NPPES file of Aug 9, 2026

San Mateo County Medical Center

San Mateo County Medical Center holds 5 active organization NPIs in the federal registry, with practice locations in 3 California cities. 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

Daly City has the most NPIs, 2

  1. Daly City2
  2. San Mateo2
  3. Redwood City1

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

Most NPIs were issued in 2006 and 2015

San Mateo County Medical Center NPIs by year issued2006: 4, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 101234200620072008200920102011201220132014201541
San Mateo County Medical Center NPIs by year issued2006: 4, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 101234200620072008200920102011201220132014201541
San Mateo County Medical Center NPIs by year issued2006: 4, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 101234200720092011201320152006: 41

Source: CMS NPPES, enumeration dates.

4 NPIs were issued in 2006 alone, more than in any other year; none in 8 of the years between.

Daly City locations

The city with the most San Mateo County Medical Center NPIs. The full list of all 5 follows.

NPILocationPrimary taxonomyIssued
1881625358380 90TH ST, Daly CityMulti-Specialty Clinic/CenterJul 5, 2006
1265829501380 90TH ST, Daly CityAdult Day Care Clinic/CenterApr 24, 2015
All 5 locations, by city
NPILocationPrimary taxonomyIssued
1881625358380 90TH ST, Daly CityMulti-Specialty Clinic/CenterJul 5, 2006
1265829501380 90TH ST, Daly CityAdult Day Care Clinic/CenterApr 24, 2015
1659300085630 LAUREL ST, Redwood CityFederally Qualified Health Center (FQHC)Jun 30, 2006
1235172875222 W 39TH AVE, San MateoClinic/CenterJun 13, 2006
1851317929222 W 39TH AVE, San MateoGeneral Acute Care HospitalJul 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 San Mateo County Medical Center 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. San Mateo County Medical Center'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.