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MARGARET ELIZABETH SWEENEY M.D.
NPI 1235211863
Internal Medicine - Allergy & Immunology in Norwalk, CT

Active since October 20, 2006
148 EAST AVE, SUITE 1G1, NORWALK, CT 06851(203) 838-1588(203) 838-1944 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Margaret Elizabeth Sweeney M.d. NPPES

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

MARGARET ELIZABETH SWEENEY M.D. (NPI 1235211863) is an individual allergy & immunology provider in Norwalk, Connecticut, licensed in Connecticut (26804) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1235211863
Entity TypeIndividualFemale
Primary Taxonomy207RA0201X
Provider Legal NameMARGARET ELIZABETH SWEENEYCredential: M.D.
Location Address148 EAST AVE, SUITE 1G1Norwalk, CT 06851-5721
Mailing Address148 East Ave, Suite 1g1Norwalk, CT 06851-5721 · (203) 838-1588 · Fax (203) 838-1944
Phone(203) 838-1588
Fax(203) 838-1944
Sole ProprietorYes
Enumeration DateOctober 20, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1235211863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Allergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0201X
License✔ Licensed in CT · 26804
Definition
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.
148 EAST AVE, Norwalk, CT 06851
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Other Identifiers 1

Medicare UPIND78499CT

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 Margaret Sweeney's NPI number?

The NPI number for Margaret Sweeney is 1235211863. It was assigned to this individual provider in the NPPES registry on October 20, 2006.

Where is Margaret Sweeney located?

Margaret Sweeney practices at 148 East Ave Suite 1g1, Norwalk, CT 06851. The listed phone number is (203) 838-1588.

What is Margaret Sweeney's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

When was this NPI record last updated?

The NPPES record for Margaret Sweeney was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.