Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Chance Conner, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Austin, TX · enumerated 2005 · practices at Cardiothoracic and Vascular Surgeons,PA.

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

National Provider Identifier

1801887864

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Registry record

Entity type Individual (Type 1)

Name William Chance Conner

Credential MD

Sex Male

Practice address 1010 W 40th St, Austin, TX, 78756

Phone (512) 459-8753

Fax (512) 651-8441

Enumeration date Oct 31, 2005

Last updated in NPPES Jun 10, 2024

Taxonomy & licenses

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License M2291 (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
336839101	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

What is the NPI number for William Conner?

The National Provider Identifier (NPI) for William Conner is 1801887864, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Conner practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-10.