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Dr. Dennis Kellar, MD Visit Healthgrades for information on Dr. Dennis Kellar, MD. Find Phone & Address information, medical practice history, affiliated hospitals and more.

Specializes in Critical Care Medicine • Male • Age 46

360 Station Dr Ste 230
Crystal Lake, IL 60014
OverviewExperienceHospital QualityPatient SatisfactionAppointments & Offices

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Dr. Kellar:


Dr. Kellar's Experience

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Hospital Quality

The right hospital is as important as the right doctor

Advocate Good Shepherd Hospital
450 W Il Route 22
Barrington, IL 60010
Centegra Hospital - McHenry
4201 W Medical Center Dr
McHenry, IL 60050

See All 4 Hospital Locations

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9 Facts About Hospital Quality

Patients’ risk of dying during a hospital stay for heart bypass surgery could be 87.4% lower, on average, at a hospital rated 5 stars compared to a hospital rated 1 star for that procedure. Choosing the right hospital is critical to your health. View Slideshow


Patient Satisfaction

Patients' feedback on their experience with Dr. Kellar


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?

  • Yes
NW Pulmonary Sleep Wellness
NW Pulmonary Sleep Wellness
360 Station Dr Ste 230
Crystal Lake, IL 60014
Northwest Pulmonary & Sleep Med
Northwest Pulmonary & Sleep Med
4 Executive Ct Ste 3
South Barrington, IL 60010
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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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