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Dr. George M Grant, DDS PHD

Oral and Maxillofacial Surgery (Dentist) in San Marcos, TX · enumerated 2006 · practices at T A Castoldi & Associates.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1871566984

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Registry record

Entity type Individual (Type 1)
Name Dr. George M Grant
Credential DDS PHD
Sex Male
Practice address 310 Stagecoach Trl, Suite 600, San Marcos, TX, 78666
Phone (512) 396-4689
Enumeration date Feb 9, 2006
Last updated in NPPES Mar 16, 2010

Taxonomy & licenses

1223S0112X Oral and Maxillofacial Surgery (Dentist) Dental Providers · License 12838 (TX) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for George Grant?
The National Provider Identifier (NPI) for George Grant is 1871566984, a Type 1 (individual) record in the CMS NPPES registry.
Where does George Grant practice?
The practice location on file with NPPES is in San Marcos, TX. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-03-16.