William Farrell, M.D

NPI: 1417951203

William Farrell, M.D

Q: What is William Farrell's NPI number?

William Farrell's NPI number is 1417951203, a unique 10-digit identifier issued by CMS.

Q: What does William Farrell specialize in?

William Farrell specializes in Cardiology, taxonomy code 207RC0000X.

Q: Where does William Farrell practice?

William Farrell practices in Wallingford, CT 06492-2576.

Q: When was William Farrell's NPI issued?

William Farrell's NPI was issued on June 9, 2005.

Q: What is William Farrell's provider type?

William Farrell is an Individual Provider under CMS NPI Type 1.

ActiveIndividual ProviderCardiology

NPI issued: June 9, 2005

Quick Facts

NPI Number

1417951203

TypeIndividual

StatusActive

SpecialtyCardiology

Taxonomy207RC0000X — Cardiology

Phone

(203) 265-9831

StateCT

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1417951203)

✅Active status confirmed

✅Verified by CMS NPPES Registry

✅HIPAA compliant identifier

✅Enumeration date on file (June 9, 2005)

Data source: CMS NPPES

Provider Overview

WILLIAM FARRELL, M.D is a Cardiology provider based in Wallingford, CT who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1417951203

Provider TypeIndividual Provider

GenderMale

CredentialM.D

StatusActive

Enumeration DateJune 9, 2005

Practice Location

CityWallingford

StateCT

ZIP Code06492-2576

Phone(203) 265-9831

Specialties & Licenses

★ Primary

SpecialtyCardiology

Taxonomy Code207RC0000X

License StateCT

Mailing Address

CityWallingford

StateCT

ZIP Code06492-2576

Phone(203) 265-9831

Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1417951203 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.

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For Credentialing

Reference NPI 1417951203for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.

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For Patients

Share NPI 1417951203 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.

About Cardiology

Cardiologists specialize in the diagnosis, medical management, and prevention of diseases affecting the heart, blood vessels, and cardiovascular system.

Browse all Cardiologyproviders →

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Cardiology Providers in the US