Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MAUREEN KIERNAN APRN
NPI 1134045800
Nurse Practitioner in Fairfield, CT

Q: What is Maureen Kiernan's NPI number?

The NPI number for Maureen Kiernan is 1134045800. It was assigned to this individual provider in the NPPES registry on June 26, 2026. The provider is also known as Maureen Brown Kiernan Aprn.

Q: What is Maureen Kiernan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Maureen Kiernan was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 days 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.

Active since June 26, 2026

40 TIMBER LN, FAIRFIELD, CT 06824(203) 247-5576 Get Directions Write a Review

NPPES record added: June 26, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Maureen Kiernan Aprn NPPES

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

MAUREEN KIERNAN APRN (NPI 1134045800) is an individual nurse practitioner in Fairfield, Connecticut, licensed in Connecticut (6745) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1134045800

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMAUREEN KIERNANCredential: APRN

Location Address40 TIMBER LNFairfield, CT 06824-2265

Mailing Address40 Timber LnFairfield, CT 06824-2265 · (203) 247-5576

Phone(203) 247-5576

Sole ProprietorYes

Enumeration DateJune 26, 2026

NPPES CertifiedJune 26, 2026

✔ NPI 1134045800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in CT · 6745

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · PediatricsTaxonomy 363LP0200X · License 6745 (CT)

40 TIMBER LN, Fairfield, CT 06824

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Other Names 1

Former Name (1)Maureen Brown Kiernan Aprn

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 Maureen Kiernan's NPI number?

The NPI number for Maureen Kiernan is 1134045800. It was assigned to this individual provider in the NPPES registry on June 26, 2026. The provider is also known as Maureen Brown Kiernan Aprn.

Where is Maureen Kiernan located?

Maureen Kiernan practices at 40 Timber Ln, Fairfield, CT 06824. The listed phone number is (203) 247-5576.

What is Maureen Kiernan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Maureen Kiernan was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 days 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.