Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Aiying Angie Xiao, MD

Psychiatry Physician in Festus, MO · enumerated 2010.

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

National Provider Identifier

1316259385

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Registry record

Entity type Individual (Type 1)

Name Aiying Angie Xiao

Credential MD

Sex Female

Practice address 1400 Us Highway 61, Suite H1341, Festus, MO, 63028

Phone (636) 543-2230

Fax (636) 543-2231

Enumeration date Jul 7, 2010

Last updated in NPPES Dec 17, 2021

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License LL32580 (SC) Secondary

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 2014034920 (MO) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

Is NPI 1316259385 active?

Yes, as of the latest NPPES snapshot, NPI 1316259385 is active (record last updated 2021-12-17).

How do I verify Aiying Xiao's NPI record?

Cross-check NPI 1316259385 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-17.