Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. David Grant Olson, DDS
Endodontics in San Antonio, TX · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1609855774
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Registry record
Entity type Individual (Type 1)
Name Dr. David Grant Olson
Credential DDS
Sex Male
Practice address 2940 Stanley Rd Ste 2375, San Antonio, TX, 78234
Phone (210) 295-4156
Enumeration date Jan 17, 2006
Last updated in NPPES Apr 15, 2025
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
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.
Frequently asked questions
What is the NPI number for David Olson?
The National Provider Identifier (NPI) for David Olson is 1609855774, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Olson practice?
The practice location on file with NPPES is in San Antonio, TX. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Elliott Bermudez-Colon Periodontics · Fort Sam Houston, TX NPI 1215032057 Craig Patterson General Practice Dentistry · Fort Sam Houston, TX NPI 1750464525 Andrea Haseloff General Practice Dentistry · San Antonio, TX NPI 1760641625 Austin Stubbs General Practice Dentistry · Fort Sam Houston, TX NPI 1467007740 Alanna Marley Dental Hygienist · San Antonio, TX NPI 1770244493 Alexi Velazquez Dental Hygienist · Fort Sam Houston, TX NPI 1962144188 Lexis Bouza Dentist · Fort Sam Houston, TX NPI 1134806086 Christa Case Dental Hygienist · San Antonio, TX NPI 1851252639
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-15.