MR. BARRY JON MASSIRIO PA-C
NPI 1922000355
Physician Assistant in Bakersfield, CA

Active since August 15, 2005
4580 CALIFORNIA AVE, BAKERSFIELD, CA 93309(661) 327-4411 Get Directions Write a Review

NPPES record last updated: July 11, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Barry Jon Massirio Pa-c NPPES

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

MR. BARRY JON MASSIRIO PA-C (NPI 1922000355) is an individual physician assistant in Bakersfield, California, licensed in California (PA12341) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1922000355
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. BARRY JON MASSIRIOCredential: PA-C
Location Address4580 CALIFORNIA AVEBakersfield, CA 93309-1104
Mailing Address4580 California AveBakersfield, CA 93309-1104 · (661) 327-4411
Sole ProprietorYes
Enumeration DateAugust 15, 2005
Last NPPES UpdateJuly 11, 2013
NPI 1922000355 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in CA · PA12341
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.
4580 CALIFORNIA AVE, Bakersfield, CA 93309

Other Identifiers 1

Medicare UPINP73104CA

Other Providers at the Same Location NPPES 20

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

Clinic/Center (Multi-Specialty)
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Nurse Practitioner
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Nurse Practitioner
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Hospitalist
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Nurse Practitioner
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Internal Medicine
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Family Medicine
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Physician Assistant
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309

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 Barry Massirio's NPI number?

The NPI number for Barry Massirio is 1922000355. It was assigned to this individual provider in the NPPES registry on August 15, 2005.

Where is Barry Massirio located?

Barry Massirio practices at 4580 California Ave, Bakersfield, CA 93309. The listed phone number is (661) 327-4411.

What is Barry Massirio'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 Barry Massirio was last updated on July 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.