NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Louise A. Ross

Maternal Newborn Registered Nurse in Chico, CA · enumerated 2006.

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

National Provider Identifier

1801822390

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mrs. Louise A. Ross
Sex Female
Practice address 111 Raley Blvd, Chico, CA, 95928
Enumeration date Jun 25, 2006
Last updated in NPPES Jul 12, 2007

Taxonomy & licenses

163WM0102X Maternal Newborn Registered Nurse Nursing Service Providers · License 473374 (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 Louise Ross?
The National Provider Identifier (NPI) for Louise Ross is 1801822390, a Type 1 (individual) record in the CMS NPPES registry.
Where does Louise Ross practice?
The practice location on file with NPPES is in Chico, 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 2007-07-12.