Justin Larkin
Justin Larkin is an Addiction (Substance Use Disorder) Counselor in Ontario, California. Licensed in California. Registered with an NPI since 2026.
- Licensed in
- CA
- In the registry since
- 2026
Practice location Address checks out
3286 E Guasti Rd Ste 100Ontario, CA 91761-8646
Phone: (909) 476-2023
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
| Addiction (Substance Use Disorder) Counselor (primary) | Taxonomy 101YA0400X (CA) |
|---|
Record details
| NPI number | 1326974239 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Sole proprietor | No |
| NPI enumerated | June 18, 2026 |
| Last updated in NPPES | June 18, 2026 |
| Certification date | June 18, 2026 |
Other providers in Ontario
-
Diane G. H. Jochimsen
125 W F St, Ontario, CA 91762-3262 · (909) 986-4550
-
Mr. Arif Khwaja
125 W F St, Ontario, CA 91762-3262 · (909) 986-4506
-
Kent Klawer
125 W F St, Ontario, CA 91762-3201 · (909) 986-4550
-
Lee Koplin
125 W F St, Ontario, CA 91762-3201 · (610) 217-1784
-
Alexis Lomeli
125 W F St Ste 101, Ontario, CA 91762-3201 · (909) 986-4450
-
Vanessa Lopez
3286 E Guasti Rd # 100&110, Ontario, CA 91761-8645 · (909) 241-8594
-
Crystal D. Lucero
125 W F St Ste 101, Ontario, CA 91762-3201 · (909) 986-4550
-
Diana M Lucero
125 W F St, Ontario, CA 91762-3262 · (909) 986-4550