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MESA WEST MEDICAL INC
NPI 1821294596
Internal Medicine in Bakersfield, CA

Active since June 21, 2007CLIA 05D0871536 · Waiver
8327 BRIMHALL ROAD BLDG 700, SUITE 704, BAKERSFIELD, CA 93312(661) 617-6750(661) 617-6760 Get Directions Write a Review

NPPES record last updated: February 17, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mesa West Medical Inc NPPES

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

MESA WEST MEDICAL INC (NPI 1821294596) is a healthcare organization registered as an internal medicine in Bakersfield, California and active in the NPI registry since June 2007. The organization holds a CLIA Waiver certificate valid through March 27, 2028 and lists William Edward Gilli, Owner, as its authorized official.

NPPES Registry Identity

NPI1821294596
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMESA WEST MEDICAL INC
Location Address8327 BRIMHALL ROAD BLDG 700, SUITE 704Bakersfield, CA 93312
Mailing Address8327 Brimhall Road Bldg 700, Suite 704Bakersfield, CA 93312-0000 · (661) 617-6750 · Fax (661) 617-6760
Phone(661) 617-6750
Fax(661) 617-6760
Organization SubpartNo
Authorized OfficialWilliam Edward GilliOwner · (661) 617-6750
Enumeration DateJune 21, 2007
Last NPPES UpdateFebruary 17, 2014
✔ NPI 1821294596 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G53033
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
8327 BRIMHALL ROAD BLDG 700, Bakersfield, CA 93312
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Other Identifiers 3

Medicare ID-Type UnspecifiedZZZ38298ZCA
MedicaidGR0057501CA
Medicare UPINC68346CA

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0871536

Mesa West Medical · Bakersfield, CA
Active · expires Mar 27, 2028
CLIA Number05D0871536
Laboratory TypePhysician Office
Certificate Effective DateMarch 28, 2026
Certificate Expiration DateMarch 27, 2028
Laboratory DirectorWilliam E. Gilli MD
Laboratory Phone(661) 617-6750
Laboratory LocationMesa West Medical8327 Brimhall Road, Bldg 700, Suite 704, Bakersfield, CA 93312
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Mesa West Medical Inc's NPI number?

The NPI number for Mesa West Medical Inc is 1821294596. It was assigned to this organization in the NPPES registry on June 21, 2007.

Where is Mesa West Medical Inc located?

Mesa West Medical Inc is located at 8327 Brimhall Road Bldg 700 Suite 704, Bakersfield, CA 93312. The listed phone number is (661) 617-6750.

What is Mesa West Medical Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Mesa West Medical Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0871536) is associated with this NPI, valid through March 27, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Mesa West Medical Inc was last updated on February 17, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.