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

John Lawrence Duffy, OD

Individual provider Optometrist · NPI 1184769713

John Lawrence Duffy, OD is an Optometrist in Rosemont, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2007
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

See every abbreviation used in this directory →

Practice location Address checks out

1211 W Lancaster Ave
Rosemont, PA 19010
Phone: (610) 525-2580
Fax: (610) 525-2705
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OEG001604 (PA)

Record details

NPI number1184769713
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedFebruary 21, 2007
Last updated in NPPESSeptember 11, 2007
Mailing address1211 W. Lancaster Ave., Rosemont, PA 19010

Other providers in Rosemont