NPPES file of Aug 9, 2026

Alta East Bay Pathology

Alta East Bay Pathology holds 5 active organization NPIs in the federal registry, with practice locations in 3 California cities. 3 list anatomic pathology & clinical pathology physician as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

Oakland has the most NPIs, 3

  1. Oakland3
  2. Berkeley1
  3. Castro Valley1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

Most NPIs were issued in 2006 and 2009

Alta East Bay Pathology NPIs by year issued2006: 3, 2007: 0, 2008: 0, 2009: 20123200620072008200932
Alta East Bay Pathology NPIs by year issued2006: 3, 2007: 0, 2008: 0, 2009: 20123200620072008200932
Alta East Bay Pathology NPIs by year issued2006: 3, 2007: 0, 2008: 0, 2009: 20123200620072008200932

Source: CMS NPPES, enumeration dates.

3 NPIs were issued in 2006 alone, more than in any other year; none in 2 of the years between.

Oakland locations

The city with the most Alta East Bay Pathology NPIs. The full list of all 5 follows.

NPILocationPrimary taxonomyIssued
1316909559350 HAWTHORNE AVE, OaklandClinical Medical LaboratoryApr 4, 2006
15785141963100 SUMMIT ST, OaklandClinical Medical LaboratoryMay 16, 2006
19323428543300 WEBSTER ST #1201, OaklandAnatomic Pathology & Clinical Pathology PhysicianApr 7, 2009
All 5 locations, by city
NPILocationPrimary taxonomyIssued
10038782402450 ASHBY AVE, BerkeleyAnatomic Pathology & Clinical Pathology PhysicianApr 4, 2006
181113072720103 LAKE CHABOT ROAD, Castro ValleyAnatomic Pathology & Clinical Pathology PhysicianApr 8, 2009
1316909559350 HAWTHORNE AVE, OaklandClinical Medical LaboratoryApr 4, 2006
15785141963100 SUMMIT ST, OaklandClinical Medical LaboratoryMay 16, 2006
19323428543300 WEBSTER ST #1201, OaklandAnatomic Pathology & Clinical Pathology PhysicianApr 7, 2009

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Alta East Bay Pathology have 5 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Alta East Bay Pathology's NPIs list practice locations in 3 cities.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.