NPI Portal NPI Lookup & Verification

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

Xiaotuan Zhao, MD

Gastroenterology Physician in Tyler, TX · enumerated 2005 · practices at Trinity Clinic Surgery.

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

National Provider Identifier

1285619205

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Registry record

Entity type Individual (Type 1)
Name Xiaotuan Zhao
Credential MD
Sex Male
Practice address Tyler, TX, 75702
Enumeration date Dec 13, 2005
Last updated in NPPES May 27, 2020

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

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License M2221 (TX) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
175894805 Medicaid TX -
901094 Other TX MEDICARE
175894801 Medicaid TX -
P02416492 Other TX MEDICARE RAIL ROAD

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 1285619205 active?
Yes, as of the latest NPPES snapshot, NPI 1285619205 is active (record last updated 2020-05-27).
How do I verify Xiaotuan Zhao's NPI record?
Cross-check NPI 1285619205 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 2020-05-27.