Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Silvia Esquivel Munoz, FNP

Family Nurse Practitioner in Austin, TX · enumerated 2006 · practices at Lone Star Circle of Care.

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

National Provider Identifier

1619078680

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Registry record

Entity type Individual (Type 1)

Name Silvia Esquivel Munoz

Credential FNP

Sex Female

Practice address 7000 Woodhue Dr Bldg B, Austin, TX, 78745

Phone (877) 800-5722

Enumeration date Sep 25, 2006

Last updated in NPPES Jul 16, 2025

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 670539 (TX) 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

What specialty is Silvia Munoz?

Silvia Munoz 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.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-16.