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

Alison Duffey, MS, RDN, LDN, FAND

Registered Dietitian in Punta Gorda, FL · enumerated 2024.

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

National Provider Identifier

1730946534

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Alison Duffey

Credential MS, RDN, LDN, FAND

Sex Female

Practice address Punta Gorda, FL, 33982

Phone (239) 877-6875

Enumeration date Feb 28, 2024

Last updated in NPPES Feb 28, 2024

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 3824 (FL) 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 Alison Duffey?

The National Provider Identifier (NPI) for Alison Duffey is 1730946534, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alison Duffey practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-28.