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

Henry Grigsby I

Social Worker in Belleville, MI · enumerated 2016.

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

National Provider Identifier

1790228336

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Registry record

Entity type Individual (Type 1)

Name Henry Grigsby I

Sex Male

Practice address Belleville, MI, 48111

Phone (313) 461-4789

Enumeration date Nov 30, 2016

Last updated in NPPES Nov 30, 2016

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

Taxonomy & licenses

104100000X Social Worker 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

What is the NPI number for Henry Grigsby?

The National Provider Identifier (NPI) for Henry Grigsby is 1790228336, a Type 1 (individual) record in the CMS NPPES registry.

Where does Henry Grigsby practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-11-30.