Marie Louies Lamsen, M.D.
Marie Louies Lamsen is an Internal Medicine specialist based in Danbury, CT with over 17 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Marie Louies Lamsen, M.D. specializes in internal medicine, serving patients in Danbury, CT in independent practice. She graduated from Saint Louis University School of Medicine in 2009 and has 17+ years of clinical experience. She regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data). CMS MIPS quality score: 91.25/100 (2023).
At a glance
- Uses generic medications more than 69% of reporting doctors in Connecticut
- Federal MIPS score higher than 60% of MIPS-scored doctors in Connecticut
- Virtual visits available — no app or travel required
Older · 1573dNPPES updated 2022-01-31 · verify NPI on CMS · Verify license at Connecticut Medical Examining Board
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in Connecticut, favors affordable generic drugs over brand-name ones.
MIPS Score
202391.25/100
Connecticut avg: 84.5 · US avg: 83.6
✓ Higher than most doctors nationally(+7.7 pts)
Average range among MIPS-scored doctors in ConnecticutHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better89.9%
Connecticut avg: 81.1 · US avg: 82.8
✓ Higher than most doctors nationally(+7.1 pts)
Typical range among reporting doctors in ConnecticutHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
530
Unique beneficiaries
High volumePrescription Recipients
72
Patients prescribed
Prescriptions Written
159
Total claims
Total Medicare drug cost: $5k
Percentile rankings compared against 1,825 reporting peers in Connecticut.
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 Arthritis.
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
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+7%) — 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 (+22%) — 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 (+18%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+14%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+23%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$302 received from industry
8 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 Marie Louies Lamsen's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2009
Saint Louis University School of Medicine
Board certified · Jan 30, 2022
Self-reported via NPPES
17 years in practice
Experienced
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
Saint Louis University School of Medicine (Class of 2009)
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 450688
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Marie Louies Lamsen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Marie Louies Lamsen for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Danbury 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 Marie Louies Lamsen
NPI records show Dr. Lamsen as active with telehealth listed in Danbury, CT. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (203) 739-6959.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Marie Louies Lamsen
Practice Location
24 Hospital Ave, Danbury, CT 06810-6077
Mailing Address
24 Hospital Ave, Danbury, CT 06810-6077
This is a provider directory. Contact the office directly to schedule appointments.
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