NPPES file of Aug 9, 2026

Oasis

Oasis holds 2 active organization NPIs in the federal registry, with practice locations in 2 California cities. All list case management 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

Anaheim has the most NPIs, 1

  1. Anaheim1
  2. Orange1

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

Most NPIs were issued in 2007 and 2015

Oasis NPIs by year issued2007: 1, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 100.30.50.8120072008200920102011201220132014201511
Oasis NPIs by year issued2007: 1, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 100.30.50.8120072008200920102011201220132014201511
Oasis NPIs by year issued2007: 1, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 100.30.50.8120072008200920102011201220132014201511

Source: CMS NPPES, enumeration dates.

1 NPIs were issued in 2007 alone, more than in any other year; none in 7 of the years between.

Anaheim locations

The city with the most Oasis NPIs. The full list of all 2 follows.

NPILocationPrimary taxonomyIssued
11848032801900 E LA PALMA AVE 101, AnaheimCase Management AgencyOct 25, 2007
All 2 locations, by city
NPILocationPrimary taxonomyIssued
11848032801900 E LA PALMA AVE 101, AnaheimCase Management AgencyOct 25, 2007
12850297931855 W KATELLA AVE STE 150, OrangeCase Management AgencyApr 1, 2015

Related names

  1. Oasis Counseling LLC17 NPIs
  2. Oasis Home Care LLC13 NPIs
  3. Oasis Counseling Services, LLC11 NPIs
  4. Oasis Counseling Center LLC10 NPIs
  5. Oasis Behavioral Health, INC8 NPIs
  6. Oasis Dental7 NPIs
  7. Oasis Medical Center7 NPIs
  8. Oasis Pharmacy LLC7 NPIs
  9. Oasis Care LLC6 NPIs
  10. Oasis Healthcare6 NPIs
  11. Oasis Healthcare Services LLC6 NPIs
  12. Oasis Independent Living, LLC6 NPIs

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 Oasis have 2 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Oasis'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.