NPPES file of Aug 9, 2026

Contra Costa Pathology Associates

Contra Costa Pathology Associates holds 5 active organization NPIs in the federal registry, with practice locations in 5 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

Concord has the most NPIs, 1

  1. Concord1
  2. Daly City1
  3. Pleasant Hill1
  4. San Francisco1
  5. Walnut Creek1

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

Most NPIs were issued in 2006 and 2014

Contra Costa Pathology Associates NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 2, 2015: 0, 2016: 0, 2017: 1, 2018: 0, 2019: 0, 2020: 100.511.52200620082010201220142016201820201211
Contra Costa Pathology Associates NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 2, 2015: 0, 2016: 0, 2017: 1, 2018: 0, 2019: 0, 2020: 100.511.522006200720082009201020112012201320142015201620172018201920201211
Contra Costa Pathology Associates NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 2, 2015: 0, 2016: 0, 2017: 1, 2018: 0, 2019: 0, 2020: 100.511.52200620082010201220142016201820201211

Source: CMS NPPES, enumeration dates.

2 NPIs were issued in 2014 alone, more than in any other year; none in 11 of the years between.

Concord locations

The city with the most Contra Costa Pathology Associates NPIs. The full list of all 5 follows.

NPILocationPrimary taxonomyIssued
14173614112540 EAST ST, ConcordAnatomic Pathology PhysicianJun 17, 2014
All 5 locations, by city
NPILocationPrimary taxonomyIssued
14173614112540 EAST ST, ConcordAnatomic Pathology PhysicianJun 17, 2014
15488751981900 SULLIVAN AVE, Daly CityAnatomic Pathology & Clinical Pathology PhysicianSep 10, 2020
1396161014399 TAYLOR BLVD SW 200, Pleasant HillDermatopathology (Pathology) PhysicianMar 6, 2014
1487188868845 JACKSON ST, San FranciscoAnatomic Pathology & Clinical Pathology PhysicianApr 12, 2017
14372116461601 YGNACIO VALLEY RD # 201, Walnut CreekAnatomic Pathology & Clinical Pathology PhysicianDec 14, 2006

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 Contra Costa Pathology Associates 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. Contra Costa Pathology Associates's NPIs list practice locations in 5 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.