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

Tanzia Afrin Chowdhury, D.O.

Family Medicine Physician in Riverhead, NY · enumerated 2015.

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

National Provider Identifier

1194111708

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Registry record

Entity type Individual (Type 1)

Name Tanzia Afrin Chowdhury

Credential D.O.

Sex Female

Practice address Riverhead, NY, 11901

Phone (631) 963-4770

Enumeration date Apr 9, 2015

Last updated in NPPES Jul 26, 2018

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

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 293715 (NY) Primary

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 Tanzia Chowdhury?

The National Provider Identifier (NPI) for Tanzia Chowdhury is 1194111708, a Type 1 (individual) record in the CMS NPPES registry.

Where does Tanzia Chowdhury practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-07-26.