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

Mary Harney

Q: What is the NPI number for Mary Harney?

The National Provider Identifier (NPI) for Mary Harney is 1821895855, a Type 1 (individual) record in the CMS NPPES registry.

Registered Nurse in Batavia, OH · enumerated 2025 · practices at Clermont Recovery Center, Inc..

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

National Provider Identifier

1821895855

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Registry record

Entity type Individual (Type 1)

Name Mary Harney

Sex Female

Practice address Batavia, OH, 45103

Phone (513) 735-8100

Enumeration date Feb 27, 2025

Last updated in NPPES Feb 27, 2025

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

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License RN.465963 (OH) 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

Where does Mary Harney practice?

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

What is the NPI number for Mary Harney?

The National Provider Identifier (NPI) for Mary Harney is 1821895855, 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 2025-02-27.