Dr. Dennis Kellar, MD

Dr. Dennis Kellar, MD

Critical Care Medicine | Male | 47 years old

30 reviews| Leave a review

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Care Philosophy

Dr. Kellar specializes in Critical Care Medicine and practices in Crystal Lake, IL. He practices at 2 locations.

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Dr. Kellar's Experience

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Experience Match

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3
Specialties

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1
Board Certifications

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56
Conditions Treated

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Procedures Performed

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Background Check

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Education

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Awards & Recognition

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Memberships & Professional Affiliations

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Visiting Dr. Kellar

Dr. Kellar accepts 8 insurance carriers

Affiliated Hospitals

Hospital Quality

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Dr. Kellar's Reviews

Likelihood of recommending Dr. Kellar to family and friends
3.1
based on 30 total surveys (6 with reviews)
Key Survey Insights
  • Trustworthiness
     (30)
  • Helpfulness
     (30)
  • Staff
     (30)
  • Scheduling
     (30)
Experience with Dr. Kellar
  • Level of trust in provider's decisions
     (30)
  • How well provider explains medical condition(s)
     (30)
  • How well provider listens and answers questions
     (30)
  • Spends appropriate amount of time with patients
     (30)
Dr. Kellar's Office & Staff
  • Ease of scheduling urgent appointments
     (30)
  • Office environment, cleanliness, comfort, etc.
     (30)
  • Staff friendliness and courteousness
     (30)
  • Total wait time (waiting & exam rooms)
    16 – 30 minutes (29)
Open Full Survey+
Carpentersville, IL |
Initial meetings (2) were fine. Would you wait for OVER an hour in an exam room and have no one tell you what's going on? Would you accept a doctor who says that your numbers a fine despite the fact that you're telling the doctor that you aren't getting any sleep? Would you trust a doctor who bills your insurance even though they didn't see you? Receptionist staff has to be one of the rudest group I've ever come across.
in Lake County, Illinois |
Dr. Kellar seems to be both personable and knowledgeable. I have tremendous faith in him. I have found that his office and support staff is just terrible. There is a tremendous disconnect between Doctor, staff, and patient. Why should a simple question take multiple calls to the office and several days waiting to be answered??
in Cary, IL |
Dr. Keller found and treated a condition I had with sleep apnea, needing oxygen at night. My life has been vastly improved. Iam greatly appreciative for having found him ,the nurse practitioner Amanda , great practice , and their professiona staff and kind manner .
in Lake in the Hills, IL |
I was surprised how easy it was to get an appointment within a short amount of time. I didn't have to wait long in the office to see Dr Kellar like I do at other specialists. He answered all my questions but still made my appointment quick and concise. I also had experience with his respiratory therapist Melissa, she was great as well. All around a great couple of visits!!
in Huntley, IL |
The Doctor is ok but the staff is poorly trained in customer service and have even taken parts of a device that of course I was billed for. and getting to talk with their billing Department is a joke 10 calls and always get their voicemail promising to call back and never do.
in Crystal Lake, IL |
Some staff seem to not listen well and rush you through the processes
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Dr. Kellar's experience matches your search based on the following criteria:

  •  Based on total number of patients treated over the last 12 months
  •  Specializes in Critical Care Medicine
  •  Board certified in Critical Care Medicine
  •  No malpractice claims found
  •  No sanctions found
  •  No board actions found

Awards & Recognition

  • Awards & Honors
    • Healthgrades Honor Roll
    What is a recognized doctor
  • Media & Publications

    Dr. Kellar has no media or publications listed.

Background Check

  • 0
    Malpractice Claims

    No malpractice history found for Illinois.

    What is medical malpractice
  • 0
    Sanctions

    No sanctions history found for the years that Healthgrades collects data.

    What is a sanction or disciplinary action
  • 0
    Board Actions

    No board actions found for the years that Healthgrades collects data.

    What are board actions

Background Check

Why It Matters: Dr. Kellar's Board Certifications

Board certification should be one of your top considerations when choosing a doctor. Board certification is an official recognition given to doctors who have met specific requirements set by national medical specialty boards in the... More

  • Critical Care Medicine

Conditions Treated

  • Abscess
  • Acidosis
  • Acute Bronchitis
  • Acute Lower Respiratory Infection
  • Acute Pharyngitis
  • Alkalosis
  • Asbestosis
  • Asthma
  • Autoimmune Diseases
  • Blastomycosis
  • Bronchiectasis
  • Bronchitis
  • Bronchospasm
  • COPD (Chronic Obstructive Pulmonary Disease)
  • Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
  • Classic Polyarteritis Nodosa
  • Collapsed Lung (Pneumothorax)
  • Common Cold
  • Cough
  • Emphysema
  • Empyema
  • Fungal Infections
  • 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 Hypertension
  • Pulmonary Incompetence
  • Respiratory Failure
  • Respiratory Syncytial Virus
  • Sarcoidosis
  • Shortness of Breath
  • Sinusitis
  • Sleep Apnea
  • Sleep Disorders
  • Thrombosis
  • Tuberculosis
  • Valley Fever
  • Vascular Disease
  • Wegener's Granulomatosis
  • Wheezing

Education

  • Medical School
    Ross U Sch Of Med

    Graduated in 1997

  • Internship Hospital
    Cook Cty Hosp
  • Residency Hospital
    Cook Cty Hosp

    Completed in 2001

  • Fellowship Hospital
    Rush University Medical Center

    Completed in 2004

Languages Spoken

  • English

Memberships &
Professional Affiliations

Dr. Kellar does not have any memberships or affiliations listed. If you are Dr. Kellar and would like to add memberships or affiliations, please update your free profile.

Specialties

  • Critical Care Medicine
  • Pulmonology
  • Sleep Medicine

Procedures Performed

  • Arterial Blood Gas Test (ABG)
  • Bronchoscopy
  • Continuous Positive Airway Pressure (CPAP)
  • Pulmonary Function Test
  • Respiratory Management
  • Thoracentesis
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