Accepting new patients

Dr. Dennis Kellar, MD

Critical Care Medicine ·  Male · Age 49

Dr. Kellar

Dr. Dennis Kellar, MD is a critical care medicine specialist in Crystal Lake, IL and has been practicing for 15 years. He graduated from Ross U Sch Of Med in 1997 and specializes in critical care medicine, pulmonary disease, and more.


Accepting new patients


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(815) 477-7350

Dr. Kellar accepts the following insurance:

Aetna
Aetna HMO
Choice Plus POS II
Blue Cross Blue Shield
Blue Card PPO
Cigna
Cigna HMO
Cigna PPO
LocalPlus
Open Access Plus
Coventry Health Care
Coventry Health America PPO
First Health (Coventry Health Care)
First Health (Coventry Health Care) PPO
HealthLink
HealthLink PPO
Humana
Choice Care PPO
MultiPlan
MultiPlan PPO
PHCS Network PPO
Priority Health
Priority PPO

Background Check

No malpractice claims found for Illinois
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
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Experience Check

Check if Dr. Kellar treats your condition or procedure

Dr. Kellar's conditions and procedures:

  • Abscess
  • Acidosis
  • Acute Bronchitis
  • Acute Lower Respiratory Infection
  • Acute Pharyngitis
  • Acute Upper Respiratory Infection
  • Alkalosis
  • Arterial Blood Gas Test (ABG)
  • Asbestosis
  • Asthma
  • Autoimmune Diseases
  • Blastomycosis
  • Bronchiectasis
  • Bronchiolitis
  • Bronchitis
  • Bronchoscopy
  • Bronchospasm
  • Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
  • Classic Polyarteritis Nodosa
  • Collapsed Lung (Pneumothorax)
  • Common Cold
  • Continuous Positive Airway Pressure (CPAP)
  • COPD (Chronic Obstructive Pulmonary Disease)
  • Cough
  • Emphysema
  • Empyema
  • Eosinophilic Asthma
  • Fungal Infections
  • Histoplasmosis
  • Hypersensitivity Pneumonitis
  • Influenza (Flu)
  • Interstitial Lung Disease
  • Low Blood Oxygen Level
  • Lung Abscess
  • Lung Cancer
  • Lung Neoplasms, Not Specified as Malignant
  • Lung Nodule
  • Metastatic Respiratory System Cancer
  • Mycobacterial Lung Infection
  • Partial Lung Collapse
  • Pleural Effusion
  • Pneumoconiosis and Pneumonopathy
  • Pneumonia
  • Pneumonitis (Due to Solids or Liquids)
  • Primary Pulmonary Hypertension
  • Pulmonary Disease
  • Pulmonary Edema
  • Pulmonary Embolism
  • Pulmonary Function Test
  • Pulmonary Hypertension
  • Pulmonary Insufficiency
  • Respiratory Failure
  • Respiratory Management
  • Rheumatoid Lung Disease
  • Sarcoidosis
  • Shortness of Breath
  • Sinusitis
  • Sleep Apnea
  • Sleep Disorders
  • Smoking Cessation Counseling
  • Swine Flu
  • Systemic Sclerosis
  • Thoracentesis
  • Thrombosis
  • Tuberculosis
  • Valley Fever
  • Vascular Disease
  • Viral Infection
  • Wegener's Granulomatosis
  • Wheezing

About Me

Biography

Dr. Dennis Kellar, MD is a critical care medicine specialist in Crystal Lake, IL and has been practicing for 15 years. He graduated from Ross U Sch Of Med in 1997 and specializes in critical care medicine, pulmonary disease, and more.

Specialties

  • Critical Care Medicine
  • Pulmonary Disease
  • Sleep Medicine

Education

Cook Cty Hosp
Internship Hospital
2004
Rush University Medical Center
Fellowship Hospital
2001
Cook Cty Hosp
Residency Hospital
1997
Ross U Sch Of Med
Medical School
2004
2001
1997

Dr. Kellar's Reviews

Likelihood to recommend Dr. Kellar

2.9

Based on 37 reviews

5 Stars
37.83783783783784%
(14)
4 Stars
5.405405405405405%
(2)
3 Stars
8.108108108108109%
(3)
2 Stars
5.405405405405405%
(2)
1 Star
43.24324324324324%
(16)

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Dr. Kellar?
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Average Wait Time
  • 16 – 30 minutes
Dr. Kellar's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Dennis Kellar, MD
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At first, Dr. Kellar cared, then my case got complicated and he got frustrated, even angry. He told me he did not know what to do with me, and shoved me out the door and told me to go elsewhere, what doctor does that?! I'm enormously disappointed that his answer was not to keep trying, but to...Read More
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I did not feel I was treated with respect by the Doctor or a few members of his staff. They came across arrogant and condescending towards me. The doctor gave me 5 minutes between the two visits I had with him. I do feel he gave me the correct diagnosis because it was what my PCP had discussed...Read More
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Dr Kellar is excellent. However it has been a month since my visit and I still cannot get my test results. His staff never called - whencalled I was told I could not speak to the dr - as in” he does not do that”. Really- he doesn’t ever talk on a phone?? So I filled out a form so they could...Read More
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Sadly I spent 11/2 years under the care of Dr. K for sleep apnea and didn't improve but actually got worse. I received little education on the dos and donts like not letting pets in your bed. Though I complained about not feeling refreshed when I awoke, Dr. K never tried changing the pressures....Read More
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Warm, compassionate doctor.
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Affiliated Hospitals

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