Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Raquel Victoria Loustau

Physician Assistant in Santa Barbara, CA · enumerated 2020.

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

National Provider Identifier

1639796493

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Registry record

Entity type Individual (Type 1)

Name Raquel Victoria Loustau

Sex Female

Practice address 2417 Castillo St, Santa Barbara, CA, 93105

Phone (805) 687-2424

Enumeration date Jun 28, 2020

Last updated in NPPES May 22, 2025

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1639796493 active?

Yes, as of the latest NPPES snapshot, NPI 1639796493 is active (record last updated 2025-05-22).

How do I verify Raquel Loustau's NPI record?

Cross-check NPI 1639796493 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Michael Maguire Orthopaedic Surgery Physician · Santa Barbara, CA NPI 1063404317 Kathleen Zisser Physical Medicine & Rehabilitation Physician · Santa Barbara, CA NPI 1881791473 Sean D Early M D A Medical Corporation Pediatric Orthopaedic Surgery Physician · Santa Barbara, CA NPI 1720259575 Michael Flynn Maguire MD Inc Orthopaedic Surgery Physician · Santa Barbara, CA NPI 1528226032 Nicole Miller Marriage & Family Therapist · Santa Barbara, CA NPI 1194969485 Emma Kroloff Physician Assistant · Santa Barbara, CA NPI 1063070175

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-22.