Registry data as of Aug 27, 2026

Napa County

Napa County holds 10 active organization NPIs in the federal registry, with practice locations in 2 California cities. 6 list community/behavioral health agency 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

Napa has the most NPIs, 9

  1. Napa9
  2. American Canyon1

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

Most NPIs were issued in 2007 and 2012

Napa County NPIs by year issued2007: 6, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 4024620072008200920102011201264
Napa County NPIs by year issued2007: 6, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 4024620072008200920102011201264
Napa County NPIs by year issued2007: 6, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 4024620072008200920102011201264

Source: CMS NPPES, enumeration dates.

6 NPIs were issued in 2007 alone, more than in any other year; none in 4 of the years between.

Napa locations

The city with the most Napa County NPIs. The full list of all 10 follows.

NPILocationPrimary taxonomyIssued
18211430582751 NAPA VALLEY CORPORATE DR BLDGS - A & B, NapaCommunity/Behavioral Health AgencyJan 25, 2007
1386799559650 IMPERIAL WAY SUITE 101, NapaCase Management AgencyJan 25, 2007
11948703602610 YAJOME ST, NapaPublic Health or Welfare AgencyJan 25, 2007
15584167842751 NAPA VALLEY CORPORATE DR BLDGS - A & B, NapaCommunity/Behavioral Health AgencyJan 25, 2007
14675076992751 NAPA VALLEY CORPORATE DR BLDGS - A & B, NapaPublic Health or Welfare AgencyJan 25, 2007
19525822802751 NAPA VALLEY CORPORATE DR BLDGS - A & B, NapaCase Management AgencyNov 15, 2007
10930857892344 OLD SONOMA RD, NapaCommunity/Behavioral Health AgencyJan 11, 2012
17708395573448 VILLA LN SUITE 102 & 105, NapaCommunity/Behavioral Health AgencyJul 30, 2012
All 10 locations, by city
NPILocationPrimary taxonomyIssued
11142739014381 BROADWAY ST SUITE 101, American CanyonCommunity/Behavioral Health AgencyJul 30, 2012
18211430582751 NAPA VALLEY CORPORATE DR BLDGS - A & B, NapaCommunity/Behavioral Health AgencyJan 25, 2007
1386799559650 IMPERIAL WAY SUITE 101, NapaCase Management AgencyJan 25, 2007
11948703602610 YAJOME ST, NapaPublic Health or Welfare AgencyJan 25, 2007
15584167842751 NAPA VALLEY CORPORATE DR BLDGS - A & B, NapaCommunity/Behavioral Health AgencyJan 25, 2007
14675076992751 NAPA VALLEY CORPORATE DR BLDGS - A & B, NapaPublic Health or Welfare AgencyJan 25, 2007
19525822802751 NAPA VALLEY CORPORATE DR BLDGS - A & B, NapaCase Management AgencyNov 15, 2007
10930857892344 OLD SONOMA RD, NapaCommunity/Behavioral Health AgencyJan 11, 2012
17708395573448 VILLA LN SUITE 102 & 105, NapaCommunity/Behavioral Health AgencyJul 30, 2012
1285980060650 IMPERIAL WAY SUITE 100, NapaCommunity/Behavioral Health AgencyJul 30, 2012

Related names

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 Napa County have 10 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Napa County's NPIs list practice locations in 2 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.