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

Mario J Castellanos DDS

Organization Dentist · NPI 1205375128

Mario J Castellanos DDS is a Dentist in Rancho Cucamonga, California. Licensed in California. Registered with an NPI since 2017.

Licensed in
CA
In the registry since
2017

Practice location Address checks out

9113 Foothill Blvd Ste 210
Rancho Cucamonga, CA 91730-3452
Phone: (909) 822-6200
Show map & directions

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 33258 (CA)

Record details

NPI number1205375128
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mario Castellanos — Owner · (909) 822-6200
NPI enumeratedFebruary 13, 2017
Last updated in NPPESFebruary 13, 2017
Mailing address9113 Foothill Blvd Ste 210, Rancho Cucamonga, CA 91730-3452

Other providers in Rancho Cucamonga