBURY LLC

3528 E MAIN ST, ORONOQUE EYE CARE

WATERBURY, CT 067053873

2035274083

Source: CMS National Downloadable File, September 2026.

KAREN BONNANZIO, OD | HealthCareAtlasUSA