Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Catherine Mielke, APRN, CNS

Adult Health Clinical Nurse Specialist in Jacksonville, FL · enumerated 2024.

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

National Provider Identifier

1881457471

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Registry record

Entity type Individual (Type 1)

Name Catherine Mielke

Credential APRN, CNS

Sex Female

Practice address 4500 San Pablo Rd S, Jacksonville, FL, 32224

Phone (904) 956-3061

Enumeration date Feb 5, 2024

Last updated in NPPES Feb 5, 2024

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 11009300 (FL) Secondary

364SA2200X Adult Health Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License 201220009923 (FL) Primary

APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN 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 Catherine Mielke practice?

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

What is the NPI number for Catherine Mielke?

The National Provider Identifier (NPI) for Catherine Mielke is 1881457471, 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 2024-02-05.