Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Elisabeth Anne Clayton, MD

Allergy & Immunology (Internal Medicine) Physician in Austin, TX · enumerated 2012.

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

National Provider Identifier

1538435532

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Registry record

Entity type Individual (Type 1)

Name Dr. Elisabeth Anne Clayton

Credential MD

Sex Female

Practice address 6811 Austin Center Blvd Ste 300, Austin, TX, 78731

Phone (512) 346-8888

Enumeration date Mar 24, 2012

Last updated in NPPES May 20, 2021

Taxonomy & licenses

207RA0201X Allergy & Immunology (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License DR.0058224 (CO) Secondary

207RA0201X Allergy & Immunology (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License R9929 (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
400280001	Medicaid	TX	-
400280002	Medicaid	TX	-

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.

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Frequently asked questions

How do I verify Elisabeth Clayton's NPI record?

Cross-check NPI 1538435532 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1538435532 active?

Yes, as of the latest NPPES snapshot, NPI 1538435532 is active (record last updated 2021-05-20).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-20.