Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christina Chou, MD

Gastroenterology Physician in San Francisco, CA · enumerated 2010.

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

National Provider Identifier

1164749628

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Registry record

Entity type Individual (Type 1)

Name Christina Chou

Credential MD

Sex Female

Practice address 1100 Van Ness Ave Fl 3, San Francisco, CA, 94109

Phone (415) 600-1000

Fax (415) 558-7051

Enumeration date Apr 23, 2010

Last updated in NPPES Mar 7, 2023

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 1000579 (CA) Primary

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

Other identifiers

Identifier	Type	State	Issuer
A121796	Other	CA	STATE LICENSE

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

How do I verify Christina Chou's NPI record?

Cross-check NPI 1164749628 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1164749628 active?

Yes, as of the latest NPPES snapshot, NPI 1164749628 is active (record last updated 2023-03-07).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-07.