DR. DAVID OLSEN D.C.
NPI 1447405501
Chiropractor in San Mateo, CA

Q: What is David Olsen's NPI number?

The NPI number for David Olsen is 1447405501. It was assigned to this individual provider in the NPPES registry on November 17, 2008.

Q: What is David Olsen's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Q: When was this NPI record last updated?

The NPPES record for David Olsen was last updated on November 17, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 17, 2008

138 SOUTH B ST., #4, SAN MATEO, CA 94401(650) 293-1810 Get Directions Write a Review

NPPES record last updated: November 17, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. David Olsen D.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DAVID OLSEN D.C. (NPI 1447405501) is an individual chiropractor in San Mateo, California, licensed in California (DC 30787) and active in the NPI registry since November 2008.

NPPES Registry Identity

NPI1447405501

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameDR. DAVID OLSENCredential: D.C.

Location Address138 SOUTH B ST., #4San Mateo, CA 94401

Mailing Address138 South B St., #4San Mateo, CA 94401

Phone(650) 293-1810

Sole ProprietorYes

Enumeration DateNovember 17, 2008

✔ NPI 1447405501 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in CA · DC 30787

Definition

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

138 SOUTH B ST., San Mateo, CA 94401

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Olsen's NPI number?

The NPI number for David Olsen is 1447405501. It was assigned to this individual provider in the NPPES registry on November 17, 2008.

Where is David Olsen located?

David Olsen practices at 138 South B St. #4, San Mateo, CA 94401. The listed phone number is (650) 293-1810.

What is David Olsen's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

When was this NPI record last updated?

The NPPES record for David Olsen was last updated on November 17, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.