Hillside Management Services LLC
NPI 1083296636 · Substance Abuse Rehabilitation Facility · Mission Viejo, CA
Hillside Management Services LLC is a Substance Abuse Rehabilitation Facility organization in Mission Viejo, CA (NPI 1083296636).
Provider details
- NPI number
- 1083296636
- Entity type
- Organization
- Primary specialty
- Substance Abuse Rehabilitation FacilityResidential Treatment Facilities
- Organization subpart
- No
- Authorized official
- Nicholas Petrillo, Owner/Cmo(888) 979-9503
Specialties & taxonomies
Residential Treatment Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-04-23
- Last updated
- 2024-03-27
- Certified
- 2024-01-03
Frequently asked questions
- What is Hillside Management Services LLC's NPI number?
- Hillside Management Services LLC's National Provider Identifier (NPI) is 1083296636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Hillside Management Services LLC?
- Hillside Management Services LLC is classified in the NPPES registry as Substance Abuse Rehabilitation Facility (Residential Treatment Facilities).
- Where is Hillside Management Services LLC located?
- Hillside Management Services LLC's practice location on file with NPPES is 23371 Rockrose, Mission Viejo, CA 92692-1686.
- What is Hillside Management Services LLC's phone number?
- The practice phone number listed in the NPPES registry for Hillside Management Services LLC is (866) 614-7850.
- Who is the authorized official for Hillside Management Services LLC?
- The authorized official listed on Hillside Management Services LLC's NPPES record is Nicholas Petrillo, Owner/Cmo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Hillside Management Services LLC's NPI active?
- Yes — Hillside Management Services LLC's NPI (1083296636) is active in the NPPES registry as of the last update on 2024-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.