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

MASON ANDERSON PA-C
NPI 1134033327
Physician Assistant in San Bernardino, CA

Active since October 02, 2026
399 E HIGHLAND AVE STE 319, SAN BERNARDINO, CA 92404(909) 820-7200 Get Directions Write a Review

NPPES record added: October 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 16, 2026, Oct 2, 2026 (2 updates tracked since 2026).

About Mason Anderson Pa-c NPPES

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

MASON ANDERSON PA-C (NPI 1134033327) is an individual physician assistant in San Bernardino, California and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1134033327
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMASON ANDERSONCredential: PA-C
Location Address399 E HIGHLAND AVE STE 319San Bernardino, CA 92404-3858
Mailing Address399 E Highland Ave Ste 319San Bernardino, CA 92404-3858 · (909) 820-7200
Phone(909) 820-7200
Sole ProprietorNo
Enumeration DateOctober 2, 2026
Last NPPES UpdateOctober 16, 20262 updates tracked since enumeration
NPPES CertifiedOctober 16, 2026
✔ NPI 1134033327 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
399 E HIGHLAND AVE STE 319, San Bernardino, CA 92404
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Other Providers at the Same Location NPPES 3

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

RUBEN OSORIO MD
Surgery
399 E HIGHLAND AVE STE 319
SAN BERNARDINO, CA 92404
San Bernardino County (909) 881-7200
RUBEN OSORIO, M.D. INC
Specialist
399 E HIGHLAND AVE STE 319
SAN BERNARDINO, CA 92404
San Bernardino County (909) 820-7200
BRIANNE WEAVER PA-C
Physician Assistant
399 E HIGHLAND AVE STE 319
SAN BERNARDINO, CA 92404
San Bernardino County (909) 881-7200

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 Mason Anderson's NPI number?

The NPI number for Mason Anderson is 1134033327. It was assigned to this individual provider in the NPPES registry on October 2, 2026.

Where is Mason Anderson located?

Mason Anderson practices at 399 E Highland Ave Ste 319, San Bernardino, CA 92404. The listed phone number is (909) 820-7200.

What is Mason Anderson's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Mason Anderson was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.