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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

C MASON CHIROPRACTIC PC
NPI 1629977939
Chiropractor in San Mateo, CA

Active since November 03, 2026
190 W 25TH AVE STE 2, SAN MATEO, CA 94403(650) 571-1122 Get Directions Write a Review

NPPES record added: November 3, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About C Mason Chiropractic Pc NPPES

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

C MASON CHIROPRACTIC PC (NPI 1629977939) is a healthcare organization registered as a chiropractor in San Mateo, California and active in the NPI registry since November 2026. The organization lists Cassandra Mason, Ceo, as its authorized official.

NPPES Registry Identity

NPI1629977939
Entity TypeOrganization
Primary Taxonomy111N00000X
Legal Business NameC MASON CHIROPRACTIC PC
Location Address190 W 25TH AVE STE 2San Mateo, CA 94403-2272
Mailing Address190 W 25th Ave Ste 2San Mateo, CA 94403-2272 · (650) 571-1122
Phone(650) 571-1122
Organization SubpartNo
Authorized OfficialCassandra MasonCeo · (650) 571-1122
Enumeration DateNovember 3, 2026
NPPES CertifiedNovember 3, 2026
✔ NPI 1629977939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
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.
190 W 25TH AVE STE 2, San Mateo, CA 94403
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CASSANDRA M MASON D.C.
Chiropractor
190 W 25TH AVE STE 2
SAN MATEO, CA 94403
San Mateo County (650) 571-1122

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 C Mason Chiropractic PC's NPI number?

The NPI number for C Mason Chiropractic PC is 1629977939. It was assigned to this organization in the NPPES registry on November 3, 2026.

Where is C Mason Chiropractic PC located?

C Mason Chiropractic PC is located at 190 W 25th Ave Ste 2, San Mateo, CA 94403. The listed phone number is (650) 571-1122.

What is C Mason Chiropractic PC'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 C Mason Chiropractic PC was last updated on November 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.