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

Dr. Regina Pacia Castillo, DMD

Individual provider General Practice Dentistry · NPI 1821209966

Dr. Regina Pacia Castillo, DMD is a General Practice Dentistry in Hayward, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

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Practice location Address checks out

28472 Hesperian Blvd
Hayward, CA 94545-4853
Phone: (510) 786-4501
Fax: (510) 786-4502
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 40703 (CA)

Record details

NPI number1821209966
Entity typeIndividual (Type 1)
GenderFemale
Credentials DMD
Sole proprietorNo
NPI enumeratedMay 24, 2007
Last updated in NPPESJuly 8, 2007

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