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

Diana Lynn Simpson, LPC

Counselor in Hudsonville, MI · enumerated 2009 · practices at Second Story Counseling II LLC.

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

National Provider Identifier

1770726663

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Registry record

Entity type Individual (Type 1)

Name Diana Lynn Simpson

Credential LPC

Sex Female

Practice address Hudsonville, MI, 49426

Phone (616) 426-9034

Fax (616) 404-4103

Enumeration date Apr 8, 2009

Last updated in NPPES Dec 18, 2022

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

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers · License 6401011292 (MI) Primary

LPC · Licensed Professional Counselor: A licensed mental-health counselor providing psychotherapy. About the LPC credential

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 Diana Simpson practice?

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

What is the NPI number for Diana Simpson?

The National Provider Identifier (NPI) for Diana Simpson is 1770726663, 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 2022-12-18.