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LA VENTANA TREATMENT PROGRAMS
NPI 1407119670
Clinic/Center - Rehabilitation, Substance Use Disorder in Thousand Oaks, CA

Active since June 21, 2012CLIA Certified · 2 labs
155 E WILBUR RD, THOUSAND OAKS, CA 91360(833) 239-3552 Get Directions Write a Review

NPPES record last updated: December 2, 2024. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Dec 2, 2024, Aug 17, 2021, Jun 13, 2018 (3 updates tracked since 2018).

About La Ventana Treatment Programs NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LA VENTANA TREATMENT PROGRAMS (NPI 1407119670) is a healthcare organization registered as a rehabilitation, substance use disorder in Thousand Oaks, California and active in the NPI registry since June 2012. The organization holds 2 active CLIA laboratory certificates and lists Steve Zamarripa, Owner/president, as its authorized official.

NPPES Registry Identity

NPI1407119670
Entity TypeOrganization
Primary Taxonomy261QR0405X
Legal Business NameRYLIST INC
Location Address155 E WILBUR RDThousand Oaks, CA 91360-7935
Mailing Address155 E Wilbur RdThousand Oaks, CA 91360-7935 · (833) 239-3552 · Fax (805) 777-9226
Phone(833) 239-3552
Organization SubpartYesParent: Rylist
Authorized OfficialSteve ZamarripaOwner/president · (818) 584-5615
Enumeration DateJune 21, 2012
Last NPPES UpdateDecember 2, 20243 updates tracked since enumeration
NPPES CertifiedDecember 2, 2024
✔ NPI 1407119670 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Rehabilitation, Substance Use DisorderAmbulatory Health Care Facilities
Taxonomy Code261QR0405X
License✔ Licensed in CA · LIC-7-11-3494
Also ListedClinic/Center · Adult Mental HealthTaxonomy 261QM0850X · License LIC-7-11-3494 (CA)
155 E WILBUR RD, Thousand Oaks, CA 91360
Open in Google Maps ↗

Other Names 1

Doing Business AsLa Ventana Treatment Programs

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2107640

Rylist Inc Dba La Ventana Treatment Programs · Thousand Oaks, CA
Active · expires Jan 18, 2028
CLIA Number05D2107640
Laboratory TypeResi Suns Abuse Facility
Certificate Effective DateJanuary 19, 2026
Certificate Expiration DateJanuary 18, 2028
Laboratory DirectorSteven F. Ruh MD
Laboratory Phone(818) 584-5615
Laboratory LocationRylist Inc Dba La Ventana Treatment Programs385 N Conejo School Rd, Thousand Oaks, CA 91362
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2107642

Rylist Inc Dba La Ventana Treatment Programs · Thousand Oaks, CA
Active · expires Jan 18, 2028
CLIA Number05D2107642
Laboratory TypeResi Subs Abuse
Certificate Effective DateJanuary 19, 2026
Certificate Expiration DateJanuary 18, 2028
Laboratory DirectorSteven F. Ruh MD
Laboratory Phone(818) 584-5615
Laboratory LocationRylist Inc Dba La Ventana Treatment Programs395 N Conejo School Rd, Thousand Oaks, CA 91362
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DAN RIEDER O.D.
Optometrist
155 E WILBUR RD
THOUSAND OAKS, CA 91360
Ventura County (805) 497-7840
RYLIST, INC.
Clinic/Center (Mental Health (Including Community Mental Health Center))
155 E WILBUR RD
THOUSAND OAKS, CA 91360
Ventura County (833) 239-3552
MRS. DONNA CORSETTI RIEDER M.F.T.
Marriage & Family Therapist
155 E WILBUR RD
THOUSAND OAKS, CA 91360
Ventura County (805) 405-7877

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rylist Inc's NPI number?

The NPI number for Rylist Inc is 1407119670. It was assigned to this organization in the NPPES registry on June 21, 2012. The provider is doing business as La Ventana Treatment Programs.

Where is Rylist Inc located?

Rylist Inc is located at 155 E Wilbur Rd, Thousand Oaks, CA 91360. The listed phone number is (833) 239-3552.

What is Rylist Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Rehabilitation, Substance Use Disorder, with taxonomy code 261QR0405X.

Does Rylist Inc hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Rylist Inc was last updated on December 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.