Yellowstone Women S First Step House
Yellowstone Women S First Step House holds 12 active organization NPIs in the federal registry, with practice locations in 4 California cities. 10 list substance abuse rehabilitation facility as their primary taxonomy; each location can bill under its own NPI.
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPICosta Mesa has the most NPIs, 6
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2011 and 2024
Source: CMS NPPES, enumeration dates.
8 NPIs were issued in 2011 alone, more than in any other year; none in 11 of the years between.
Costa Mesa locations
The city with the most Yellowstone Women S First Step House NPIs. The full list of all 12 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1184915878 | 2028 FULLERTON AVE #A, B & C, Costa Mesa | Substance Abuse Rehabilitation Facility | Apr 28, 2011 |
| 1245521947 | 3132 BOSTON WAY, Costa Mesa | Substance Abuse Rehabilitation Facility | Apr 28, 2011 |
| 1003107780 | 154 E BAY ST, Costa Mesa | Substance Abuse Rehabilitation Facility | Apr 28, 2011 |
| 1083905798 | 160 E BAY ST, Costa Mesa | Substance Abuse Rehabilitation Facility | Apr 28, 2011 |
| 1023463999 | 2001 HARBOR BLVD SUITE 200, Costa Mesa | Addiction (Substance Use Disorder) Counselor | Apr 28, 2016 |
| 1114763851 | 590 TRAVERSE DR, Costa Mesa | Substance Abuse Rehabilitation Facility | Jul 2, 2024 |
All 12 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1184915878 | 2028 FULLERTON AVE #A, B & C, Costa Mesa | Substance Abuse Rehabilitation Facility | Apr 28, 2011 |
| 1245521947 | 3132 BOSTON WAY, Costa Mesa | Substance Abuse Rehabilitation Facility | Apr 28, 2011 |
| 1003107780 | 154 E BAY ST, Costa Mesa | Substance Abuse Rehabilitation Facility | Apr 28, 2011 |
| 1083905798 | 160 E BAY ST, Costa Mesa | Substance Abuse Rehabilitation Facility | Apr 28, 2011 |
| 1023463999 | 2001 HARBOR BLVD SUITE 200, Costa Mesa | Addiction (Substance Use Disorder) Counselor | Apr 28, 2016 |
| 1114763851 | 590 TRAVERSE DR, Costa Mesa | Substance Abuse Rehabilitation Facility | Jul 2, 2024 |
| 1225874977 | 2319 WHITESANDS DR APT 1, Huntington Beach | Substance Abuse Rehabilitation Facility | Jul 2, 2024 |
| 1356632061 | 1561 INDUS ST, Newport Beach | Substance Abuse Rehabilitation Facility | Apr 28, 2011 |
| 1710278437 | 1571 PEGASUS ST, Newport Beach | Substance Abuse Rehabilitation Facility | Apr 28, 2011 |
| 1558652255 | 20172 REDLANDS DR, Newport Beach | Substance Abuse Rehabilitation Facility | Apr 28, 2011 |
| 1205672953 | 4001 WESTERLY PL STE 110, Newport Beach | Substance Use Disorder Rehabilitation Clinic/Center | Jul 2, 2024 |
| 1366733073 | 1621 INDUS STREET, Santa Ana Heights | Substance Abuse Rehabilitation Facility | Apr 28, 2011 |
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does Yellowstone Women S First Step House have 12 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Yellowstone Women S First Step House's NPIs list practice locations in 4 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.