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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Napier, M.D.

Family Medicine Physician in Fort Madison, IA · enumerated 2005.

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

National Provider Identifier

1730181397

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Registry record

Entity type Individual (Type 1)
Name William Napier
Credential M.D.
Sex Male
Practice address 5409 Avenue O, Fort Madison, IA, 52627
Phone (319) 376-2134
Fax (319) 376-2188
Enumeration date Aug 12, 2005
Last updated in NPPES Jan 18, 2024

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 34601 (IA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
080189091 Other IA RAILROAD MEDICARE
205287 Other IA IOWA HEALTH SOLUTIONS
0261594 Medicaid IA -
49399 Other IA WELLMARK BLUE CROSS
IA0132 Other IA JOHN DEERE HEALTH

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.

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Frequently asked questions

Is NPI 1730181397 active?
Yes, as of the latest NPPES snapshot, NPI 1730181397 is active (record last updated 2024-01-18).
How do I verify William Napier's NPI record?
Cross-check NPI 1730181397 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-01-18.