John P Brennan, MD
Pulmonary Disease Internal Medicine
John P Brennan is a Pulmonary Disease Internal Medicine specialist based in Exeter, NH with over 24 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: CRITICAL CARE (INTENSIVISTS)
Patients across NH can see John P Brennan, MD in person in Exeter or via virtual visit — no travel required. He graduated from Tufts University School of Medicine in 2002 and has 24+ years of clinical experience. Among his Medicare patients, common conditions include high cholesterol, hypertension, and COPD (per CMS data).
Older · 2280dNPPES updated 2020-02-24 · verify NPI on CMS · Verify license at New Hampshire Board of Medicine
Contact & Location
Practice Location
3 Alumni Dr Ste 301, Exeter, NH 03833-2123
How Does This Doctor Compare?
Generic Rx
↑ Higher = better47.7%
New Hampshire avg: 83.5 · US avg: 82.8
⚠ Lower than most doctors nationally(-35.1 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
601
Unique beneficiaries
High volumePrescription Recipients
417
Patients prescribed
Prescriptions Written
2,375
Total claims
Total Medicare drug cost: $1.18M
Percentile rankings compared against 597 reporting peers in New Hampshire.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and COPD.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+2%) — a focus area for this doctor
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
US avg: 20.4%↑ More patients than average (+40%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+1%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+7%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-2%) — less common here
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+6%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$76 received from industry
3 transactions reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to John P Brennan's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2002
Tufts University School of Medicine
Board certified · Feb 23, 2020
Self-reported via NPPES
24 years in practice
Experienced
Pulmonologists specialize in respiratory conditions including asthma, COPD, pneumonia, pulmonary fibrosis, sleep apnea, and lung cancer screening. They manage patients on ventilators and perform bronchoscopies.
Taxonomy: 207RP1001X
Education & Training
Tufts University School of Medicine (Class of 2002)
Mailing address
7 Holland Way Fl 1, Exeter, NH 03833-2997
Differs from practice location
Virtual Pulmonary Disease Care With John P Brennan
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John P Brennan for cholesterol management, blood pressure monitoring, COPD management — no travel to Exeter required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about John P Brennan
Dr. Brennan is listed as active in the NPI registry with telehealth listed in Exeter, NH. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (603) 775-0234.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact John P Brennan
Practice Location
3 Alumni Dr Ste 301, Exeter, NH 03833-2123
Mailing Address
7 Holland Way Fl 1, Exeter, NH 03833-2997
This is a provider directory. Contact the office directly to schedule appointments.
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