Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Guillermo S, Castillo DDS Dental Corporation

Organization Dentist · NPI 1679011472

Guillermo S, Castillo DDS Dental Corporation provides Dentist services in Upland, California. Licensed in California. Registered with an NPI since 2017.

Licensed in
CA
In the registry since
2017
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Practice location Address checks out

1030 E Foothill Blvd # B-102
Upland, CA 91786-4057
Phone: (909) 981-3000
Fax: (909) 981-1311
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 50896 (CA)

Record details

NPI number1679011472
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Gaby Tirado — Hr Coordinator · (760) 244-1111
NPI enumeratedFebruary 1, 2017
Last updated in NPPESOctober 25, 2022
Certification dateOctober 25, 2022
Mailing address15278 Main St, Suite E, Hesperia, CA 92345-3300

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