Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Adrian Rey Lao Del Fierro, APRN

Family Nurse Practitioner in Reno, NV · enumerated 2024.

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

National Provider Identifier

1861257966

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Registry record

Entity type Individual (Type 1)

Name Mr. Adrian Rey Lao Del Fierro

Credential APRN

Sex Male

Practice address 1500 E 2nd St Ste 300, Reno, NV, 89502

Phone (775) 982-5000

Fax (775) 982-3900

Enumeration date Feb 16, 2024

Last updated in NPPES May 7, 2024

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 872030 (NV) 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
872030	Other	NV	NEVADA APRN LICENSE
16143063	Other	NV	CAQH

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 is the NPI number for Adrian Rey Del Fierro?

The National Provider Identifier (NPI) for Adrian Rey Del Fierro is 1861257966, a Type 1 (individual) record in the CMS NPPES registry.

Where does Adrian Rey Del Fierro practice?

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

Other providers at this practice address

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Christos Galanopoulos Surgery Physician · Reno, NV NPI 1760474555 Athan Roumanas Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Reno, NV NPI 1477525376 Joseph Brandl Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Reno, NV NPI 1083687347 Cindy Powers Medical-Surgical Clinical Nurse Specialist · Reno, NV NPI 1700859071 Alison Hansen Family Nurse Practitioner · Reno, NV NPI 1992769210 Mitchell Strominger Neuro-ophthalmology Physician · Reno, NV NPI 1528026184 Michael Elliott Pediatric Orthopaedic Surgery Physician · Reno, NV NPI 1104845569 Carolyn Dennehey Rheumatology Physician · Reno, NV NPI 1255442919

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-07.