Pulmonologist
1340 Ryan Parkway
Algonquin, IL
60102
Top reviews
Dr Kellar and his staff were friendly but professional. He spoke to me about a test I had, and how I had improved. He is having me retake the test in a year to verify the results are the same. He went over the test and what it meaShow morent so that I understood it. I highly recommend anyone that needs to see a Pulmonologist to give Dr. Kellar a chance.
All the staff at the office are friendly, helpful, and willing to take care of all your needs. I cannot say enough about Dr. Kellar except he is fantastic. He takes the time to address all your concerns and is a wealth of knowledShow morege. He truly takes an interest in your health and well-being and is a compassionate person.
Dennis Kellar, MD, is the owner and CEO of Northwest Pulmonary and Sleep Medicine in Algonquin, Illinois. He is a board-certified multispecialty physician, providing his patients with expert care.
Some of his many areas of expertise include trauma/critical care, pulmonary diseases, sleep disorders, and complex long-term respiratory and ventilator care.
Dr. Kellar has been serving the community for over 20 years. He received his bachelor’s degree in biology from the University of South Florida in Tampa, Florida, and his medical degree from Ross University School of Medicine.
Dr. Kellar’s training includes an internal medicine residency at Cook County Hospital and completing pulmonary, critical care, and sleep medicine fellowship as a chief fellow at RUSH University Medical Center in Chicago, Illinois.
Dr. Kellar has served as a clinical assistant professor of medicine at the University of Illinois College of Medicine Rockford in Rockford, Illinois. He is a veteran of the United States Army and served with the 101st airborne division. Dr. Kellar also holds numerous director positions, including medical director for several ventilator care and COVID-19 units in the northwest suburbs.
He served as the previous director of respiratory therapy for Illinois and director of pulmonary sleep services for an extensive health system in Northern Illinois. Dr. Kellar has been published in numerous areas covering pulmonary and critical care and was appointed as a special investigator of the coroner’s office in Mchenry County.
Sleep Studies
Breathing Disorders
CPAP
Chronic Bronchitis
Lung Disease
Pneumonia
Chest X-Ray
Asthma
Sleep Apnea
Pulmonary Disorders
Pulmonary Function Test
Sleep Medicine
Location
Northwest Pulmonary and Sleep Medicine
1340 Ryan Parkway
Algonquin, IL, 60102
More About Dr. Dennis Kellar, MD
NPI Number
1679683866
Reviews
Very good staff and Doctor is reassuring with his diagnosis. Pleasant to to go there.
Very helpful with visit and answers
Dr Kellar and his staff were friendly but professional. He spoke to me about a test I had, and how I had improved. He is having me retake the test in a year to verify the results are the same. He went over the test and what it meant so that I understood it. I highly recommend anyone that needs to see a Pulmonologist to give Dr. Kellar a chance.
Dr Kellar is very thorough and listens to your concerns. I would definitely recommend him.
All the staff at the office are friendly, helpful, and willing to take care of all your needs. I cannot say enough about Dr. Kellar except he is fantastic. He takes the time to address all your concerns and is a wealth of knowledge. He truly takes an interest in your health and well-being and is a compassionate person.
Dr Keller is caring and compassionate. He really takes the time to explain and answer questions. He treats you like you are a person and not number.
Dr. Kellar is an excellent physician. He is caring, knowledgeable and gives each patient time without rushing. He explains pertinent information in layman's language for complete understanding I highly recommend him
Everything was fine with the staff and Dr but sure was a Long seven months of waiting to get My results Thanks to you all Wayne Johnson @ family
Dr Kellar is an excellent Dr. and he is a very caring person. He has helped me so much in the past 5 years. I have and will continue to refer ppl to him.
It’s nice that he takes his time with you and makes sure you understand everything that you’re going through
Dr Kellar is awesome, takes the time to discuss everything you need to know.
Always professional and puncutional
Dr Keller has empathy and truly cares about you.. he listens and takes time to explain..
Everyone was very pleasant and helpful and they realized they really didn't need to see me , So we all laughed, thanked them, and left.
Dr Keller is a wonderful. I don’t even have worse express him. He was very thorough and even helped me with another medical issue. He is fantastic! also, the staff that helps him out. I forgot the medical assistance name, but she was great as well.
Dr. Kellar listens to and answers all your questions thoroughly. Very nice man. Would highly recommend him.
Dr Keller is a rare practitioner who takes the time to actually listen, answer questions and explain to his patients. He does not sit at a computer as is so common these days. He coverses with you and makes eye contact. Very knowledgeable and instills immediate trust. As a retired Nurse Practitioner , who has dealt with physicians for over 40 years, I highly recommend him.for any Pulmonary issues.
I love this practice. Always attentive and his care is superb.
Annual review. Dr. is easy to talk with.
Dr Keller is a great doctor. I have purchased Nicorette lozenges to help me quit smoking.
Dr Kellar is very thorough. Listens intently to my questions. I never feel like he is in a hurry but cares about each of his patients.
Main reason I have Dr.Kellar as my pulmonary specialist is that I have always trusted and admired his accuracy regarding decisions about my respiratory problems.He is also a good listener and very easy to talk to.Thank you Dr .Kellar.
Saved and extended my life. Changed my med. and saved me some money. I am 87 years old thanks in part to Dr. Kellar. Highly recommended by other Physicians also.
Dr Keller spent time with me. Listened to all my questions and he cared. What a wonderful doctor! Highly recommend!
Excellent and knowledgeable. I feel fortunate that I am able to count him as my doctor. He spent a great deal of time with me. Highly recommend.
Dr. Kellar is the best. I recommend him to everyone.
Great & caring doctor that listens to your concerns.
Dr. Kellar and Amanda Law are both professional and personable. I always feel comfortable seeing them both. They both know my chart and ask the important questions. I wouldn't see anyone else. They are the best.
Dr. Kellar was very professional, personable and reassuring.
Dr. Kellar is professional and made some minor changes to my c-pap machine to improve my sleep experience. Staff is pleasant and easy to work with.
