According to our records, this business is located at 525 N Laurel Ave. in Ontario (in San Bernardino County), California 91762, the location GPS coordinates are: 34.0690299 (latitude), -117.6526881 (longitude). Ontario Multi Specialty is categorized under Health Services (SIC code 8099). Known organization owner is Shirley Villarica. Current estimates show that the unit has a sales volume of $560,000 and staff of approximately 5 people. You can contact the company by phone at (909) 460-9202.