Dr. John Brennan, MD
Pulmonary Medicine • Exeter, NH
Clinic Type
Pulmonary Medicine
Address
3 Alumni Drive, Exeter, NH 03833
Phone
+1 603-775-0234
bd@doximity.com
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
Team
Insurance & Payment
—
Languages Spoken
FAQs
What is the street address?
3 Alumni Drive, Exeter, NH 03833
What is the contact phone?
+1 603-775-0234
Awards & Accreditations
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- WebMD Care: 5 out of 5 (2)
Patients praise
- Some patients report positive experiences and attentive care
- Appreciation for thoroughness in diagnostic efforts
Common complaints
- Lack of communication and follow-up on test results
- Poor handling of appointment scheduling/cancellations
- Perceived lack of attentiveness during appointments
"No communication, zero follow up. I saw Dr. John Brennan and was transitioning to a new medication. Had tests run - never got the results despite calling to request them. Had an adverse reaction to the new medication and had to go to the ER, made Dr. Brennan aware and they never followed up with me. Incredibly poor service and care."
— LocalityBiz (User Review)"I went to see Dr. Brennan with a peculiar case of persistent fevers which didn't turn out to be related to lungs. However, he went above and beyond trying ..."
— Vitals (User Review)Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- John F. Brennan, MD | Pathology — Jul 16, 2025
- Dr. John Duronville, MD – Laurinburg, NC | Nephrology — Oct 7, 2025
- NH Medical: Early lung cancer detection and treatment goes high tech | NH Medical | unionleader.com — Nov 12, 2025
- 🏥 Multiple Healthcare Jobs Now Hiring in Exeter, NH — Jun 28, 2026
Information sourced from the clinic's website as of July 11, 2026.
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