Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Claire Elizabeth Lancaster, MD

Orthopaedic Surgery Physician in San Antonio, TX · enumerated 2025.

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

National Provider Identifier

1861296642

Verified

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Registry record

Entity type Individual (Type 1)

Name Claire Elizabeth Lancaster

Credential MD

Sex Female

Practice address 4502 Medical Dr, San Antonio, TX, 78229

Phone (210) 358-4000

Enumeration date Apr 2, 2025

Last updated in NPPES Apr 2, 2025

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License BP10092188 (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
BP10092188	Other	TX	TEXAS MEDICAL BOARD

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

What is the NPI number for Claire Lancaster?

The National Provider Identifier (NPI) for Claire Lancaster is 1861296642, a Type 1 (individual) record in the CMS NPPES registry.

Where does Claire Lancaster practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-02.