1. Home
  2. Directory
  3. Connecticut
  4. Norwalk
  5. Allergy Immunology
  6. NPI Profile

AGNIESZKA MATCZUK MD
NPI 1467436733
Allergy & Immunology in Norwalk, CT

Active since December 01, 2005PECOS EnrolledAccepts Medicare Assignment
80.3/100
CMS Quality Rating
148 EAST AVE, SUITE 3G, NORWALK, CT 06851(203) 838-4034(203) 853-6361 Get Directions Write a Review

NPPES record last updated: October 8, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Agnieszka Matczuk Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AGNIESZKA MATCZUK MD (NPI 1467436733) is an individual allergy & immunology provider in Norwalk, Connecticut, licensed in Connecticut (038563) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1993).

NPPES Registry Identity

NPI1467436733
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameAGNIESZKA MATCZUKCredential: MD
Location Address148 EAST AVE, SUITE 3GNorwalk, CT 06851-5721
Mailing Address148 East Ave, Suite 3gNorwalk, CT 06851-5721 · (203) 838-4034 · Fax (203) 853-6361
Phone(203) 838-4034
Fax(203) 853-6361
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateDecember 1, 2005
Last NPPES UpdateOctober 8, 2020
NPPES CertifiedOctober 8, 2020
✔ NPI 1467436733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in CT · 038563
Definition
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.
148 EAST AVE, Norwalk, CT 06851
Open in Google Maps ↗

Other Identifiers 1

Medicaid001385633CT

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Agnieszka Matczuk Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9133017320
PECOS Enrollment IDI20040309000691
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
554 services19 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
400 services34 patients
Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
235 services11 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
41 services27 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
38 services32 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
22 services16 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.3/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.06
Promoting Interoperability87
Improvement Activities40
Cost71.13

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HEATHER I FRIMMER MD
Radiology (Diagnostic Radiology)
148 EAST AVE
NORWALK, CT 06851
Western Connecticut Planning Region (203) 852-9913
MARTIN D. ARKIN, P.C.
Optometrist
148 EAST AVE
NORWALK, CT 06851
Western Connecticut Planning Region (203) 866-3280
DR. ALAN H RICHMAN MD
Radiology (Diagnostic Radiology)
148 EAST AVE
NORWALK, CT 06851
Western Connecticut Planning Region (203) 852-2715
RONALD P LEE MD
Radiology (Diagnostic Radiology)
148 EAST AVE
NORWALK, CT 06851
Western Connecticut Planning Region (203) 852-9913
EAST AVENUE PEDIATRICS PC
Pediatrics
148 EAST AVE, SUITE 1L
NORWALK, CT 06851
Western Connecticut Planning Region (203) 854-6993
CARLA ANN REYNOLDS APRN
Nurse Practitioner (Family)
148 EAST AVE
NORWALK, CT 06851
Western Connecticut Planning Region (203) 538-5682
DR. GARY A LETTS M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
148 EAST AVE, STE 2D
NORWALK, CT 06851
Western Connecticut Planning Region (203) 832-3737
FAIRFIELD COUNTY COLOPROCTOLOGY GROUP, LLC
Colon & Rectal Surgery
148 EAST AVE, SUITE 3B
NORWALK, CT 06851
Western Connecticut Planning Region (203) 853-1705

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Agnieszka Matczuk's NPI number?

The NPI number for Agnieszka Matczuk is 1467436733. It was assigned to this individual provider in the NPPES registry on December 1, 2005.

Where is Agnieszka Matczuk located?

Agnieszka Matczuk practices at 148 East Ave Suite 3G, Norwalk, CT 06851. The listed phone number is (203) 838-4034.

What is Agnieszka Matczuk's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Agnieszka Matczuk enrolled in Medicare?

Yes. Agnieszka Matczuk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Agnieszka Matczuk was last updated on October 8, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.