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

Ms. Ellen Willis, Therapist

Q: What is the NPI number for Ellen Willis?

The National Provider Identifier (NPI) for Ellen Willis is 1447891684, a Type 1 (individual) record in the CMS NPPES registry.

Mental Health Counselor in Strafford, NH · enumerated 2019.

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

National Provider Identifier

1447891684

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Registry record

Entity type Individual (Type 1)

Name Ms. Ellen Willis

Credential Therapist

Sex Female

Practice address Strafford, NH, 03884

Phone (603) 923-9982

Enumeration date Sep 30, 2019

Last updated in NPPES Aug 31, 2026

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

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Primary

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers Secondary

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 Ellen Willis?

The National Provider Identifier (NPI) for Ellen Willis is 1447891684, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ellen Willis practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-31.