Hillside Mission
NPI 1801328505 · Substance Abuse Rehabilitation Facility · Mission Viejo, CA
Hillside Mission is a Substance Abuse Rehabilitation Facility organization in Mission Viejo, CA (NPI 1801328505).
Provider details
- NPI number
- 1801328505
- Entity type
- Organization
- Primary specialty
- Substance Abuse Rehabilitation FacilityResidential Treatment Facilities
- Organization subpart
- No
- Authorized official
- Ron Girskis, Business Operation Specialist(949) 359-8273
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
9 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
- 2017-03-31
- Last updated
- 2020-10-19
- Certified
- 2020-10-19
Frequently asked questions
- What is Hillside Mission's NPI number?
- Hillside Mission's National Provider Identifier (NPI) is 1801328505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Hillside Mission?
- Hillside Mission is classified in the NPPES registry as Substance Abuse Rehabilitation Facility (Residential Treatment Facilities).
- Where is Hillside Mission located?
- Hillside Mission's practice location on file with NPPES is 23371 Rockrose, Mission Viejo, CA 92692-1686.
- What is Hillside Mission's phone number?
- The practice phone number listed in the NPPES registry for Hillside Mission is (949) 518-3468.
- Who is the authorized official for Hillside Mission?
- The authorized official listed on Hillside Mission's NPPES record is Ron Girskis, Business Operation Specialist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Hillside Mission's NPI active?
- Yes — Hillside Mission's NPI (1801328505) is active in the NPPES registry as of the last update on 2020-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.