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

Maria Teresa A. De Guia, DDS, Inc

Organization General Practice Dentistry · NPI 1295863660

Maria Teresa A. De Guia, DDS, Inc provides General Practice Dentistry in Irwindale, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

15712 Arrow Hwy
Irwindale, CA 91706-2005 Not confirmed with CMS for 17 years — call before visiting
Phone: (626) 337-2600
Fax: (626) 337-2644
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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 53306 (CA)

Record details

NPI number1295863660
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Maria Teresa De Guia — President · (626) 337-2600
NPI enumeratedFebruary 28, 2007
Last updated in NPPESDecember 19, 2008
Mailing address15712 Arrow Highway, Irwindale, CA 91706-2005

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