Dianna Mak, DO

Family Medicine

Inland Region Medical Group

Optum Care Network - Inland Valley

Call to Enroll in Medicare AdvantageQuestions? Call a licensed insurance agent at 844-575-1504, TTY 771
Call to Enroll in Medicare AdvantageQuestions? Call a licensed insurance agent at 844-575-1504, TTY 771

Languages Spoken

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English

Clinic Phone

:
Expand phone tooltip
Please call 844-575-1504, TTY 771 for any questions around finding a doctor or enrolling in a plan that works for you

Our Location

Inland Region Medical Group

9089 Base Line Rd, Rancho Cucamonga CA 91730
Get directions to Dianna Mak, DO at 9089 Base Line Rd Rancho Cucamonga, CA

Medical School

Michigan State University

Care Designed Around You

We personalize care around your unique health goals, lifestyle and medical conditions. Your doctor works with the latest data, science and technology to help you get the care and treatments you need to prevent illness. Your doctor and care team will help you get better care because keeping you healthy is our greatest reward.