Come on in!

We’re proud to tell you that Pinnacle Medical Group has joined the Optum family and that our name has changed to Optum. Just like Pinnacle Medical Group, Optum strives to make health care simpler and help people feel their best.

To learn more about Optum, please visit

Patient Portal

Online portal for booking appointments, test results, doctor messaging and more.

Urgent Care

Our Urgent Care is open 365 days a year to better serve your family.

Meet Our Doctors

Family Practice, Pediatric, Internal Medicine and other specialties.

white syringe

Book your flu shot today!

Call 909-822-2323

New Patients Welcome

Learn how to join Optum, formerly Pinnacle Medical Group, or make an appointment for existing members.

Welcome to Optum, formerly Pinnacle Medical Group

Come on in for Urgent Care and Family Care with Pediatric, Family and Internal Medicine doctors that accept most insurances including Medicare, Employer and Medi-Cal plans. Locations in Fontana, Rialto, San Bernardino, Yucaipa and Rancho Cucamonga.

Meet our doctors and see the difference that comes with a team that cares. Learn more

Pinnacle Medical Group offers personal care by primary care physicians and at their Urgent Care Centers. Learn More

From our online patient portal to urgent care centers and preventative care providers, Pinnacle Medical Group provides services to be your complete medical care provider. Learn More

Patient Testimonials