Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Usc Caruso Department, Otolaryngology-Head and Neck Surgery

Otolaryngology Physician in Los Angeles, CA · enumerated 2015 · authorized official Caitlin Bertelsen, Resident Physician.

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

National Provider Identifier

1235501636

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Registry record

Entity type Organization (Type 2)

Legal business name Usc Caruso Department, Otolaryngology-Head and Neck Surgery

Practice address 1983 Marengo St, Los Angeles, CA, 90033

Phone (323) 409-5070

Enumeration date Oct 24, 2015

Last updated in NPPES Oct 24, 2015

Taxonomy & classification

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License A138856 (CA) Primary

Authorized official

Name Caitlin Bertelsen

Title Resident Physician

Phone (323) 226-7315

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 Usc Caruso Department, Otolaryngology-Head and Neck Surgery?

The NPI for Usc Caruso Department, Otolaryngology-Head and Neck Surgery is 1235501636, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Usc Caruso Department, Otolaryngology-Head and Neck Surgery?

NPPES lists Caitlin Bertelsen (Resident Physician) as the authorized official for this organization.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-10-24.