Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Timo T Ou

Q: What is the NPI number for Timo Ou?

The National Provider Identifier (NPI) for Timo Ou is 1811469984, a Type 1 (individual) record in the CMS NPPES registry.

Certified Registered Nurse Anesthetist in Harbor City, CA · enumerated 2018.

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

National Provider Identifier

1811469984

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Timo T Ou

Sex Male

Practice address Harbor City, CA, 90710

Phone (310) 325-5111

Enumeration date Dec 29, 2018

Last updated in NPPES Dec 2, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 95001017 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Timo Ou?

The National Provider Identifier (NPI) for Timo Ou is 1811469984, a Type 1 (individual) record in the CMS NPPES registry.

Where does Timo Ou practice?

The practice location on file with NPPES is in Harbor City, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-02.