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Cristina O'Rourke, PA-C

Physician Assistant in Fullerton, CA · enumerated 2020 · practices at Hina Sidhu, M.D., Inc..

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

National Provider Identifier

1578102810

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Registry record

Entity type Individual (Type 1)
Name Cristina O'Rourke
Credential PA-C
Sex Female
Practice address 1400 N Harbor Blvd Ste 540, Fullerton, CA, 92835
Phone (714) 602-1769
Enumeration date Jan 3, 2020
Last updated in NPPES Apr 19, 2023

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA57636 (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 Cristina O'Rourke?
The National Provider Identifier (NPI) for Cristina O'Rourke is 1578102810, a Type 1 (individual) record in the CMS NPPES registry.
Where does Cristina O'Rourke practice?
The practice location on file with NPPES is in Fullerton, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-04-19.