
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Kellar, Pulmonologist in Algonquin, IL?
Dr. Dennis Kellar, MD is a Pulmonologist, who primarily practices in Algonquin, IL. Dr. Kellar completed his residency at Cook County Hospital Program. Dr. Kellar is fluent in English, and is currently seeing new patients. Dr. Kellar’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Kellar’s office.
Where did Dr. Kellar go to medical school and complete their residency?
Residency: Cook County Hospital Program
What languages does Dr. Kellar speak?
Dr. Kellar and their clinical team can communicate with patients in the following languages:
English
What conditions does a Pulmonologist like Dr. Kellar typically treat?
As a Pulmonologist, Dr. Kellar diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Kellar. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Obstructive Sleep Apnea
- Sleep Apnea
- Obstructive sleep apnea
- OSA
- Blocked airway during sleep
- Snoring and gasping during sleep
ICD-10 Codes:
- G4733: Obstructive sleep apnea (adult) (pediatric)
Also known as:
- COPD
- Chronic Obstructive Pulmonary Disease
- Chronic Lung Disease
- Emphysema and Chronic Bronchitis
ICD-10 Codes:
- J449: Chronic obstructive pulmonary disease, unspecified
Also known as:
- Asthma
- Reactive Airway Disease
- Bronchial Asthma
- Allergic Asthma
ICD-10 Codes:
- J45909: Unspecified asthma, uncomplicated
Also known as:
- Difficulty Breathing When Lying Down
- Shortness of Breath
- Breathing Problems
- Orthopnea
- Shortness of breath when lying flat
- Trouble breathing lying down
- Difficulty breathing
- Breathlessness
- Dyspnea
ICD-10 Codes:
- R0601: Orthopnea
- R0602: Shortness of breath
Also known as:
- Other Abnormal Findings on Lung Scan
- Single Lung Nodule
- Lung Disease
- Unusual Lung Scan Results
- Atypical Lung Imaging
- Nonspecific Lung Abnormality
- Lung Spot
- Pulmonary Nodule
- Spot on Lung Scan
ICD-10 Codes:
- R918: Other nonspecific abnormal finding of lung field
- R911: Solitary pulmonary nodule
Also known as:
- Cough
- Coughing
- Persistent cough
- Chronic cough
ICD-10 Codes:
- R059: Cough, unspecified
What procedures does a Pulmonologist like Dr. Kellar typically perform?
As a Pulmonologist, Dr. Kellar performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Kellar. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Bronchoscopy with Lung Wash (BAL)
- Bronchoscopy with Brushing
- Bronchoscopy with Airway Suctioning
- Bronchoscopy and Bronchoalveolar Lavage (BAL)
- Fluoroscopy
- Bronchial lavage
- BAL procedure
- Lung washing
- Flexible bronchoscopy
- Bronchial brushing
- Lung scope with biopsy
- Flexible bronchoscopy with brushing
- Therapeutic Bronchoscopy
- Airway Aspiration
- Lung Secretion Removal
CPT Codes:
- 31624: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with bronchial alveolar lavage
- 31623: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with brushing or protected brushings
- 31645: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with therapeutic aspiration of tracheobronchial tree, initial
Also known as:
- Lung Biopsy with Bronchoscopy
- Lung Biopsy During Bronchoscopy (Additional Lobe)
- Biopsy
- Bronchoscopy and Bronchoalveolar Lavage (BAL)
- Fluoroscopy
- Transbronchial Biopsy
- Bronchoscopic Lung Biopsy
- Lung Tissue Sample via Scope
- Bronchoscopic Lung Tissue Sample
- Lung Biopsy via Scope
CPT Codes:
- 31628: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with transbronchial lung biopsy(s), single lobe
- 31632: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with transbronchial lung biopsy(s), each additional lobe (List separately in addition to code for primary procedure)
Also known as:
- Lung or Chest Biopsy
- Biopsy
- Percutaneous lung biopsy
- Mediastinum core needle biopsy
- Image-guided lung biopsy
CPT Codes:
- 32408: Core needle biopsy, lung or mediastinum, percutaneous, including imaging guidance, when performed
Also known as:
- Swallowing Study (Videofluoroscopy)
- Dysphagia Tests
- Videofluoroscopic Swallowing Study (VFSS)
- Modified Barium Swallow (MBS)
- Dysphagia Evaluation
CPT Codes:
- 92611: Motion fluoroscopic evaluation of swallowing function by cine or video recording
Does Dr. Kellar accept my insurance?
Dr. Kellar accepts most major insurance plans. Important: Please contact the office before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Kellar accept in Algonquin, IL?
Dr. Kellar in Algonquin, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cigna Group
Corporate Services
Health Care Service Corporation
Humana
Medicare
State of Illinois
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Kellar's office located?
What hospitals are Dr. Kellar affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Kellar has admitting privileges at the following hospitals:
Northwestern Medicine Mchenry Hospital,McHenry, IL
Ranked in 2 Specialties

Ranked in 4 Procedures

Ranked in 2 Specialties
Ranked in 4 Procedures
Advocate Good Shepherd Hospital,Barrington, IL
Ranked in 3 Specialties

Ranked in 4 Procedures

Ranked in 3 Specialties
Ranked in 4 Procedures
Northwestern Memorial Hospital,Chicago, IL
Ranked in 4 Procedures

Ranked in 4 Procedures
Advocate Sherman Hospital,Elgin, IL
Ranked General Surgery

Ranked in 2 Procedures

Ranked General Surgery
Ranked in 2 Procedures
Northwestern Medicine Lake Forest Hospital,Lake Forest, IL
Gold Standard Top Hospital

Ranked in 2 Specialties

Ranked in 3 Procedures

Gold Standard Top Hospital
Ranked in 2 Specialties
Ranked in 3 Procedures
Northwestern Medicine Kishwaukee Hospital,DeKalb, IL
Ranked General Surgery

Ranked Hernia Repair Surgery

Ranked General Surgery
Ranked Hernia Repair Surgery
What is Dr. Kellar's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Kellar's National Provider Identifier (NPI) number is 1679683866.
What common questions do patients ask about Dr. Kellar?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Kellar
What is Dr. Dennis Kellar's specialty?
Dr. Kellar is a Pulmonologist near Algonquin, IL.
What does a Pulmonologist do?
An internist specializing in the treatment of lung and airway diseases. The pulmonologist diagnoses and manages conditions such as cancer, pneumonia, pleurisy, asthma, occupational and environmental illnesses, bronchitis, sleep disorders, emphysema, and other complex lung disorders.
Is Dr. Dennis Kellar affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Kellar is affiliated with Northwestern Medicine Mchenry Hospital, Advocate Good Shepherd Hospital, Northwestern Memorial Hospital, Advocate Sherman Hospital, Northwestern Medicine Lake Forest Hospital, Northwestern Medicine Kishwaukee Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Pulmonologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Pulmonologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Dr. Dennis Kellar accepting new patients in Algonquin, IL?
Yes, Dr. Dennis Kellar is accepting new patients at this time.
Does Dr. Dennis Kellar offer online booking?
Please contact Dr. Kellar's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. Dennis Kellar?
Please contact Dr. Kellar's office to schedule an appointment.
Where is Dr. Kellar's office located?
Dr. Kellar's office is located in Algonquin, IL.
Other Pulmonologist Near Algonquin, IL

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Connect with Dr. Kellar
1340 Ryan Pkwy
Algonquin, IL 60102