Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Karen Grante Bonnanzio, OD

Individual provider Optometrist · NPI 1508955873

Karen Grante Bonnanzio, OD is an Optometry in Stratford, Connecticut. Graduated from New England College of Optometry in 1993, 33 years ago. Practices with Oec Waterbury LLC, a 3-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
33
Trained at
New England College of Optometry
Licensed in
CT
In the registry since
2006
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

7365 Main St
Stratford, CT 06614-1300
Phone: (203) 377-3937
Fax: (888) 741-0620
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 002346 (CT)

Record details

NPI number1508955873
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedOctober 12, 2006
Last updated in NPPESOctober 13, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolNEW ENGLAND COLLEGE OF OPTOMETRY
Graduated 1993 (33 years in practice)
Group practice Oec Waterbury Llc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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