BAYER REFERENCE TESTING LABORATORY
NPI 1235114067
Clinical Medical Laboratory in Berkeley, CA

Active since December 14, 2005
725 POTTER ST, BERKELEY, CA 94710(510) 705-5900(510) 705-5902 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Bayer Reference Testing Laboratory NPPES

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

BAYER REFERENCE TESTING LABORATORY (NPI 1235114067) is a healthcare organization registered as a clinical medical laboratory in Berkeley, California and active in the NPI registry since December 2005. The organization lists William Patrick Joseph, Brtl Medical Director, as its authorized official.

NPPES Registry Identity

NPI1235114067
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameBAYER REFERENCE TESTING LABORATORY
Location Address725 POTTER STBerkeley, CA 94710-2722
Mailing Address725 Potter StBerkeley, CA 94710-2722 · (510) 705-5900 · Fax (510) 705-5902
Fax(510) 705-5902
Organization SubpartNo
Authorized OfficialWilliam Patrick JosephBrtl Medical Director · (510) 705-5900
Enumeration DateDecember 14, 2005
Last NPPES UpdateAugust 22, 2020
NPI 1235114067 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
Licenses Licensed in CA · LEO22797-0 Licensed in CA · CLF10781 Licensed in MD · 733 Licensed in NY · PFI4995 Licensed in PA · 023005 Licensed in RI · LC000312 Licensed in WV · HIV-RL-23 Licensed in CA · 50355
Definition
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.
725 POTTER ST, Berkeley, CA 94710

Other Providers at the Same Location NPPES 2

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

Clinical Medical Laboratory
725 POTTER ST
BERKELEY, CA 94710
Clinical Medical Laboratory
725 POTTER ST
BERKELEY, CA 94710

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 Bayer Reference Testing Laboratory's NPI number?

The NPI number for Bayer Reference Testing Laboratory is 1235114067. It was assigned to this organization in the NPPES registry on December 14, 2005.

Where is Bayer Reference Testing Laboratory located?

Bayer Reference Testing Laboratory is located at 725 Potter St, Berkeley, CA 94710. The listed phone number is (510) 705-5900.

What is Bayer Reference Testing Laboratory's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

When was this NPI record last updated?

The NPPES record for Bayer Reference Testing Laboratory was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.