Health care
We provide affordable and personalized care
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11 things to keep in mind for a more healthy lifestyle More articles
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Accounts to help you save and pay for health care expenses
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Manage your account on the go
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We make it easy to get medications you need, when and where you need them
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Request refills, track order status, manage billing information and much more.

Customer support

Derrick Raptis, MD

Chaparral Medical Group, Inc.

Optum Care Network California

Address

:

8330 Red Oak St,

Rancho Cucamonga, CA, 91730

Languages Spoken

:

English

Clinic Phone

:

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Accepts most Medicare plans

Medical School

St George's University School of Medicine

Internship

Drexel University College of Medicine/ Hahnemann University Hospital

Fellowship

New York University

Board Name

American Board of Internal Medicine

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.

Our Location

Chaparral Medical Group, Inc.

8330 Red Oak St, Rancho Cucamonga CA 91730