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

Mrs. Caren Jo Tishfield, RDN

Registered Dietitian in Westport, CT · enumerated 2025.

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

National Provider Identifier

1538046750

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Registry record

Entity type Individual (Type 1)

Name Mrs. Caren Jo Tishfield

Credential RDN

Sex Female

Practice address Westport, CT, 06880

Phone (917) 697-3048

Fax (917) 697-3048

Enumeration date Aug 19, 2025

Last updated in NPPES Aug 19, 2025

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 002169 (CT) 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 Caren Tishfield?

The National Provider Identifier (NPI) for Caren Tishfield is 1538046750, a Type 1 (individual) record in the CMS NPPES registry.

Where does Caren Tishfield practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-19.