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

Dr. John Brian Hornby, MD

Individual provider Ophthalmology Physician · NPI 1881601581

Dr. John Brian Hornby, MD is an Ophthalmology Physician in Old Saybrook, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

48 Main St
Old Saybrook, CT 06475
Phone: (860) 388-1251
Fax: (860) 388-1253
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence CT026165 (CT)

Record details

NPI number1881601581
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 2, 2006
Last updated in NPPESNovember 27, 2012