Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

Children'S Hospital of Orange County

Q: What is the NPI number for Children'S Hospital of Orange County?

The NPI for Children'S Hospital of Orange County is 1164882999, a Type 2 (organization) record in the CMS NPPES registry.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Orange, CA · enumerated 2016 · authorized official Mark Kelly, Director Revenue Cycle Support.

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

National Provider Identifier

1164882999

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Registry record

Entity type Organization (Type 2)

Legal business name Children'S Hospital of Orange County

Other name <Unavail>

Parent organization Children'S Hospital of Orange County

Practice address 1201 W La Veta Ave, Orange, CA, 92868

Phone (714) 509-8649

Fax (714) 509-8374

Enumeration date Mar 7, 2016

Last updated in NPPES Apr 6, 2016

Taxonomy & classification

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians Secondary

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Mark Kelly

Title Director Revenue Cycle Support

Phone (714) 509-7861

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

Who is the authorized official for Children'S Hospital of Orange County?

NPPES lists Mark Kelly (Director Revenue Cycle Support) as the authorized official for this organization.

What is the NPI number for Children'S Hospital of Orange County?

The NPI for Children'S Hospital of Orange County is 1164882999, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-04-06.