Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allison O'Leary, PA-C

Physician Assistant in Nashville, TN · enumerated 2011.

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

National Provider Identifier

1558646711

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Registry record

Entity type Individual (Type 1)

Name Allison O'Leary

Credential PA-C

Sex Female

Practice address 3601 the Vanderbilt Clinic, Nashville, TN, 37232

Phone (615) 936-2000

Enumeration date Oct 19, 2011

Last updated in NPPES Mar 26, 2022

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA07588 (TX) 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 Allison O'Leary practice?

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

What is the NPI number for Allison O'Leary?

The National Provider Identifier (NPI) for Allison O'Leary is 1558646711, 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 2022-03-26.