John Brennan, MD


Dr. John Brennan is a Pulmonologist in Exeter, New Hampshire. Dr. Brennan is board certified in Internal Medicine, Critical Care Medicine and Pulmonary Medicine. His clinical interests include multidisciplinary lung cancer care, endobronchial ultrasound, navigational bronchoscopy, pulmonary nodules, general pulmonology and critical care.

Dr. Brennan has been recognized as a Top Doctor in Pulmonology by NH Magazine.

Specialty
Gender
Male
Education
  • Undergraduate: Tufts University, Boston, MA
  • Graduate: Tufts University School of Medicine, Boston MA
Residency
Rhode Island Hospital/Miriam Hospital Brown Medical School, Providence, RI
Fellowship
Pulmonary and Critical Care Medicine, Tufts Medical Center, Boston, MA
Board Certified
Internal Medicine, Critical Care Medicine, Pulmonary Medicine
In the News

Patient Rating
★★★★★
★★★★★
4.9 out of 5
198 Ratings
75 Comments

Location

Core Physicians
3 Alumni Drive
Exeter, NH 03833
 Phone: (603) 775-0234
Fax: (603) 772-1188
Hours: Monday - Friday 8:30am - 12:00pm, 1:00pm - 5:00pm

Verified Patient Reviews & Comments

The Patient Rating score is an average of all responses to physician related questions on our nationally-recognized Patient Experience Survey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments also are gathered from our Patient Experience Survey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.
★★★★★
★★★★★
2/19/2024

Good place to go

★★★★★
★★★★★
2/19/2024

The doctor was complete, professional and concerned about my welfare.

★★★★★
★★★★★
2/19/2024

Through, gets to the point quickly, but never to quickly that omits information that is necessary for your particular problem. I have had 5-6 pulmonologists in my life of breathing problems and he is absolutely the best.

★★★★★
★★★★★
1/23/2024

Dr. Brennan is a wonderful doctor. He's personable, knowledgeable, and I've always been very happy with Dr. Brennan. I don't appreciate being called at 6 o'clock on a Sunday night to fill out this, to give my opinion. I will say that.

★★★★★
★★★★★
1/22/2024

Dr. Brennan was very kind and supportive to my father (the pt). He went out of his way to make sure that we had everything we needed to get him through this recent illness without having to be hospitalized. He also took the time to help me fill out paperwork to keep my job secure while caring for my Dad. Amazing!!

★★★★★
★★★★★
1/22/2024

Hecwas alright

★★★★★
★★★★★
1/17/2024

besides being a great Doctor, Dr Brennan is kind and caring.

★★★★★
★★★★★
1/8/2024

He is very good

★★★★★
★★★★★
1/8/2024

He knows his stuff in the pulmonary field. Excellent

★★★★★
★★★★★
12/20/2023

Seemed very thorough... very nice...listened

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