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

Shirla Underwood, RVT/RDCS

Sonography Specialist/Technologist Cardiovascular in Liberty Lake, WA · enumerated 2016.

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

National Provider Identifier

1831641570

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Shirla Underwood

Credential RVT/RDCS

Sex Female

Practice address Liberty Lake, WA, 99019

Phone (509) 435-6363

Enumeration date Oct 28, 2016

Last updated in NPPES Oct 28, 2016

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

Taxonomy & licenses

246XS1301X Sonography Specialist/Technologist Cardiovascular Technologists, Technicians & Other Technical Service Providers · License 54153 (WA) 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 Shirla Underwood?

The National Provider Identifier (NPI) for Shirla Underwood is 1831641570, a Type 1 (individual) record in the CMS NPPES registry.

Where does Shirla Underwood practice?

The practice location on file with NPPES is in Liberty Lake, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-10-28.