ALTA EAST BAY PATHOLOGY, INC.
NPI 1316909559
Clinical Medical Laboratory in Oakland, CA

Active since April 04, 2006
350 HAWTHORNE AVE, OAKLAND, CA 94609(510) 869-6567 Get Directions Write a Review

NPPES record last updated: February 10, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Alta East Bay Pathology, Inc. NPPES

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

ALTA EAST BAY PATHOLOGY, INC. (NPI 1316909559) is a healthcare organization registered as a clinical medical laboratory in Oakland, California and active in the NPI registry since April 2006. The organization lists Emily O'rourke, President, as its authorized official.

NPPES Registry Identity

NPI1316909559
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameALTA EAST BAY PATHOLOGY, INC.
Location Address350 HAWTHORNE AVEOakland, CA 94609-3108
Mailing AddressPo Box 848109Los Angeles, CA 90084-8109 · (510) 607-9973 · Fax (314) 932-2823
Organization SubpartNo
Authorized OfficialEmily O'rourkePresident · (510) 204-1642
Enumeration DateApril 4, 2006
Last NPPES UpdateFebruary 10, 2026
NPPES CertifiedFebruary 10, 2026
✔ NPI 1316909559 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
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.
350 HAWTHORNE AVE, Oakland, CA 94609

Other Identifiers 2

OtherDB9620Railroadmedicare
MedicaidGR0095401CA

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alta East Bay Pathology, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to Alta East Bay Pathology, Inc., which bills Medicare for the services they deliver. Of these, 4 practice at this address and 6 within 10 miles. They are listed nearest first.

Clinicians, nearest first (7)

Pathology
NPI 1780115279
350 HAWTHORNE AVE
Oakland, CA 94609
(510) 869-6567
✔ PECOS✔ Accepts MedicareSame address
Pathology
NPI 1821057050
350 HAWTHORNE AVE DEPT. OF PATHOLOGY
Oakland, CA 94609
(510) 869-6567
✔ PECOS✔ Accepts MedicareSame address
Pathology
NPI 1174592687
350 HAWTHORNE AVE
Oakland, CA 94609
(510) 869-6567
✔ PECOSSame address
Pathology
NPI 1437492386
350 HAWTHORNE AVE
Oakland, CA 94609
(510) 204-1642
✔ PECOS✔ Accepts MedicareSame address
Pathology
NPI 1770516536
2510 WEBSTER ST
Berkeley, CA 94705
(510) 548-6555
✔ PECOS✔ Accepts Medicare2.5 mi
Pathology
NPI 1245767029
2510 WEBSTER ST
Berkeley, CA 94705
(510) 548-6555
✔ PECOS✔ Accepts Medicare2.5 mi
Pathology
NPI 1093277956
10833 LE CONTE AVE STE AS-370
Los Angeles, CA 90095
(310) 267-2680
✔ PECOS✔ Accepts Medicare336 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Alta East Bay Pathology, Inc.'s NPI number?

The NPI number for Alta East Bay Pathology, Inc. is 1316909559. It was assigned to this organization in the NPPES registry on April 4, 2006.

Where is Alta East Bay Pathology, Inc. located?

Alta East Bay Pathology, Inc. is located at 350 Hawthorne Ave, Oakland, CA 94609. The listed phone number is (510) 869-6567.

What is Alta East Bay Pathology, Inc.'s specialty?

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

Is Alta East Bay Pathology, Inc. enrolled in Medicare?

Yes. Alta East Bay Pathology, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Alta East Bay Pathology, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians, all in Pathology, reassign their Medicare billing to Alta East Bay Pathology, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 4 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Alta East Bay Pathology, Inc. was last updated on February 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.