Optum, formerly Pinnacle Medical Group, physicians, who practiced in the Inland Empire for many years, joined together in 1998 to open their own offices in San Bernardino, Rialto and Fontana. In 2005, Pinnacle expanded into the city of Rancho Cucamonga and Yucaipa. After a merger with United Family Care in 2014, over 20 primary care physicians in Internal Medicine, Family Medicine and Pediatrics practice medicine at Optum. Optum offers many services to patients such as:
- A Nurse Advice Unit that patients can call for advice any night, weekend or holiday
- Multiple Urgent Care Centers, most open 7 days a week/365 days a year
- Yearly flu clinics
- Most HMO plans, over 100 PPO plans and Medicare accepted.