Agnieszka Matczuk, MD
Agnieszka Matczuk is an Allergy & Immunology specialist based in Norwalk, CT with over 33 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across CT can see Agnieszka Matczuk, MD in person in Norwalk or via virtual visit — no travel required. With 33+ years of experience, she has been practicing in the Norwalk area. Among her Medicare patients, common conditions include high cholesterol, hypertension, and asthma (per CMS data). CMS MIPS quality score: 80.31/100 (2023).
At a glance
- Federal MIPS score higher than 34% of MIPS-scored doctors in Connecticut
- Virtual visits available — no app or travel required
Older · 2053dNPPES updated 2020-10-08 · verify NPI on CMS · Verify license at Connecticut Medical Examining Board
Contact & Location
Practice Location
148 East Ave Suite 3g, Norwalk, CT 06851-5721
How Does This Doctor Compare?
MIPS Score
202380.31/100
Connecticut avg: 84.5 · US avg: 83.6
⚠ Lower than most doctors nationally(-3.3 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better52.6%
Connecticut avg: 81.1 · US avg: 82.8
⚠ Lower than most doctors nationally(-30.2 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
80
Unique beneficiaries
Standard volumePrescription Recipients
64
Patients prescribed
Prescriptions Written
245
Total claims
Total Medicare drug cost: $58k
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 High Cholesterol, Hypertension, and Asthma.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-1%) — less common here
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-20%) — less common here
A condition causing airway inflammation, wheezing, and difficulty breathing
US avg: 13.3%↑ More patients than average (+36%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-1%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-9%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+2%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$160 received from industry
7 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 Agnieszka Matczuk's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Oct 7, 2020
Self-reported via NPPES
33 years in practice
Senior practitioner
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Taxonomy: 207K00000X
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 450669
View hospital on Medicare Care CompareVirtual Allergy & Immunology Care With Agnieszka Matczuk
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Agnieszka Matczuk for cholesterol management, blood pressure monitoring, asthma reviews — no travel to Norwalk 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 Agnieszka Matczuk
Dr. Matczuk is listed as active in the NPI registry with telehealth listed in Norwalk, CT. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (203) 838-4034.
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 Agnieszka Matczuk
Practice Location
148 East Ave Suite 3g, Norwalk, CT 06851-5721
Mailing Address
148 East Ave Suite 3g, Norwalk, CT 06851-5721
This is a provider directory. Contact the office directly to schedule appointments.
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