Mountainside Operating Company, LLC
NPI 1477547750 · Skilled Nursing Facility · San Bernardino, CA
Mountainside Operating Company, LLC is a Skilled Nursing Facility organization in San Bernardino, CA (NPI 1477547750).
Provider details
- NPI number
- 1477547750
- Entity type
- Organization
- Primary specialty
- Skilled Nursing FacilityNursing & Custodial Care Facilities
- Organization subpart
- No
- Authorized official
- Stephen Reissman, Trustee of Managing Member(310) 574-3733
- License
- 240000136 (CA)
Specialties & taxonomies
Nursing & Custodial Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Other names (DBA / former)
- Doing business as
- Country Villa Hacienda Healthcare Center
Registry dates
- Enumerated
- 2005-09-01
- Last updated
- 2014-02-04
Frequently asked questions
- What is Mountainside Operating Company, LLC's NPI number?
- Mountainside Operating Company, LLC's National Provider Identifier (NPI) is 1477547750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mountainside Operating Company, LLC?
- Mountainside Operating Company, LLC is classified in the NPPES registry as Skilled Nursing Facility (Nursing & Custodial Care Facilities).
- Where is Mountainside Operating Company, LLC located?
- Mountainside Operating Company, LLC's practice location on file with NPPES is 1311 E Date St, San Bernardino, CA 92404-4233.
- What is Mountainside Operating Company, LLC's phone number?
- The practice phone number listed in the NPPES registry for Mountainside Operating Company, LLC is (909) 882-3316.
- Who is the authorized official for Mountainside Operating Company, LLC?
- The authorized official listed on Mountainside Operating Company, LLC's NPPES record is Stephen Reissman, Trustee of Managing Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mountainside Operating Company, LLC's NPI active?
- Yes — Mountainside Operating Company, LLC's NPI (1477547750) is active in the NPPES registry as of the last update on 2014-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.