Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Henry J. Simpson, M.D.

Family Medicine Physician in Menomonie, WI · enumerated 2006.

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

National Provider Identifier

1801832399

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Registry record

Entity type Individual (Type 1)

Name Henry J. Simpson

Credential M.D.

Sex Male

Practice address 2321 Stout Rd, Menomonie, WI, 54751

Phone (715) 235-5531

Fax (715) 233-7645

Enumeration date Jun 21, 2006

Last updated in NPPES Jan 25, 2024

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 29761-020 (WI) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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 Henry Simpson practice?

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

What is the NPI number for Henry Simpson?

The National Provider Identifier (NPI) for Henry Simpson is 1801832399, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-01-25.