Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Mercer County Health Department

Q: What is the NPI number for Mercer County Health Department?

The NPI for Mercer County Health Department is 1053430561, a Type 2 (organization) record in the CMS NPPES registry.

Public Health or Welfare Agency in Princeton, MO · enumerated 2007 · authorized official Phyllis Johnson, Administrator.

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

National Provider Identifier

1053430561

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Registry record

Entity type Organization (Type 2)

Legal business name Mercer County Health Department

Practice address 305 W Main St, Princeton, MO, 64673

Phone (660) 748-3630

Fax (660) 748-3634

Enumeration date Mar 28, 2007

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

251K00000X Public Health or Welfare Agency Agencies Primary

Authorized official

Name Phyllis Johnson

Title Administrator

Phone (660) 748-3630

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

Who is the authorized official for Mercer County Health Department?

NPPES lists Phyllis Johnson (Administrator) as the authorized official for this organization.

What is the NPI number for Mercer County Health Department?

The NPI for Mercer County Health Department is 1053430561, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.