JB
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Brennan, Pulmonologist in Exeter, NH?
Dr. John Brennan, MD is a Pulmonologist, who primarily practices in Exeter, NH with 2 additional practice locations. He is board certified. Dr. Brennan graduated from Tufts University School of Medicine and completed his residency at St Francis Hosp Med Ctr, Internal Medicine; Boston City Hosp, Internal Medicine; Worcester City Hosp, General Practice. Dr. Brennan is fluent in English and Arabic, and is currently seeing new patients. Dr. Brennan’s practice accepts Medicaid, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Brennan’s office at (603) 775-0234.
What are Areas of Expertise for Dr. Brennan?
Dr. John Brennan, MD is a highly-rated, board-certified Pulmonologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Brennan empowers patients to confidently navigate their health journey, specializing in Airway Disorders, Lung Cancer, Pulmonary Hypertension, Sepsis & Septic Shock, and comprehensive wellness support. Serving the Exeter, NH community, Dr. Brennan is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Brennan go to medical school and complete their residency?
Residency: St Francis Hosp Med Ctr, Internal Medicine; Boston City Hosp, Internal Medicine; Worcester City Hosp, General Practice | Ri Hospital and Miriam Hospital
Medical School: Georgetown Univ Sch of Med, Washington Dc | Tufts University School of Medicine
Is Dr. Brennan board certified as a Pulmonologist?
Yes, Dr. John Brennan, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Brennan speak?
Dr. Brennan and their clinical team can communicate with patients in the following languages:
Arabic
English
What conditions does a Pulmonologist like Dr. Brennan typically treat?
As a Pulmonologist, Dr. Brennan 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. Brennan. 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:
- COPD
- Chronic Obstructive Pulmonary Disease
- Chronic Lung Disease
- Emphysema and Chronic Bronchitis
ICD-10 Codes:
- J449: Chronic obstructive pulmonary disease, unspecified
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:
- Interstitial Lung Disease
- ILD
- Diffuse Parenchymal Lung Disease
- Chronic Lung Disease
ICD-10 Codes:
- J849: Interstitial pulmonary disease, unspecified
Also known as:
- Bronchiectasis
- Bronchial Disorder
- Damaged Airways
- Chronic Bronchial Dilation
- Lung Airway Damage
ICD-10 Codes:
- J479: Bronchiectasis, uncomplicated
Also known as:
- Moderate Persistent Asthma
- Asthma
- Ongoing Moderate Asthma
- Regular Moderate Asthma
- Chronic Moderate Asthma
ICD-10 Codes:
- J4540: Moderate persistent asthma, uncomplicated
Also known as:
- Lung Cancer Screening
- Health Screening
- Respiratory cancer screening
- Pulmonary cancer check
- Lung tumor screening
ICD-10 Codes:
- Z122: Encounter for screening for malignant neoplasm of respiratory organs
What procedures does a Pulmonologist like Dr. Brennan typically perform?
As a Pulmonologist, Dr. Brennan 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. Brennan. 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 Lung Biopsy
- Image-Guided Bronchoscopy
- Bronchoscopy and Bronchoalveolar Lavage (BAL)
- Fluoroscopy
- Biopsy
- Bronchial lavage
- BAL procedure
- Lung washing
- Flexible bronchoscopy
- Lung Scope with Biopsy
- Bronchial Biopsy
- Endobronchial Biopsy
- Flexible Bronchoscopy with Biopsy
- Navigational Bronchoscopy
- Computer-Assisted Bronchoscopy
- Advanced Lung Scope
- Transbronchial Needle Biopsy
- Lung Biopsy via Bronchoscope
- Airway Examination with Biopsy
CPT Codes:
- 31624: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with bronchial alveolar lavage
- 31625: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with bronchial or endobronchial biopsy(s), single or multiple sites
- 31627: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with computer-assisted, image-guided navigation (List separately in addition to code for primary procedure[s])
- 31629: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with transbronchial needle aspiration biopsy(s), trachea, main stem and/or lobar bronchus(i)
Also known as:
- Bronchoscopy with Ultrasound-Guided Biopsy
- Lung Biopsy with Bronchoscopy and Ultrasound
- Bronchoscopy and Bronchoalveolar Lavage (BAL)
- Fluoroscopy
- EBUS Bronchoscopy
- Endobronchial Ultrasound Biopsy
- Lung Lymph Node Biopsy
- Transbronchial Biopsy
CPT Codes:
- 31653: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with endobronchial ultrasound (EBUS) guided transtracheal and/or transbronchial sampling (eg, aspiration[s]/biopsy[ies]), 3 or more mediastinal and/or hilar lymph node stations or structures
- 31652: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with endobronchial ultrasound (EBUS) guided transtracheal and/or transbronchial sampling (eg, aspiration[s]/biopsy[ies]), one or two mediastinal and/or hilar lymph node stations or structures
Also known as:
- Fluid Removal from Lung Area with Imaging Guidance
- Thoracentesis
- Pleural Fluid Aspiration
- Lung Tap
- Fluid Drainage from Chest
CPT Codes:
- 32555: Thoracentesis, needle or catheter, aspiration of the pleural space; with imaging guidance
Does Dr. Brennan accept my insurance?
Dr. Brennan accepts most major insurance plans. Important: Please call our office at (603) 775-0234 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Brennan accept in Exeter, NH?
Dr. Brennan in Exeter, NH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Humana
Martin's Point
Martin's Point Health Care
Medicare
Point32Health
UnitedHealth Group
View All Insurances
Where is Dr. Brennan's office located?
What is Dr. Brennan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Brennan's National Provider Identifier (NPI) number is 1851339071.
What common questions do patients ask about Dr. Brennan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Brennan
What is Dr. John Brennan's specialty?
Dr. Brennan is a Pulmonologist near Exeter, NH.
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 this Dr. John Brennan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Brennan is affiliated with Exeter Hospital which is a Castle Connolly Top Hospital. 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 John Brennan accepting new patients in Exeter, NH?
Yes, Dr. John Brennan is accepting new patients at this time.
Does Dr. John Brennan offer online booking?
Please contact Dr. Brennan's office at (603) 775-0234 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Brennan?
Please contact Dr. Brennan's office at (603) 775-0234 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Brennan have?
Dr. John Brennan is certified by the American Board of Internal Medicine.
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