Dr. Jonnel R. Constantino, MD

Dr. Jonnel R. Constantino, MD http://cdn.hgimg.com/img/silhouettes/silhouette-male_w120h160_v1.jpg Visit Healthgrades for information on Dr. Jonnel R. Constantino, MD. Find Phone & Address information, medical practice history, affiliated hospitals and more.

Specializes in Internal Medicine • Male

9961 Sierra Ave
Fontana, CA 92335
OverviewExperienceHospital QualityPatient SatisfactionAppointments & Offices

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Dr. Constantino:


Dr. Constantino's Experience

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Hospital Quality

The right hospital is as important as the right doctor

Kaiser Permanente Fontana Medical Center
9961 Sierra Avenue
Fontana, CA 92335

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9 Facts About Hospital Quality

You have an 85.6% lower risk of dying at a hospital with 5-stars for heart bypass surgery compared to a hospital with 1-star. Choosing the right hospital is critical to your health. View Slideshow


Patient Satisfaction

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8 Facts About Patient Satisfaction Surveys

Patient satisfaction surveys provide a standardized way of reporting about healthcare experiences. But there can be more than meets the eye when reviewing scores. Here's what you should know


Appointments & Offices

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Accepting new patients?

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MMR Medical Group
MMR Medical Group
1310 Hanna Ave Suite 1
Corcoran, CA 93212
9961 Sierra Ave
Fontana, CA 92335
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7 Tips to Prepare for Your Appointment

The key to a successful appointment is communication. To get the most out of your visit, prepare ahead of time so you can lead the conversation with your doctor. These 7 tips will get you ready

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