Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Isabella Vertefeuille, MS

Marriage & Family Therapist in Portsmouth, NH · enumerated 2024.

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

National Provider Identifier

1003638453

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Registry record

Entity type Individual (Type 1)

Name Isabella Vertefeuille

Credential MS

Sex Female

Practice address 200 International Dr Ste 157, Portsmouth, NH, 03801

Phone (603) 957-1877

Enumeration date Oct 28, 2024

Last updated in NPPES Oct 28, 2024

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers 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

Where does Isabella Vertefeuille practice?

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

What is the NPI number for Isabella Vertefeuille?

The National Provider Identifier (NPI) for Isabella Vertefeuille is 1003638453, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-10-28.