Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Hongnan Xu

Q: What is the NPI number for Hongnan Xu?

The National Provider Identifier (NPI) for Hongnan Xu is 1053140939, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Pathology Physician in Saint Louis, MO · enumerated 2024.

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

National Provider Identifier

1053140939

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Registry record

Entity type Individual (Type 1)

Name Hongnan Xu

Sex Female

Practice address 4590 Nash Way, Saint Louis, MO, 63110

Phone (314) 362-1935

Enumeration date Jul 30, 2024

Last updated in NPPES Jul 30, 2024

Taxonomy & licenses

207ZC0006X Clinical Pathology Physician Allopathic & Osteopathic Physicians · License 2024021850 (MO) 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 Hongnan Xu practice?

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

What is the NPI number for Hongnan Xu?

The National Provider Identifier (NPI) for Hongnan Xu is 1053140939, 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 2024-07-30.