Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christine Chen Chou, M.D.

Pediatrics Physician in Orange, CA · enumerated 2011.

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

National Provider Identifier

1164729539

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Registry record

Entity type Individual (Type 1)

Name Christine Chen Chou

Credential M.D.

Sex Female

Practice address 505 S Main St, Suite 525, Orange, CA, 92868

Phone (714) 456-5631

Fax (714) 285-0389

Enumeration date Feb 22, 2011

Last updated in NPPES Feb 16, 2018

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License A120753 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Christine Chou?

Christine Chou is registered in NPPES with the primary taxonomy of Pediatrics Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-02-16.