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

Mr. Justin Robert Defonso, MS

Individual provider Counselor · NPI 1366742330

Mr. Justin Robert Defonso, MS is a Counselor in McKeesport, Pennsylvania. Practices as a sole proprietor. Registered with an NPI since 2010.

In the registry since
2010
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

421 Pasadena Dr
McKeesport, PA 15133-3615
Phone: (412) 480-8683
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X

Record details

NPI number1366742330
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorYes
NPI enumeratedOctober 25, 2010
Last updated in NPPESOctober 25, 2010

Other providers in McKeesport