Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Ontario Operating Company Inc

Organization Assisted Living Facility · NPI 1962499202

Ontario Operating Company Inc is an Assisted Living Facility in Ontario, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1661 S Euclid Ave
Ontario, CA 91762-5826
Phone: (909) 984-6713
Fax: (909) 984-5254
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Assisted Living Facility (primary) Taxonomy 310400000X (CA)

Record details

NPI number1962499202
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Robert Reiss — Manager · (818) 368-5200
Other names Ontario Healthcare Center
NPI enumeratedOctober 3, 2005
Last updated in NPPESJanuary 29, 2008
Mailing address1661 S Euclid Ave, Ontario, CA 91762-5826

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