Registry data as of Aug 27, 2026

Rylist

Rylist holds 12 active organization NPIs in the federal registry, with practice locations in 2 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

Thousand Oaks has the most NPIs, 11

  1. Thousand Oaks11
  2. Los Angeles1

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

Most NPIs were issued in 2012 and 2021

Rylist NPIs by year issued2012: 3, 2013: 0, 2014: 1, 2015: 1, 2016: 0, 2017: 0, 2018: 1, 2019: 1, 2020: 1, 2021: 2, 2022: 0, 2023: 1, 2024: 0, 2025: 0, 2026: 101232012201420162018202020222024202632021: 21111111
Rylist NPIs by year issued2012: 3, 2013: 0, 2014: 1, 2015: 1, 2016: 0, 2017: 0, 2018: 1, 2019: 1, 2020: 1, 2021: 2, 2022: 0, 2023: 1, 2024: 0, 2025: 0, 2026: 10123201220132014201520162017201820192020202120222023202420252026321111111
Rylist NPIs by year issued2012: 3, 2013: 0, 2014: 1, 2015: 1, 2016: 0, 2017: 0, 2018: 1, 2019: 1, 2020: 1, 2021: 2, 2022: 0, 2023: 1, 2024: 0, 2025: 0, 2026: 101232012201420162018202020222024202632021: 21111111

Source: CMS NPPES, enumeration dates.

3 NPIs were issued in 2012 alone, more than in any other year; none in 6 of the years between.

Thousand Oaks locations

The city with the most Rylist NPIs. The full list of all 12 follows.

NPILocationPrimary taxonomyIssued
1407119670155 E WILBUR RD, Thousand OaksSubstance Use Disorder Rehabilitation Clinic/CenterJun 21, 2012
1063756849395 N CONEJO SCHOOL RD, Thousand OaksSubstance Abuse Rehabilitation FacilityNov 19, 2012
1528303682385 N CONEJO SCHOOL RD, Thousand OaksSubstance Abuse Rehabilitation FacilityNov 30, 2012
18911935381154 CARDIFF CIR, Thousand OaksSubstance Abuse Rehabilitation FacilityDec 11, 2014
13264246071771 COUNTRY OAKS LN, Thousand OaksSubstance Abuse Rehabilitation FacilityAug 10, 2015
1366935405155 E WILBUR RD, Thousand OaksMental Health Clinic/Center (Including Community Mental Health Center)Jun 13, 2018
1841846946779 BRIAR CLIFF RD, Thousand OaksPsychiatric Residential Treatment FacilityAug 14, 2019
11246687932479 LA GRANADA DR, Thousand OaksPsychiatric Residential Treatment FacilityJan 13, 2020
All 12 locations, by city
NPILocationPrimary taxonomyIssued
10632918051 LMU DRIVE MALONE BLDG STE 401, Los AngelesMental Health Clinic/Center (Including Community Mental Health Center)Sep 21, 2023
1407119670155 E WILBUR RD, Thousand OaksSubstance Use Disorder Rehabilitation Clinic/CenterJun 21, 2012
1063756849395 N CONEJO SCHOOL RD, Thousand OaksSubstance Abuse Rehabilitation FacilityNov 19, 2012
1528303682385 N CONEJO SCHOOL RD, Thousand OaksSubstance Abuse Rehabilitation FacilityNov 30, 2012
18911935381154 CARDIFF CIR, Thousand OaksSubstance Abuse Rehabilitation FacilityDec 11, 2014
13264246071771 COUNTRY OAKS LN, Thousand OaksSubstance Abuse Rehabilitation FacilityAug 10, 2015
1366935405155 E WILBUR RD, Thousand OaksMental Health Clinic/Center (Including Community Mental Health Center)Jun 13, 2018
1841846946779 BRIAR CLIFF RD, Thousand OaksPsychiatric Residential Treatment FacilityAug 14, 2019
11246687932479 LA GRANADA DR, Thousand OaksPsychiatric Residential Treatment FacilityJan 13, 2020
13367336171508 BEREA CIR, Thousand OaksPsychiatric Residential Treatment FacilityFeb 26, 2021
1417623505965 RANCHO RD, Thousand OaksPsychiatric Residential Treatment FacilityAug 18, 2021
15380891981634 KENT PL, Thousand OaksPsychiatric Residential Treatment FacilityJul 15, 2026

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 Rylist 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. Rylist'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.