NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Irvin Allan Marquez, RRT

Registered Respiratory Therapist in Fresno, CA · enumerated 2013.

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

National Provider Identifier

1417378324

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Registry record

Entity type Individual (Type 1)
Name Mr. Irvin Allan Marquez
Credential RRT
Sex Male
Practice address 7846 N Vista Ave, Fresno, CA, 93722
Fax (559) 277-2723
Enumeration date Dec 18, 2013
Last updated in NPPES Dec 28, 2013

Taxonomy & licenses

2279P1004X Pulmonary Diagnostics Registered Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 20304 (CA) Secondary
2279P1006X Pulmonary Function Technologist Registered Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 20304 (CA) Secondary
2279C0205X Critical Care Registered Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 20304 (CA) Secondary
2279G1100X General Care Registered Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 20304 (CA) Secondary
2279S1500X SNF/Subacute Care Registered Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 20304 (CA) Secondary
227800000X Certified Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 20304 (CA) Secondary
2279E0002X Emergency Care Registered Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 20304 (CA) Secondary
2279E1000X Educational Registered Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 20304 (CA) Secondary
2279G0305X Geriatric Care Registered Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 20304 (CA) Secondary
2279H0200X Home Health Registered Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 20304 (CA) Secondary
2279P3900X Neonatal/Pediatric Registered Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 20304 (CA) Secondary
227900000X Registered Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 20304 (CA) 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.

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Frequently asked questions

What is the NPI number for Irvin Allan Marquez?
The National Provider Identifier (NPI) for Irvin Allan Marquez is 1417378324, a Type 1 (individual) record in the CMS NPPES registry.
Where does Irvin Allan Marquez practice?
The practice location on file with NPPES is in Fresno, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-12-28.