Dr. Mario O. Belledonne, MD http://www.healthgrades.com/public/images/hgbug_200x200.png Visit Healthgrades for information on Dr. Mario O. Belledonne, MD. Find Phone & Address information, medical practice history, affiliated hospitals and more.

Specializes in Critical Care Medicine - Male - Age 67

121 Congressional Ln Suite 205
Rockville, MD 20852
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Dr. Belledonne's Background

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Hospital Quality

The right hospital is as important as the right doctor

Holy Cross Hospital
1500 Forest Glen Road
Silver Spring, MD 20910
Howard County General Hospital
5755 Cedar Lane
Columbia, MD 21044

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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

Appointments & Offices

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121 Congressional Ln Suite 205
Rockville, MD 20852
8630 Fenton St Suite 238
Silver Spring, MD 20910
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7 Tips to Prepare for Your Appointment

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