Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Shelley A Sixt, FNP

Family Nurse Practitioner in Rochester, NY · enumerated 2008 · practices at The Unity Hospital of Rochester.

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

National Provider Identifier

1083873947

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Registry record

Entity type Individual (Type 1)

Name Shelley A Sixt

Credential FNP

Sex Female

Practice address 1565 Long Pond Rd, Chemical Dependency, Rochester, NY, 14626

Phone (585) 723-7723

Fax (585) 723-7074

Enumeration date Jun 5, 2008

Last updated in NPPES Sep 23, 2019

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 333759 (NY) Primary

FNP · Family Nurse Practitioner: A nurse practitioner certified in family practice across the lifespan. About the FNP 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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Shelley Sixt?

Shelley Sixt is registered in NPPES with the primary taxonomy of Family Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-09-23.