Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Deanna Hsiang-Chien Liou

Q: What is the NPI number for Deanna Liou?

The National Provider Identifier (NPI) for Deanna Liou is 1235853045, a Type 1 (individual) record in the CMS NPPES registry.

Physician Assistant in Peoria, AZ · enumerated 2022 · practices at Pleasant Pediatrics Plc.

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

National Provider Identifier

1235853045

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Registry record

Entity type Individual (Type 1)

Name Deanna Hsiang-Chien Liou

Sex Female

Practice address 9059 W Lake Pleasant Pkwy Ste E540, Peoria, AZ, 85382

Phone (623) 322-3380

Fax (623) 322-4399

Enumeration date Sep 27, 2022

Last updated in NPPES Oct 5, 2022

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 9409 (AZ) 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

Where does Deanna Liou practice?

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

What is the NPI number for Deanna Liou?

The National Provider Identifier (NPI) for Deanna Liou is 1235853045, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-10-05.