James Michael Flynn, M.D.
Cardiovascular Disease Internal Medicine
James Michael Flynn is a Cardiovascular Disease Internal Medicine specialist based in Londonderry, NH with over 34 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
With over 34 years in internal medicine, James Michael Flynn, M.D. is a long-established cardiologist in Londonderry. Trained at University of Massachusetts Medical School (class of 1992), he has been practicing for over 34 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and ischemic_heart (per CMS data).
At a glance
- Uses generic medications more than 27% of reporting doctors in New Hampshire
- Virtual visits available — no app or travel required
Older · 179dNPPES updated 2025-11-25 · verify NPI on CMS · Verify license at New Hampshire Board of Medicine
Contact & Location
Practice Location
6 Buttrick Rd Ste 200, Londonderry, NH 03053-3417
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better83.5%
New Hampshire avg: 83.5 · US avg: 82.8
✓ Higher than most doctors nationally(+0.7 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
491
Unique beneficiaries
Standard volumePrescription Recipients
208
Patients prescribed
Prescriptions Written
1,209
Total claims
Total Medicare drug cost: $247k
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 Hypertension, High Cholesterol, and Ischemic Heart Disease.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — 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 (+36%) — a focus area for this doctor
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+25%) — a focus area for this doctor
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+23%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-4%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+3%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+7%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$1.2k received from industry
23 transactions reported in 2024 ·Moderate 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 James Michael Flynn's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1992
Umass Chan Medical School
Board certified · Nov 24, 2025
Self-reported via NPPES
34 years in practice
Senior practitioner
Cardiologists specialize in diagnosing and treating heart and blood vessel conditions including coronary artery disease, heart failure, arrhythmias, valve disorders, and hypertension. They perform diagnostic procedures such as echocardiograms, stress tests, and cardiac catheterization.
Taxonomy: 207RC0000X
Education & Training
University of Massachusetts Medical School (Class of 1992)
Virtual Cardiovascular Disease Care With James Michael Flynn
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with James Michael Flynn for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Londonderry 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 James Michael Flynn
Dr. Flynn is listed as active in the NPI registry with telehealth listed in Londonderry, NH. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (603) 323-0883.
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 James Michael Flynn
Practice Location
6 Buttrick Rd Ste 200, Londonderry, NH 03053-3417
Mailing Address
6 Buttrick Rd Ste 200, Londonderry, NH 03053-3417
This is a provider directory. Contact the office directly to schedule appointments.
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