Summary

Dr. Dennis Kellar specializes in pulmonology, focusing on lung health and respiratory conditions. They completed their medical residency at Cook County Hospital, gaining comprehensive training in internal medicine and pulmonary care. Dr. Kellar speaks English and serves patients throughout the region.

Dr. Kellar is affiliated with Ascension Saint Alexius and practices at multiple Northwestern Medicine locations across South Barrington, Crystal Lake, Huntley, and McHenry, Illinois. They treat patients with sleep apnea and obstructive sleep apnea, including children with sleep disorders. Dr. Kellar performs pulmonary function testing and bronchodilator reversibility testing to evaluate lung capacity and breathing issues. Patients have given them an average rating of 3.4 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.4
  • 48 insurance plans accepted
  • speaks English
  • Cook County Hospital
  • 14 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 1 hospital affiliation
  • 8 office locations

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Dennis F Kellar has 8 locations

Northwest Pulmonary & Sleep Medicine

4 Executive Ct Ste 3South Barrington, IL 60010
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Northwest Pulmonary & Sleep Medicine

360 Station DrCrystal Lake, IL 60014
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Nw Pulmonary And Sleep Medicine Sc

360 Station Dr Ste 230Crystal Lake, IL 60014

Dennis F Kellar Md

1340 Ryan PkwyAlgonquin, IL 60102

Northwestern Medicine Regional Medical Group

10400 Haligus Rd Prentice Women's Hospital, 4th FlrHuntley, IL 60142

Northwestern Medicine Regional Medical Group

4201 Medical Center Dr Prentice Women's Hospital, 4th FlrMcHenry, IL 60050

Northwestern Medicine Regional Medical Group

10400 Haligus RdHuntley, IL 60142

Northwestern Medicine Regional Medical Group

4201 W Medical Center DrMchenry, IL 60050

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Dr. Dennis F Kellar, MDDr. Amit Goyal, MDDr. Lawrence Alan Rudnick, MDDeborah J Willner
PulmonologyCritical Care MedicineCritical Care MedicinePulmonology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.4 
4.9 
3.6 
20 Years of Experience 38 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English, Spanish, Tagalog Speaks English, Spanish
South Barrington , ILMaywood , ILDes Plaines , ILPalos Park , IL
Med School: Rush Medical College Of Rush University Medical Center Med School: University Of Illinois At Chicago College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Dennis F Kellar

  • Accepts Medicare
  • AARP
  • Aetna
  • Aetna Better Health
  • Aetna Better Health - Medicaid
  • Aetna Better Health - Medicaid (Managed)
  • Anthem Blue Cross and Blue Shield of Georgia
  • Ascension Health
  • Ascension Health - PPO
  • Assurant Health
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Nebraska
  • CHAMPVA
  • Cigna
  • Cigna-HealthSpring
  • Dean Health Plan
  • Devoted Health
  • Golden Rule
  • Health Alliance
  • Healthlink
  • Healthlink - PPO
  • HealthPartners - EPO
  • Humana
  • Humana - Medicare (Advantage HMO)
  • Medica
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meridian Health Plan
  • Meridian Health Plan - Medicaid (Managed)
  • Meritain Health
  • Mutual of Omaha
  • Nippon Life Benefits
  • Partners Health Plan - HMO
  • Priority Health
  • Provider Partners Health Plan
  • STLDentalPlan| LLC
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthOne
  • Wellcare
  • Wellcare - Medicaid (Managed)
  • Zing Health
  • Zing Health - HMO

Medical Specialties

Dr. Dennis F Kellar has the following specialty

Specialty Expertise

Dr. Dennis F Kellar has the following 11 areas of expertise

  • Angiographic Visualization
  • Asthma
  • Chest Infection
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Emphysema
  • Insomnia
  • Pneumonia
  • Pulmonary Function Test
  • Sleep Disorders
  • Smoking Cessation
  • Tuberculosis (TB)

Certifications, License, & Education

Education & Training

Residency

Completed their residency at Cook County Hospital.

NPI Number

Dr. Kellar's NPI number is 1679683866.

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Frequently Asked Questions

Does Dr. Dennis Kellar accept my insurance?
You can see the insurance plans that Dr. Dennis Kellar accepts on their Vitals profile.
How can I make an appointment with Dr. Dennis Kellar?
You can find contact information for Dr. Dennis Kellar here on Vitals.
What languages does Dr. Dennis Kellar speak?
Dr. Dennis Kellar speaks English.
Which hospitals is Dr. Dennis Kellar affiliated with?
Dr. Dennis Kellar is affiliated with Ascension Saint Alexius.
Where is Dr. Dennis Kellar's office located?
Dr. Dennis Kellar's office is located at 4 Executive Ct Ste 3, South Barrington, IL, 60010.

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