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

Dr. Alfred Joseph Cossari Jr., MD

Individual provider Pediatric Ophthalmology and Strabismus Specialist Physician · NPI 1972607000

Dr. Alfred Joseph Cossari Jr., MD is a Pediatric Ophthalmology and Strabismus Specialist Physician in Port Jefferson, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
Specialties on file
2
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

311 Barnum Ave
Port Jefferson, NY 11777
Phone: (631) 928-6400
Fax: (631) 928-2353
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 119075 (NY)
Pediatric Ophthalmology and Strabismus Specialist Physician Taxonomy 207WX0110X · Licence 119075-1 (NY)

Record details

NPI number1972607000
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 11, 2006
Last updated in NPPESApril 22, 2020
Certification dateApril 22, 2020