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

Guillermo Sal Castillo Dental Corp

Organization Dentist · NPI 1720558166

Guillermo Sal Castillo Dental Corp provides Dentist services in South Gate, California. Registered with an NPI since 2018.

In the registry since
2018
What do these letters mean?
Corp — Corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

4355 Tweedy Blvd
South Gate, CA 90280-6236
Phone: (323) 357-7900
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X

Record details

NPI number1720558166
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Monica Mello — Manager · (760) 244-1111
NPI enumeratedNovember 28, 2018
Last updated in NPPESNovember 28, 2018
Mailing address4355 Tweedy Blvd, South Gate, CA 90280-6236

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