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

Irene M Justin DDS Inc

Organization General Practice Dentistry · NPI 1437576360

Irene M Justin DDS Inc is a General Practice Dentistry in Ontario, California. Licensed in California. Registered with an NPI since 2014.

Licensed in
CA
In the registry since
2014
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2413 S Grove Ave
Ontario, CA 91761-6225
Phone: (909) 947-9700
Fax: (909) 947-7611
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

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 51084 (CA)

Record details

NPI number1437576360
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Irene Justin — President · (909) 947-9700
NPI enumeratedMarch 28, 2014
Last updated in NPPESMarch 28, 2014
Mailing address2413 S Grove Ave, Ontario, CA 91761-6225

Other providers in Ontario