Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sonia I Guerrero, MSN, APRN, FNP-C

Family Nurse Practitioner in Nogales, AZ · enumerated 2018.

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

National Provider Identifier

1326524083

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Registry record

Entity type Individual (Type 1)

Name Sonia I Guerrero

Credential MSN, APRN, FNP-C

Sex Female

Practice address 1852 N Mastick Way, Nogales, AZ, 85621

Phone (520) 281-1550

Fax (520) 281-1112

Enumeration date Jul 16, 2018

Last updated in NPPES May 26, 2022

Taxonomy & licenses

163WC1500X Community Health Registered Nurse Nursing Service Providers · License RN154192 (AZ) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 222441 (AZ) Primary

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

Other identifiers

Identifier	Type	State	Issuer
488978	Medicaid	AZ	-

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.

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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 Sonia Guerrero?

Sonia Guerrero 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 2022-05-26.