WILLIAM T FLYNN MD
NPI 1679640460
Pediatrics in New Canaan, CT

Q: What is William Flynn's NPI number?

The NPI number for William Flynn is 1679640460. It was assigned to this individual provider in the NPPES registry on November 29, 2006.

Q: What is William Flynn's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: Is William Flynn enrolled in Medicare?

No. William Flynn has opted out of Medicare through March 31, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for William Flynn 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.

Active since November 29, 2006Opted out of Medicare · through Mar 31, 2028

173 EAST AVENUE, NEW CANAAN, CT 06840(203) 972-4250(203) 801-2126 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About William T Flynn Md NPPES

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

WILLIAM T FLYNN MD (NPI 1679640460) is an individual pediatrics provider in New Canaan, Connecticut, licensed in Connecticut (033199) and active in the NPI registry since November 2006. He has opted out of Medicare through March 31, 2028.

NPPES Registry Identity

NPI1679640460

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameWILLIAM T FLYNNCredential: MD

Location Address173 EAST AVENUENew Canaan, CT 06840

Mailing Address173 East AvenueNew Canaan, CT 06840 · (203) 972-4250 · Fax (203) 801-2126

Phone(203) 972-4250

Fax(203) 801-2126

Sole ProprietorNo

Enumeration DateNovember 29, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1679640460 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CT · 033199

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

173 EAST AVENUE, New Canaan, CT 06840

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Other Identifiers 7

Other010033199CT02Anthem Blue Cross

Other1832788Cigna

Medicare UPINF65572

Other4574348Aetna

Other00133199100Blue Care Family

OtherZP505Oxford

Other0000127721201Uhc

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

William T Flynn Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from March 31, 2022 through March 31, 2028.

Opt-Out Effective DateMarch 31, 2022

Opt-Out In Effect ThroughMarch 31, 2028Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 11

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

NEW CANAAN INTERNAL MEDICINE LLC

Internal Medicine

173 EAST AVENUE
NEW CANAAN, CT 06840

Western Connecticut Planning Region (203) 972-4255

NEW CANAAN MEDICAL GROUP PC

Internal Medicine

173 EAST AVENUE
NEW CANAAN, CT 06840

Western Connecticut Planning Region (203) 966-7030

NEW CANAAN PEDIATRICS LLC

Pediatrics

173 EAST AVENUE
NEW CANAAN, CT 06840

Western Connecticut Planning Region (203) 972-4250

SHIELA V SUBRAMANIAN MD

Internal Medicine

173 EAST AVENUE
NEW CAUAAN, CT 06840

Western Connecticut Planning Region (203) 972-4255

JAMES A SLATER MD

Internal Medicine

173 EAST AVENUE
NEW CANAAN, CT 06840

Western Connecticut Planning Region (203) 966-7030

PETER M SHUTKIN MD

Internal Medicine

173 EAST AVENUE
NEW CANAAN, CT 06840

Western Connecticut Planning Region (203) 972-4255

JULIA H VOYTOVICH MD

Internal Medicine

173 EAST AVENUE
NEW CANAAN, CT 06840

Western Connecticut Planning Region (203) 972-4255

PETER GEORGE HASAPIS MD

Internal Medicine

173 EAST AVENUE
NEW CANAAN, CT 06840

Western Connecticut Planning Region (203) 972-4255

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 William Flynn's NPI number?

The NPI number for William Flynn is 1679640460. It was assigned to this individual provider in the NPPES registry on November 29, 2006.

Where is William Flynn located?

William Flynn practices at 173 East Avenue, New Canaan, CT 06840. The listed phone number is (203) 972-4250.

What is William Flynn's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is William Flynn enrolled in Medicare?

No. William Flynn has opted out of Medicare through March 31, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for William Flynn 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.