Dr. Dennis Kellar, MD
Dr. Dennis Kellar, MD is a critical care medicine specialist in Algonquin, IL and has over 25 years of experience in the medical field. Dr. Kellar has extensive experience in Obstructive Lung Disease, Sleep Apnea, and Interstitial Lung Disease. He graduated from Ross University School of Medicine in 1997. He is affiliated with medical facilities such as Northwestern Medicine McHenry Hospital and Advocate Good Shepherd Hospital. He is accepting new patients and telehealth appointments.
Practice
1340 Ryan Pkwy Algonquin, IL 60102Make an Appointment
At a Glance
- Areas of ExpertiseDr. Kellar specializes in the areas of Critical Care Medicine & Pulmonary Disease. • See board certifications
- Explains Conditions Well
- Offers TelehealthThis doctor offers telehealth appointments. Call the office to schedule an appointment.
- Practices at Top Hospital
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Dr. Kellar's Reviews
Likelihood to recommend Dr. Kellar
3.9
| 5 Star | 67% | 67% |
| 4 Star | 4% | 4% |
| 3 Star | 4% | 4% |
| 2 Star | 2% | 2% |
| 1 Star | 22% | 22% |
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How was your experience with Dr. Kellar?Overall Patient Satisfaction
Likelihood of recommending Dr. Kellar to family and friends is 3.9183674 out of 5
About Me
biography
Dr. Dennis Kellar, MD is a critical care medicine specialist in Algonquin, IL and has over 25 years of experience in the medical field. Dr. Kellar has extensive experience in Obstructive Lung Disease, Sleep Apnea, and Interstitial Lung Disease....read moreCritical Care Medicine
Pulmonary Disease
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Ross University School Of Medicine
Medical School, 1997
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkFocus on Asthma
Locations
Practice
Affiliated Hospitals
- Recipient of 8
hospital awardsPatient Safety Excellence Award™ (2025)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all awardsOutstanding Patient Experience Award™ (2024, 2022)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all patient feedbackHow patients felt about the care they received at this hospital.
87%Patients said they were given information about recovering at home3% higher than the national average
80%Patients would recommend the hospital to friends and family15% higher than the national average
- Recipient of 26
hospital awardsView all awardsAmerica's 250 Best Hospitals Award™ (2025, 2024, 2023)
Top 5% in the nation for consistently delivering clinical quality
View all patient feedbackHow patients felt about the care they received at this hospital.
89%Patients said they were given information about recovering at home5% higher than the national average
79%Patients said that nurses always listened to them and explained things well4% higher than the national average
- Recipient of 33
hospital awardsAmerica’s 100 Best Hospitals for Cardiac Care Award™ (2025, 2024, 2023)
Superior clinical outcomes in heart bypass surgery, coronary interventional procedures, heart attack treatment, heart failure treatment, and heart valve surgery
View all awardsAmerica's 100 Best Hospitals Award™ (2025)
Superior clinical outcomes in heart bypass surgery, coronary interventional procedures, heart attack treatment, heart failure treatment, and heart valve surgery
View all patient feedbackHow patients felt about the care they received at this hospital.
88%Patients said they were given information about recovering at home4% higher than the national average
79%Patients said that nurses always listened to them and explained things well4% higher than the national average
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