Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John P Brennan, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1851339071

John P Brennan, MD is a Pulmonary Disease in Exeter, New Hampshire. Graduated from Tufts University School of Medicine in 2002, 24 years ago. Practices with Elliot Professional Services, a 424-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New Hampshire.

Years since qualifying
24
Trained at
Tufts University School of Medicine
Licensed in
NH
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3 Alumni Dr Ste 301
Exeter, NH 03833-2123
Phone: (603) 775-0234
Fax: (603) 772-1188
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 13816 (NH)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 13816 (NH)

Record details

NPI number1851339071
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 2, 2006
Last updated in NPPESFebruary 24, 2020
Certification dateFebruary 24, 2020
Mailing address7 Holland Way Fl 1, Exeter, NH 03833-2997

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Elliot Professional Services — 424 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare

Other providers in Exeter