Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Alexander Paul Briand, D.O.

Internal Medicine Physician in Norwalk, CT · enumerated 2017.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1548791858

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Registry record

Entity type Individual (Type 1)

Name Alexander Paul Briand

Credential D.O.

Sex Male

Practice address Norwalk, CT, 06850

Phone (203) 852-3019

Fax (203) 899-5058

Enumeration date Mar 27, 2017

Last updated in NPPES May 26, 2020

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 65298 (CT) Primary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 65298 (CT) Secondary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Alexander Briand?

The National Provider Identifier (NPI) for Alexander Briand is 1548791858, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alexander Briand practice?

The practice location on file with NPPES is in Norwalk, CT. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-05-26.