Ontario Operating Company Inc
NPI 1962499202 · Assisted Living Facility · Ontario, CA
Ontario Operating Company Inc is a Assisted Living Facility organization in Ontario, CA (NPI 1962499202).
Provider details
- NPI number
- 1962499202
- Entity type
- Organization
- Primary specialty
- Assisted Living FacilityNursing & Custodial Care Facilities
- Organization subpart
- No
- Authorized official
- Robert Reiss, Manager(818) 368-5200
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
- Ontario Healthcare Center
Registry dates
- Enumerated
- 2005-10-03
- Last updated
- 2008-01-29
Frequently asked questions
- What is Ontario Operating Company Inc's NPI number?
- Ontario Operating Company Inc's National Provider Identifier (NPI) is 1962499202, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ontario Operating Company Inc?
- Ontario Operating Company Inc is classified in the NPPES registry as Assisted Living Facility (Nursing & Custodial Care Facilities).
- Where is Ontario Operating Company Inc located?
- Ontario Operating Company Inc's practice location on file with NPPES is 1661 S Euclid Ave, Ontario, CA 91762-5826.
- What is Ontario Operating Company Inc's phone number?
- The practice phone number listed in the NPPES registry for Ontario Operating Company Inc is (909) 984-6713.
- Who is the authorized official for Ontario Operating Company Inc?
- The authorized official listed on Ontario Operating Company Inc's NPPES record is Robert Reiss, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ontario Operating Company Inc's NPI active?
- Yes — Ontario Operating Company Inc's NPI (1962499202) is active in the NPPES registry as of the last update on 2008-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.