DR. WILLIAM BRETT MASON JR.
NPI 1003561267
Chiropractor in San Diego, CA

Q: What is William Mason's NPI number?

The NPI number for William Mason is 1003561267. It was assigned to this individual provider in the NPPES registry on February 16, 2022.

Q: What is William Mason'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 William Mason was last updated on February 16, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 February 16, 2022

6612 MISSION GORGE RD STE B, SAN DIEGO, CA 92120(619) 282-8181 Get Directions Write a Review

NPPES record last updated: February 16, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. William Brett Mason Jr. NPPES

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

DR. WILLIAM BRETT MASON JR. (NPI 1003561267) is an individual chiropractor in San Diego, California, licensed in California (DC36270) and active in the NPI registry since February 2022.

NPPES Registry Identity

NPI1003561267

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameDR. WILLIAM BRETT MASON JR.

Location Address6612 MISSION GORGE RD STE BSan Diego, CA 92120-2346

Mailing Address6612 Mission Gorge Rd Ste BSan Diego, CA 92120-2346 · (619) 282-8181

Phone(619) 282-8181

Sole ProprietorYes

Enumeration DateFebruary 16, 2022

NPPES CertifiedFebruary 16, 2022

✔ NPI 1003561267 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in CA · DC36270

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.

6612 MISSION GORGE RD STE B, San Diego, CA 92120

Open in Google Maps ↗

Other Providers at the Same Location NPPES

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

STEFANIE BASSO CPT CNS, MS

Nutritionist (Nutrition, Education)

6612 MISSION GORGE RD STE B
SAN DIEGO, CA 92120

San Diego County (808) 226-2113

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 William Mason's NPI number?

The NPI number for William Mason is 1003561267. It was assigned to this individual provider in the NPPES registry on February 16, 2022.

Where is William Mason located?

William Mason practices at 6612 Mission Gorge Rd Ste B, San Diego, CA 92120. The listed phone number is (619) 282-8181.

What is William Mason'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 William Mason was last updated on February 16, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.