ERWIN B. CLAHASSEY M.D., A PROFESSIONAL CORPORATION
NPI 1265426969
Pathology - Anatomic Pathology & Clinical Pathology in Ventura, CA

Q: What is Erwin B. Clahassey M.D., A Professional Corporation's specialty?

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

Active since September 08, 2005

147 N BRENT ST, VENTURA, CA 93003(805) 652-5023(805) 643-8511 Get Directions Write a Review

NPPES record last updated: August 2, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Erwin B. Clahassey M.d., A Professional Corporation NPPES

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

ERWIN B. CLAHASSEY M.D., A PROFESSIONAL CORPORATION (NPI 1265426969) is a healthcare organization registered as an anatomic pathology & clinical pathology in Ventura, California and active in the NPI registry since September 2005. The organization lists Erwin B Clahassey, President, as its authorized official.

NPPES Registry Identity

NPI1265426969

Entity TypeOrganization

Primary Taxonomy207ZP0102X

Legal Business NameERWIN B. CLAHASSEY M.D., A PROFESSIONAL CORPORATION

Location Address147 N BRENT STVentura, CA 93003-2809

Mailing AddressPo Box 222098Charlotte, NC 28222-2098 · (866) 932-6216

Phone(805) 652-5023

Fax(805) 643-8511

Organization SubpartNo

Authorized OfficialErwin B ClahasseyPresident · (805) 652-5023

Enumeration DateSeptember 8, 2005

Last NPPES UpdateAugust 2, 2013

✔ NPI 1265426969 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

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.

147 N BRENT ST, Ventura, CA 93003

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Other Identifiers 1

Medicare PINW17333CA

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

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.

DR. DANIEL BLAINE ASAY M.D.

Anesthesiology