Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

HILLSIDE MANAGEMENT SERVICES LLC
NPI 1083296636
Substance Abuse Rehabilitation Facility in Mission Viejo, CA

Active since April 23, 2021CLIA 05D2160468 · Waiver
23371 ROCKROSE, MISSION VIEJO, CA 92692(866) 614-7850 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 27, 2026, Sep 22, 2021, Apr 23, 2021 (3 updates tracked since 2021).

About Hillside Management Services Llc NPPES

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

HILLSIDE MANAGEMENT SERVICES LLC (NPI 1083296636) is a healthcare organization registered as a substance abuse rehabilitation facility in Mission Viejo, California and active in the NPI registry since April 2021. The organization holds a CLIA Waiver certificate valid through January 10, 2027 and lists Colin Mcbride, Cro, as its authorized official.

NPPES Registry Identity

NPI1083296636
Entity TypeOrganization
Primary Taxonomy324500000X
Legal Business NameHILLSIDE MANAGEMENT SERVICES LLC
Location Address23371 ROCKROSEMission Viejo, CA 92692-1686
Mailing Address5201 Congress Ave Ste 275Boca Raton, FL 33487-3609 · (866) 853-7961
Organization SubpartNo
Authorized OfficialColin McbrideCro · (631) 672-7441
Enumeration DateApril 23, 2021
Last NPPES UpdateJuly 27, 20263 updates tracked since enumeration
NPPES CertifiedJuly 27, 2026
NPI 1083296636 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySubstance Abuse Rehabilitation FacilityResidential Treatment Facilities
Taxonomy Code324500000X
Definition
A facility or distinct part of a facility that provides a 24 hr therapeutically planned living and rehabilitative intervention environment for the treatment of individuals with disorders in the abuse of drugs, alcohol, and other substances.
23371 ROCKROSE, Mission Viejo, CA 92692

CLIA Laboratory Certificates CMS CLIA

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 05D2160468

Hillside Management Services LLC · Mission Viejo, CA
Active · expires Jan 10, 2027
CLIA Number05D2160468
Laboratory TypeDetox & Residential Sud
Certificate Effective DateJanuary 11, 2025
Certificate Expiration DateJanuary 10, 2027
Laboratory DirectorColleen Weissmann
Laboratory Phone(909) 837-2354
Laboratory LocationHillside Management Services LLC23371 Rockrose, Mission Viejo, CA 92692
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

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

Substance Abuse Rehabilitation Facility
23371 ROCKROSE
MISSION VIEJO, CA 92692

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 Hillside Management Services LLC's NPI number?

The NPI number for Hillside Management Services LLC is 1083296636. It was assigned to this organization in the NPPES registry on April 23, 2021.

Where is Hillside Management Services LLC located?

Hillside Management Services LLC is located at 23371 Rockrose, Mission Viejo, CA 92692. The listed phone number is (866) 614-7850.

What is Hillside Management Services LLC's specialty?

The primary specialty registered for this NPI is Substance Abuse Rehabilitation Facility with taxonomy code 324500000X.

Does Hillside Management Services LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2160468) is associated with this NPI, valid through January 10, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Hillside Management Services LLC was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.