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GUILLERMO ACERO MD
NPI 1629144373
Pathology - Anatomic Pathology & Clinical Pathology in Ojai, CA

Active since November 27, 2006
1306 MARICOPA HIGHWAY, OJAI VALLEY COMMUNITY HOSPITAL, OJAI, CA 93023(805) 646-1401(805) 646-0431 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Guillermo Acero Md NPPES

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

GUILLERMO ACERO MD (NPI 1629144373) is an individual anatomic pathology & clinical pathology provider in Ojai, California, licensed in California (A26498) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1629144373
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameGUILLERMO ACEROCredential: MD
Location Address1306 MARICOPA HIGHWAY, OJAI VALLEY COMMUNITY HOSPITALOjai, CA 93023
Mailing AddressPo Box 25420Ventura, CA 93002-2277 · (805) 650-5910 · Fax (805) 650-5972
Phone(805) 646-1401
Fax(805) 646-0431
Sole ProprietorNo
Enumeration DateNovember 27, 2006
Last NPPES UpdateMarch 7, 2023
✔ NPI 1629144373 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in CA · A26498
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
1306 MARICOPA HIGHWAY, Ojai, CA 93023
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Other Identifiers 2

OtherA26498CA · Medical Board Of Ca
Medicaid00A264981CA

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.

OJAI VALLEY EMERGENCY PHYSICIANS MEDICAL GROUP INC
Emergency Medicine
1306 MARICOPA HIGHWAY
OJAI, CA 93023
Ventura County (805) 646-1401
THEODORE J ANGUS MD
Emergency Medicine
1306 MARICOPA HIGHWAY
OJAI, CA 93023
Ventura County (805) 646-1401
ELIZABETH PATTERSON MD
Emergency Medicine
1306 MARICOPA HIGHWAY
OJAI, CA 93023
Ventura County (805) 646-1401

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 Guillermo Acero's NPI number?

The NPI number for Guillermo Acero is 1629144373. It was assigned to this individual provider in the NPPES registry on November 27, 2006.

Where is Guillermo Acero located?

Guillermo Acero practices at 1306 Maricopa Highway Ojai Valley Community Hospital, Ojai, CA 93023. The listed phone number is (805) 646-1401.

What is Guillermo Acero's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

When was this NPI record last updated?

The NPPES record for Guillermo Acero was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.