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

Mr. Barry Singer, CDN

Q: What is the NPI number for Barry Singer?

The National Provider Identifier (NPI) for Barry Singer is 1619416690, a Type 1 (individual) record in the CMS NPPES registry.

Registered Dietitian in Syosset, NY · enumerated 2017.

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

National Provider Identifier

1619416690

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Registry record

Entity type Individual (Type 1)

Name Mr. Barry Singer

Credential CDN

Sex Male

Practice address Syosset, NY, 11791

Phone (516) 721-8254

Fax (516) 721-8254

Enumeration date Feb 23, 2017

Last updated in NPPES Feb 23, 2017

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

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 008713 (NY) Primary

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 Barry Singer?

The National Provider Identifier (NPI) for Barry Singer is 1619416690, a Type 1 (individual) record in the CMS NPPES registry.

Where does Barry Singer practice?

The practice location on file with NPPES is in Syosset, 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 2017-02-23.